diff --git a/Documentation/git-repo.adoc b/Documentation/git-repo.adoc
index 70f0a6d2e472917e160cacedc5a013cc603d0599..861073f641e0a3f11d1ae3c1a2f1fa1838c9f906 100644
--- a/Documentation/git-repo.adoc
+++ b/Documentation/git-repo.adoc
@@ -50,6 +50,8 @@ supported:
 +
 * Reference counts categorized by type
 * Reachable object counts categorized by type
+* Total inflated size of reachable objects by type
+* Total disk size of reachable objects by type
 
 +
 The output format can be chosen through the flag `--format`. Three formats are
diff --git a/builtin/repo.c b/builtin/repo.c
index 2a653bd3eacf20969c30e0f7644d25a473d3d1d2..a071d2fdfe39720a81ca21e204105136cee83355 100644
--- a/builtin/repo.c
+++ b/builtin/repo.c
@@ -2,6 +2,8 @@
 
 #include "builtin.h"
 #include "environment.h"
+#include "hex.h"
+#include "odb.h"
 #include "parse-options.h"
 #include "path-walk.h"
 #include "progress.h"
@@ -202,13 +204,19 @@ struct ref_stats {
 	size_t others;
 };
 
-struct object_stats {
+struct object_values {
 	size_t tags;
 	size_t commits;
 	size_t trees;
 	size_t blobs;
 };
 
+struct object_stats {
+	struct object_values type_counts;
+	struct object_values inflated_sizes;
+	struct object_values disk_sizes;
+};
+
 struct repo_structure {
 	struct ref_stats refs;
 	struct object_stats objects;
@@ -219,6 +227,7 @@ struct stats_table {
 
 	int name_col_width;
 	int value_col_width;
+	int unit_col_width;
 };
 
 /*
@@ -226,6 +235,7 @@ struct stats_table {
  */
 struct stats_table_entry {
 	char *value;
+	const char *unit;
 };
 
 static void stats_table_vaddf(struct stats_table *table,
@@ -246,11 +256,18 @@ static void stats_table_vaddf(struct stats_table *table,
 
 	if (name_width > table->name_col_width)
 		table->name_col_width = name_width;
-	if (entry) {
+	if (!entry)
+		return;
+	if (entry->value) {
 		int value_width = utf8_strwidth(entry->value);
 		if (value_width > table->value_col_width)
 			table->value_col_width = value_width;
 	}
+	if (entry->unit) {
+		int unit_width = utf8_strwidth(entry->unit);
+		if (unit_width > table->unit_col_width)
+			table->unit_col_width = unit_width;
+	}
 }
 
 static void stats_table_addf(struct stats_table *table, const char *format, ...)
@@ -269,7 +286,21 @@ static void stats_table_count_addf(struct stats_table *table, size_t value,
 	va_list ap;
 
 	CALLOC_ARRAY(entry, 1);
-	entry->value = xstrfmt("%" PRIuMAX, (uintmax_t)value);
+	humanise_count(value, &entry->value, &entry->unit);
+
+	va_start(ap, format);
+	stats_table_vaddf(table, entry, format, ap);
+	va_end(ap);
+}
+
+static void stats_table_size_addf(struct stats_table *table, size_t value,
+				  const char *format, ...)
+{
+	struct stats_table_entry *entry;
+	va_list ap;
+
+	CALLOC_ARRAY(entry, 1);
+	humanise_bytes(value, &entry->value, &entry->unit, HUMANISE_COMPACT);
 
 	va_start(ap, format);
 	stats_table_vaddf(table, entry, format, ap);
@@ -281,9 +312,9 @@ static inline size_t get_total_reference_count(struct ref_stats *stats)
 	return stats->branches + stats->remotes + stats->tags + stats->others;
 }
 
-static inline size_t get_total_object_count(struct object_stats *stats)
+static inline size_t get_total_object_values(struct object_values *values)
 {
-	return stats->tags + stats->commits + stats->trees + stats->blobs;
+	return values->tags + values->commits + values->trees + values->blobs;
 }
 
 static void stats_table_setup_structure(struct stats_table *table,
@@ -291,7 +322,9 @@ static void stats_table_setup_structure(struct stats_table *table,
 {
 	struct object_stats *objects = &stats->objects;
 	struct ref_stats *refs = &stats->refs;
-	size_t object_total;
+	size_t inflated_object_total;
+	size_t object_count_total;
+	size_t disk_object_total;
 	size_t ref_total;
 
 	ref_total = get_total_reference_count(refs);
@@ -302,34 +335,66 @@ static void stats_table_setup_structure(struct stats_table *table,
 	stats_table_count_addf(table, refs->remotes, "    * %s", _("Remotes"));
 	stats_table_count_addf(table, refs->others, "    * %s", _("Others"));
 
-	object_total = get_total_object_count(objects);
+	object_count_total = get_total_object_values(&objects->type_counts);
 	stats_table_addf(table, "");
 	stats_table_addf(table, "* %s", _("Reachable objects"));
-	stats_table_count_addf(table, object_total, "  * %s", _("Count"));
-	stats_table_count_addf(table, objects->commits, "    * %s", _("Commits"));
-	stats_table_count_addf(table, objects->trees, "    * %s", _("Trees"));
-	stats_table_count_addf(table, objects->blobs, "    * %s", _("Blobs"));
-	stats_table_count_addf(table, objects->tags, "    * %s", _("Tags"));
+	stats_table_count_addf(table, object_count_total, "  * %s", _("Count"));
+	stats_table_count_addf(table, objects->type_counts.commits,
+			       "    * %s", _("Commits"));
+	stats_table_count_addf(table, objects->type_counts.trees,
+			       "    * %s", _("Trees"));
+	stats_table_count_addf(table, objects->type_counts.blobs,
+			       "    * %s", _("Blobs"));
+	stats_table_count_addf(table, objects->type_counts.tags,
+			       "    * %s", _("Tags"));
+
+	inflated_object_total = get_total_object_values(&objects->inflated_sizes);
+	stats_table_size_addf(table, inflated_object_total,
+			      "  * %s", _("Inflated size"));
+	stats_table_size_addf(table, objects->inflated_sizes.commits,
+			      "    * %s", _("Commits"));
+	stats_table_size_addf(table, objects->inflated_sizes.trees,
+			      "    * %s", _("Trees"));
+	stats_table_size_addf(table, objects->inflated_sizes.blobs,
+			      "    * %s", _("Blobs"));
+	stats_table_size_addf(table, objects->inflated_sizes.tags,
+			      "    * %s", _("Tags"));
+
+	disk_object_total = get_total_object_values(&objects->disk_sizes);
+	stats_table_size_addf(table, disk_object_total,
+			      "  * %s", _("Disk size"));
+	stats_table_size_addf(table, objects->disk_sizes.commits,
+			      "    * %s", _("Commits"));
+	stats_table_size_addf(table, objects->disk_sizes.trees,
+			      "    * %s", _("Trees"));
+	stats_table_size_addf(table, objects->disk_sizes.blobs,
+			      "    * %s", _("Blobs"));
+	stats_table_size_addf(table, objects->disk_sizes.tags,
+			      "    * %s", _("Tags"));
 }
 
 static void stats_table_print_structure(const struct stats_table *table)
 {
 	const char *name_col_title = _("Repository structure");
 	const char *value_col_title = _("Value");
-	int name_col_width = utf8_strwidth(name_col_title);
-	int value_col_width = utf8_strwidth(value_col_title);
+	int title_name_width = utf8_strwidth(name_col_title);
+	int title_value_width = utf8_strwidth(value_col_title);
+	int name_col_width = table->name_col_width;
+	int value_col_width = table->value_col_width;
+	int unit_col_width = table->unit_col_width;
 	struct string_list_item *item;
 	struct strbuf buf = STRBUF_INIT;
 
-	if (table->name_col_width > name_col_width)
-		name_col_width = table->name_col_width;
-	if (table->value_col_width > value_col_width)
-		value_col_width = table->value_col_width;
+	if (title_name_width > name_col_width)
+		name_col_width = title_name_width;
+	if (title_value_width > value_col_width + unit_col_width + 1)
+		value_col_width = title_value_width - unit_col_width;
 
 	strbuf_addstr(&buf, "| ");
 	strbuf_utf8_align(&buf, ALIGN_LEFT, name_col_width, name_col_title);
 	strbuf_addstr(&buf, " | ");
-	strbuf_utf8_align(&buf, ALIGN_LEFT, value_col_width, value_col_title);
+	strbuf_utf8_align(&buf, ALIGN_LEFT,
+			  value_col_width + unit_col_width + 1, value_col_title);
 	strbuf_addstr(&buf, " |");
 	printf("%s\n", buf.buf);
 
@@ -337,17 +402,20 @@ static void stats_table_print_structure(const struct stats_table *table)
 	for (int i = 0; i < name_col_width; i++)
 		putchar('-');
 	printf(" | ");
-	for (int i = 0; i < value_col_width; i++)
+	for (int i = 0; i < value_col_width + unit_col_width + 1; i++)
 		putchar('-');
 	printf(" |\n");
 
 	for_each_string_list_item(item, &table->rows) {
 		struct stats_table_entry *entry = item->util;
 		const char *value = "";
+		const char *unit = "";
 
 		if (entry) {
 			struct stats_table_entry *entry = item->util;
 			value = entry->value;
+			if (entry->unit)
+				unit = entry->unit;
 		}
 
 		strbuf_reset(&buf);
@@ -355,6 +423,8 @@ static void stats_table_print_structure(const struct stats_table *table)
 		strbuf_utf8_align(&buf, ALIGN_LEFT, name_col_width, item->string);
 		strbuf_addstr(&buf, " | ");
 		strbuf_utf8_align(&buf, ALIGN_RIGHT, value_col_width, value);
+		strbuf_addch(&buf, ' ');
+		strbuf_utf8_align(&buf, ALIGN_LEFT, unit_col_width, unit);
 		strbuf_addstr(&buf, " |");
 		printf("%s\n", buf.buf);
 	}
@@ -389,13 +459,31 @@ static void structure_keyvalue_print(struct repo_structure *stats,
 	       (uintmax_t)stats->refs.others, value_delim);
 
 	printf("objects.commits.count%c%" PRIuMAX "%c", key_delim,
-	       (uintmax_t)stats->objects.commits, value_delim);
+	       (uintmax_t)stats->objects.type_counts.commits, value_delim);
 	printf("objects.trees.count%c%" PRIuMAX "%c", key_delim,
-	       (uintmax_t)stats->objects.trees, value_delim);
+	       (uintmax_t)stats->objects.type_counts.trees, value_delim);
 	printf("objects.blobs.count%c%" PRIuMAX "%c", key_delim,
-	       (uintmax_t)stats->objects.blobs, value_delim);
+	       (uintmax_t)stats->objects.type_counts.blobs, value_delim);
 	printf("objects.tags.count%c%" PRIuMAX "%c", key_delim,
-	       (uintmax_t)stats->objects.tags, value_delim);
+	       (uintmax_t)stats->objects.type_counts.tags, value_delim);
+
+	printf("objects.commits.inflated_size%c%" PRIuMAX "%c", key_delim,
+	       (uintmax_t)stats->objects.inflated_sizes.commits, value_delim);
+	printf("objects.trees.inflated_size%c%" PRIuMAX "%c", key_delim,
+	       (uintmax_t)stats->objects.inflated_sizes.trees, value_delim);
+	printf("objects.blobs.inflated_size%c%" PRIuMAX "%c", key_delim,
+	       (uintmax_t)stats->objects.inflated_sizes.blobs, value_delim);
+	printf("objects.tags.inflated_size%c%" PRIuMAX "%c", key_delim,
+	       (uintmax_t)stats->objects.inflated_sizes.tags, value_delim);
+
+	printf("objects.commits.disk_size%c%" PRIuMAX "%c", key_delim,
+	       (uintmax_t)stats->objects.disk_sizes.commits, value_delim);
+	printf("objects.trees.disk_size%c%" PRIuMAX "%c", key_delim,
+	       (uintmax_t)stats->objects.disk_sizes.trees, value_delim);
+	printf("objects.blobs.disk_size%c%" PRIuMAX "%c", key_delim,
+	       (uintmax_t)stats->objects.disk_sizes.blobs, value_delim);
+	printf("objects.tags.disk_size%c%" PRIuMAX "%c", key_delim,
+	       (uintmax_t)stats->objects.disk_sizes.tags, value_delim);
 
 	fflush(stdout);
 }
@@ -460,6 +548,7 @@ static void structure_count_references(struct ref_stats *stats,
 }
 
 struct count_objects_data {
+	struct object_database *odb;
 	struct object_stats *stats;
 	struct progress *progress;
 };
@@ -469,26 +558,53 @@ static int count_objects(const char *path UNUSED, struct oid_array *oids,
 {
 	struct count_objects_data *data = cb_data;
 	struct object_stats *stats = data->stats;
+	size_t inflated_total = 0;
+	size_t disk_total = 0;
 	size_t object_count;
 
+	for (size_t i = 0; i < oids->nr; i++) {
+		struct object_info oi = OBJECT_INFO_INIT;
+		unsigned long inflated;
+		off_t disk;
+
+		oi.sizep = &inflated;
+		oi.disk_sizep = &disk;
+
+		if (odb_read_object_info_extended(data->odb, &oids->oid[i], &oi,
+						  OBJECT_INFO_SKIP_FETCH_OBJECT |
+							  OBJECT_INFO_QUICK) < 0)
+			continue;
+
+		inflated_total += inflated;
+		disk_total += disk;
+	}
+
 	switch (type) {
 	case OBJ_TAG:
-		stats->tags += oids->nr;
+		stats->type_counts.tags += oids->nr;
+		stats->inflated_sizes.tags += inflated_total;
+		stats->disk_sizes.tags += disk_total;
 		break;
 	case OBJ_COMMIT:
-		stats->commits += oids->nr;
+		stats->type_counts.commits += oids->nr;
+		stats->inflated_sizes.commits += inflated_total;
+		stats->disk_sizes.commits += disk_total;
 		break;
 	case OBJ_TREE:
-		stats->trees += oids->nr;
+		stats->type_counts.trees += oids->nr;
+		stats->inflated_sizes.trees += inflated_total;
+		stats->disk_sizes.trees += disk_total;
 		break;
 	case OBJ_BLOB:
-		stats->blobs += oids->nr;
+		stats->type_counts.blobs += oids->nr;
+		stats->inflated_sizes.blobs += inflated_total;
+		stats->disk_sizes.blobs += disk_total;
 		break;
 	default:
 		BUG("invalid object type");
 	}
 
-	object_count = get_total_object_count(stats);
+	object_count = get_total_object_values(&stats->type_counts);
 	display_progress(data->progress, object_count);
 
 	return 0;
@@ -500,6 +616,7 @@ static void structure_count_objects(struct object_stats *stats,
 {
 	struct path_walk_info info = PATH_WALK_INFO_INIT;
 	struct count_objects_data data = {
+		.odb = repo->objects,
 		.stats = stats,
 	};
 
diff --git a/strbuf.c b/strbuf.c
index 6c3851a7f84d72ebf5719723dc7f0ac9cf60edf3..512c7ba6807a671e2e466362e61c52f9ae0fa3db 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -836,47 +836,83 @@ void strbuf_addstr_urlencode(struct strbuf *sb, const char *s,
 	strbuf_add_urlencode(sb, s, strlen(s), allow_unencoded_fn);
 }
 
-static void strbuf_humanise(struct strbuf *buf, off_t bytes,
-				 int humanise_rate)
+void humanise_count(size_t count, char **value, const char **unit)
+{
+	if (count >= 1000000000) {
+		size_t x = count + 5000000; /* for rounding */
+		*value = xstrfmt(_("%u.%2.2u"), (unsigned)(x / 1000000000),
+				 (unsigned)(x % 1000000000 / 10000000));
+		/* TRANSLATORS: SI decimal prefix symbol for 10^9 */
+		*unit = _("G");
+	} else if (count >= 1000000) {
+		size_t x = count + 5000; /* for rounding */
+		*value = xstrfmt(_("%u.%2.2u"), (unsigned)(x / 1000000),
+				 (unsigned)(x % 1000000 / 10000));
+		/* TRANSLATORS: SI decimal prefix symbol for 10^6 */
+		*unit = _("M");
+	} else if (count >= 1000) {
+		size_t x = count + 5; /* for rounding */
+		*value = xstrfmt(_("%u.%2.2u"), (unsigned)(x / 1000),
+				 (unsigned)(x % 1000 / 10));
+		/* TRANSLATORS: SI decimal prefix symbol for 10^3 */
+		*unit = _("k");
+	} else {
+		*value = xstrfmt("%u", (unsigned)count);
+		*unit = NULL;
+	}
+}
+
+void humanise_bytes(off_t bytes, char **value, const char **unit,
+		    unsigned flags)
 {
+	int humanise_rate = flags & HUMANISE_RATE;
+
 	if (bytes > 1 << 30) {
-		strbuf_addf(buf,
-				humanise_rate == 0 ?
-					/* TRANSLATORS: IEC 80000-13:2008 gibibyte */
-					_("%u.%2.2u GiB") :
-					/* TRANSLATORS: IEC 80000-13:2008 gibibyte/second */
-					_("%u.%2.2u GiB/s"),
-			    (unsigned)(bytes >> 30),
-			    (unsigned)(bytes & ((1 << 30) - 1)) / 10737419);
+		*value = xstrfmt(_("%u.%2.2u"), (unsigned)(bytes >> 30),
+				 (unsigned)(bytes & ((1 << 30) - 1)) / 10737419);
+		/* TRANSLATORS: IEC 80000-13:2008 gibibyte/second and gibibyte */
+		*unit = humanise_rate ? _("GiB/s") : _("GiB");
 	} else if (bytes > 1 << 20) {
-		unsigned x = bytes + 5243;  /* for rounding */
-		strbuf_addf(buf,
-				humanise_rate == 0 ?
-					/* TRANSLATORS: IEC 80000-13:2008 mebibyte */
-					_("%u.%2.2u MiB") :
-					/* TRANSLATORS: IEC 80000-13:2008 mebibyte/second */
-					_("%u.%2.2u MiB/s"),
-			    x >> 20, ((x & ((1 << 20) - 1)) * 100) >> 20);
+		unsigned x = bytes + 5243; /* for rounding */
+		*value = xstrfmt(_("%u.%2.2u"), x >> 20,
+				 ((x & ((1 << 20) - 1)) * 100) >> 20);
+		/* TRANSLATORS: IEC 80000-13:2008 mebibyte/second and mebibyte */
+		*unit = humanise_rate ? _("MiB/s") : _("MiB");
 	} else if (bytes > 1 << 10) {
-		unsigned x = bytes + 5;  /* for rounding */
-		strbuf_addf(buf,
-				humanise_rate == 0 ?
-					/* TRANSLATORS: IEC 80000-13:2008 kibibyte */
-					_("%u.%2.2u KiB") :
-					/* TRANSLATORS: IEC 80000-13:2008 kibibyte/second */
-					_("%u.%2.2u KiB/s"),
-			    x >> 10, ((x & ((1 << 10) - 1)) * 100) >> 10);
+		unsigned x = bytes + 5; /* for rounding */
+		*value = xstrfmt(_("%u.%2.2u"), x >> 10,
+				 ((x & ((1 << 10) - 1)) * 100) >> 10);
+		/* TRANSLATORS: IEC 80000-13:2008 kibibyte/second and kibibyte */
+		*unit = humanise_rate ? _("KiB/s") : _("KiB");
 	} else {
-		strbuf_addf(buf,
-				humanise_rate == 0 ?
-					/* TRANSLATORS: IEC 80000-13:2008 byte */
-					Q_("%u byte", "%u bytes", bytes) :
+		*value = xstrfmt("%u", (unsigned)bytes);
+		if (flags & HUMANISE_COMPACT)
+			/* TRANSLATORS: IEC 80000-13:2008 byte/second and byte */
+			*unit = humanise_rate ? _("B/s") : _("B");
+		else
+			*unit = humanise_rate ?
 					/* TRANSLATORS: IEC 80000-13:2008 byte/second */
-					Q_("%u byte/s", "%u bytes/s", bytes),
-				(unsigned)bytes);
+					Q_("byte/s", "bytes/s", bytes) :
+					/* TRANSLATORS: IEC 80000-13:2008 byte */
+					Q_("byte", "bytes", bytes);
 	}
 }
 
+static void strbuf_humanise(struct strbuf *buf, off_t bytes, unsigned flags)
+{
+	char *value;
+	const char *unit;
+
+	humanise_bytes(bytes, &value, &unit, flags);
+
+	/*
+	 * TRANSLATORS: The first argument is the number string. The second
+	 * argument is the unit prefix string (i.e. "12.34 MiB/s").
+	 */
+	strbuf_addf(buf, _("%s %s"), value, unit);
+	free(value);
+}
+
 void strbuf_humanise_bytes(struct strbuf *buf, off_t bytes)
 {
 	strbuf_humanise(buf, bytes, 0);
@@ -884,7 +920,7 @@ void strbuf_humanise_bytes(struct strbuf *buf, off_t bytes)
 
 void strbuf_humanise_rate(struct strbuf *buf, off_t bytes)
 {
-	strbuf_humanise(buf, bytes, 1);
+	strbuf_humanise(buf, bytes, HUMANISE_RATE);
 }
 
 int printf_ln(const char *fmt, ...)
diff --git a/strbuf.h b/strbuf.h
index a580ac6084b7f105614815c790ba23dd3a8ff49a..005c1558082c21d4fe52d9017d53decd4a711624 100644
--- a/strbuf.h
+++ b/strbuf.h
@@ -367,6 +367,31 @@ void strbuf_addbuf_percentquote(struct strbuf *dst, const struct strbuf *src);
  */
 void strbuf_add_percentencode(struct strbuf *dst, const char *src, int flags);
 
+enum humanise_flags {
+	/*
+	 * Use rate based unit prefixes for humanised values.
+	 */
+	HUMANISE_RATE = (1 << 0),
+	/*
+	 * Use compact "B" unit prefixes instead of "byte/bytes" for humanised
+	 * values.
+	 */
+	HUMANISE_COMPACT = (1 << 1),
+};
+
+/**
+ * Converts the given byte size into a downscaled human-readable value and
+ * corresponding unit prefix as two separate strings.
+ */
+void humanise_bytes(off_t bytes, char **value, const char **unit,
+		    unsigned flags);
+
+/**
+ * Converts the given count into a downscaled human-readable value and
+ * corresponding unit prefix as two separate strings.
+ */
+void humanise_count(size_t count, char **value, const char **unit);
+
 /**
  * Append the given byte size as a human-readable string (i.e. 12.23 KiB,
  * 3.50 MiB).
diff --git a/t/helper/test-simple-ipc.c b/t/helper/test-simple-ipc.c
index 03cc5eea2c2944677548151446786f30db782332..442ad6b16f18d89012fdcd0e6f320747a91fe3cc 100644
--- a/t/helper/test-simple-ipc.c
+++ b/t/helper/test-simple-ipc.c
@@ -603,7 +603,12 @@ int cmd__simple_ipc(int argc, const char **argv)
 		OPT_INTEGER(0, "bytecount", &cl_args.bytecount, N_("number of bytes")),
 		OPT_INTEGER(0, "batchsize", &cl_args.batchsize, N_("number of requests per thread")),
 
-		OPT_STRING(0, "byte", &bytevalue, N_("byte"), N_("ballast character")),
+		/*
+		 * The "byte" string here is not marked for translation and
+		 * instead relies on translation in strbuf.c:humanise_bytes() to
+		 * avoid conflict with the plural form.
+		 */
+		OPT_STRING(0, "byte", &bytevalue, "byte", N_("ballast character")),
 		OPT_STRING(0, "token", &cl_args.token, N_("token"), N_("command token to send to the server")),
 
 		OPT_END()
diff --git a/t/t1901-repo-structure.sh b/t/t1901-repo-structure.sh
index 36a71a144e3f747a68b9afa11a08e305915c5437..1b68525079fef08c51516df26fe41abf7b1608f9 100755
--- a/t/t1901-repo-structure.sh
+++ b/t/t1901-repo-structure.sh
@@ -4,27 +4,54 @@ test_description='test git repo structure'
 
 . ./test-lib.sh
 
+object_type_disk_usage() {
+	disk_usage_opt="--disk-usage"
+
+	if test "$2" = "true"
+	then
+		disk_usage_opt="--disk-usage=human"
+	fi
+
+	if test "$1" = "all"
+	then
+		git rev-list --all --objects $disk_usage_opt
+	else
+		git rev-list --all --objects $disk_usage_opt \
+			--filter=object:type=$1 --filter-provided-objects
+	fi
+}
+
 test_expect_success 'empty repository' '
 	test_when_finished "rm -rf repo" &&
 	git init repo &&
 	(
 		cd repo &&
 		cat >expect <<-\EOF &&
-		| Repository structure | Value |
-		| -------------------- | ----- |
-		| * References         |       |
-		|   * Count            |     0 |
-		|     * Branches       |     0 |
-		|     * Tags           |     0 |
-		|     * Remotes        |     0 |
-		|     * Others         |     0 |
-		|                      |       |
-		| * Reachable objects  |       |
-		|   * Count            |     0 |
-		|     * Commits        |     0 |
-		|     * Trees          |     0 |
-		|     * Blobs          |     0 |
-		|     * Tags           |     0 |
+		| Repository structure | Value  |
+		| -------------------- | ------ |
+		| * References         |        |
+		|   * Count            |    0   |
+		|     * Branches       |    0   |
+		|     * Tags           |    0   |
+		|     * Remotes        |    0   |
+		|     * Others         |    0   |
+		|                      |        |
+		| * Reachable objects  |        |
+		|   * Count            |    0   |
+		|     * Commits        |    0   |
+		|     * Trees          |    0   |
+		|     * Blobs          |    0   |
+		|     * Tags           |    0   |
+		|   * Inflated size    |    0 B |
+		|     * Commits        |    0 B |
+		|     * Trees          |    0 B |
+		|     * Blobs          |    0 B |
+		|     * Tags           |    0 B |
+		|   * Disk size        |    0 B |
+		|     * Commits        |    0 B |
+		|     * Trees          |    0 B |
+		|     * Blobs          |    0 B |
+		|     * Tags           |    0 B |
 		EOF
 
 		git repo structure >out 2>err &&
@@ -34,12 +61,12 @@ test_expect_success 'empty repository' '
 	)
 '
 
-test_expect_success 'repository with references and objects' '
+test_expect_success SHA1 'repository with references and objects' '
 	test_when_finished "rm -rf repo" &&
 	git init repo &&
 	(
 		cd repo &&
-		test_commit_bulk 42 &&
+		test_commit_bulk 1005 &&
 		git tag -a foo -m bar &&
 
 		oid="$(git rev-parse HEAD)" &&
@@ -48,22 +75,35 @@ test_expect_success 'repository with references and objects' '
 		# Also creates a commit, tree, and blob.
 		git notes add -m foo &&
 
-		cat >expect <<-\EOF &&
-		| Repository structure | Value |
-		| -------------------- | ----- |
-		| * References         |       |
-		|   * Count            |     4 |
-		|     * Branches       |     1 |
-		|     * Tags           |     1 |
-		|     * Remotes        |     1 |
-		|     * Others         |     1 |
-		|                      |       |
-		| * Reachable objects  |       |
-		|   * Count            |   130 |
-		|     * Commits        |    43 |
-		|     * Trees          |    43 |
-		|     * Blobs          |    43 |
-		|     * Tags           |     1 |
+		# The tags disk size is handled specially due to the
+		# git-rev-list(1) --disk-usage=human option printing the full
+		# "byte/bytes" unit prefix instead of just "B".
+		cat >expect <<-EOF &&
+		| Repository structure | Value      |
+		| -------------------- | ---------- |
+		| * References         |            |
+		|   * Count            |      4     |
+		|     * Branches       |      1     |
+		|     * Tags           |      1     |
+		|     * Remotes        |      1     |
+		|     * Others         |      1     |
+		|                      |            |
+		| * Reachable objects  |            |
+		|   * Count            |   3.02 k   |
+		|     * Commits        |   1.01 k   |
+		|     * Trees          |   1.01 k   |
+		|     * Blobs          |   1.01 k   |
+		|     * Tags           |      1     |
+		|   * Inflated size    |  16.03 MiB |
+		|     * Commits        | 217.92 KiB |
+		|     * Trees          |  15.81 MiB |
+		|     * Blobs          |  11.68 KiB |
+		|     * Tags           |    132 B   |
+		|   * Disk size        | $(object_type_disk_usage all true) |
+		|     * Commits        | $(object_type_disk_usage commit true) |
+		|     * Trees          | $(object_type_disk_usage tree true) |
+		|     * Blobs          |  $(object_type_disk_usage blob true) |
+		|     * Tags           |    $(object_type_disk_usage tag) B   |
 		EOF
 
 		git repo structure >out 2>err &&
@@ -73,7 +113,7 @@ test_expect_success 'repository with references and objects' '
 	)
 '
 
-test_expect_success 'keyvalue and nul format' '
+test_expect_success SHA1 'keyvalue and nul format' '
 	test_when_finished "rm -rf repo" &&
 	git init repo &&
 	(
@@ -81,7 +121,7 @@ test_expect_success 'keyvalue and nul format' '
 		test_commit_bulk 42 &&
 		git tag -a foo -m bar &&
 
-		cat >expect <<-\EOF &&
+		cat >expect <<-EOF &&
 		references.branches.count=1
 		references.tags.count=1
 		references.remotes.count=0
@@ -90,6 +130,14 @@ test_expect_success 'keyvalue and nul format' '
 		objects.trees.count=42
 		objects.blobs.count=42
 		objects.tags.count=1
+		objects.commits.inflated_size=9225
+		objects.trees.inflated_size=28554
+		objects.blobs.inflated_size=453
+		objects.tags.inflated_size=132
+		objects.commits.disk_size=$(object_type_disk_usage commit)
+		objects.trees.disk_size=$(object_type_disk_usage tree)
+		objects.blobs.disk_size=$(object_type_disk_usage blob)
+		objects.tags.disk_size=$(object_type_disk_usage tag)
 		EOF
 
 		git repo structure --format=keyvalue >out 2>err &&