diff --git a/include/spdk/bdev_zone.h b/include/spdk/bdev_zone.h
index cbfef5bba6d..a67945ebfd7 100644
--- a/include/spdk/bdev_zone.h
+++ b/include/spdk/bdev_zone.h
@@ -84,6 +84,14 @@ struct spdk_bdev_zone_info {
  */
 uint64_t spdk_bdev_get_zone_size(const struct spdk_bdev *bdev);
 
+/**
+ * Get the number of zones for the given device.
+ *
+ * \param bdev Block device to query.
+ * \return The number of zones.
+ */
+uint64_t spdk_bdev_get_num_zones(const struct spdk_bdev *bdev);
+
 /**
  * Get device maximum zone append data transfer size in logical blocks.
  *
diff --git a/lib/bdev/bdev_zone.c b/lib/bdev/bdev_zone.c
index fa41f979c82..676cb2af5da 100644
--- a/lib/bdev/bdev_zone.c
+++ b/lib/bdev/bdev_zone.c
@@ -44,6 +44,12 @@ spdk_bdev_get_zone_size(const struct spdk_bdev *bdev)
 	return bdev->zone_size;
 }
 
+uint64_t
+spdk_bdev_get_num_zones(const struct spdk_bdev *bdev)
+{
+	return bdev->zone_size ? bdev->blockcnt / bdev->zone_size : 0;
+}
+
 uint32_t
 spdk_bdev_get_max_zone_append_size(const struct spdk_bdev *bdev)
 {
diff --git a/lib/bdev/spdk_bdev.map b/lib/bdev/spdk_bdev.map
index 7f3e648bc3c..aec215d589f 100644
--- a/lib/bdev/spdk_bdev.map
+++ b/lib/bdev/spdk_bdev.map
@@ -143,6 +143,7 @@
 
 	# Public functions in bdev_zone.h
 	spdk_bdev_get_zone_size;
+	spdk_bdev_get_num_zones;
 	spdk_bdev_get_max_zone_append_size;
 	spdk_bdev_get_max_open_zones;
 	spdk_bdev_get_max_active_zones;
diff --git a/test/unit/lib/bdev/bdev_zone.c/bdev_zone_ut.c b/test/unit/lib/bdev/bdev_zone.c/bdev_zone_ut.c
index a5c053ca6bd..01ed5054509 100644
--- a/test/unit/lib/bdev/bdev_zone.c/bdev_zone_ut.c
+++ b/test/unit/lib/bdev/bdev_zone.c/bdev_zone_ut.c
@@ -254,6 +254,19 @@ test_get_zone_size(void)
 	CU_ASSERT(get_zone_size == 1024 * 4096);
 }
 
+static void
+test_get_num_zones(void)
+{
+	struct spdk_bdev bdev = {};
+	uint64_t get_num_zones;
+
+	bdev.blockcnt = 1024 * 1024 * 1024;
+	bdev.zone_size = 1024 * 4096;
+
+	get_num_zones = spdk_bdev_get_num_zones(&bdev);
+	CU_ASSERT(get_num_zones == 256);
+}
+
 static void
 test_get_max_zone_append_size(void)
 {
@@ -318,6 +331,7 @@ static void
 test_zone_get_operation(void)
 {
 	test_get_zone_size();
+	test_get_num_zones();
 	test_get_max_zone_append_size();
 	test_get_max_open_zones();
 	test_get_max_active_zones();