diff --git a/include/spdk/dif.h b/include/spdk/dif.h
index e68d77654..578af0c62 100644
--- a/include/spdk/dif.h
+++ b/include/spdk/dif.h
@@ -382,4 +382,26 @@ int spdk_dif_verify_stream(struct iovec *iovs, int iovcnt,
 int spdk_dif_update_crc32c_stream(struct iovec *iovs, int iovcnt,
 				  uint32_t data_offset, uint32_t data_len,
 				  uint32_t *crc32c, const struct spdk_dif_ctx *ctx);
+/**
+ * Convert offset and size from LBA based to extended LBA based.
+ *
+ * \param data_offset Data offset
+ * \param data_len Data length
+ * \param buf_offset Buffer offset converted from data offset.
+ * \param buf_len Buffer length converted from data length
+ * \param ctx DIF context.
+ */
+void spdk_dif_get_range_with_md(uint32_t data_offset, uint32_t data_len,
+				uint32_t *buf_offset, uint32_t *buf_len,
+				const struct spdk_dif_ctx *ctx);
+
+/**
+ * Convert length from LBA based to extended LBA based.
+ *
+ * \param data_len Data length
+ * \param ctx DIF context.
+ *
+ * \return Extended LBA based data length.
+ */
+uint32_t spdk_dif_get_length_with_md(uint32_t data_len, const struct spdk_dif_ctx *ctx);
 #endif /* SPDK_DIF_H */
diff --git a/lib/util/dif.c b/lib/util/dif.c
index a176ce021..c01e26911 100644
--- a/lib/util/dif.c
+++ b/lib/util/dif.c
@@ -1681,3 +1681,48 @@ spdk_dif_update_crc32c_stream(struct iovec *iovs, int iovcnt,
 
 	return 0;
 }
+
+void
+spdk_dif_get_range_with_md(uint32_t data_offset, uint32_t data_len,
+			   uint32_t *_buf_offset, uint32_t *_buf_len,
+			   const struct spdk_dif_ctx *ctx)
+{
+	uint32_t data_block_size, data_unalign, buf_offset, buf_len;
+
+	if (!ctx->md_interleave) {
+		buf_offset = data_offset;
+		buf_len = data_len;
+	} else {
+		data_block_size = ctx->block_size - ctx->md_size;
+
+		data_unalign = data_offset % data_block_size;
+
+		buf_offset = (data_offset / data_block_size) * ctx->block_size +
+			     (data_offset % data_block_size);
+		buf_len = ((data_unalign + data_len) / data_block_size) * ctx->block_size +
+			  ((data_unalign + data_len) % data_block_size) - data_unalign;
+	}
+
+	if (_buf_offset != NULL) {
+		*_buf_offset = buf_offset;
+	}
+
+	if (_buf_len != NULL) {
+		*_buf_len = buf_len;
+	}
+}
+
+uint32_t
+spdk_dif_get_length_with_md(uint32_t data_len, const struct spdk_dif_ctx *ctx)
+{
+	uint32_t data_block_size;
+
+	if (!ctx->md_interleave) {
+		return data_len;
+	} else {
+		data_block_size = ctx->block_size - ctx->md_size;
+
+		return (data_len / data_block_size) * ctx->block_size +
+		       (data_len % data_block_size);
+	}
+}
diff --git a/test/unit/lib/util/dif.c/dif_ut.c b/test/unit/lib/util/dif.c/dif_ut.c
index ac7a7f624..3018308e4 100644
--- a/test/unit/lib/util/dif.c/dif_ut.c
+++ b/test/unit/lib/util/dif.c/dif_ut.c
@@ -2343,6 +2343,36 @@ dif_update_crc32c_stream_multi_segments_test(void)
 	free(buf);
 }
 
+static void
+get_range_with_md_test(void)
+{
+	struct spdk_dif_ctx ctx = {};
+	uint32_t buf_offset, buf_len;
+	int rc;
+
+	rc = spdk_dif_ctx_init(&ctx, 4096 + 128, 128, true, false, 0, 0, 0, 0, 0, 0, 0);
+	CU_ASSERT(rc == 0);
+
+	spdk_dif_get_range_with_md(0, 2048, &buf_offset, &buf_len, &ctx);
+	CU_ASSERT(buf_offset == 0);
+	CU_ASSERT(buf_len == 2048);
+
+	spdk_dif_get_range_with_md(2048, 4096, &buf_offset, &buf_len, &ctx);
+	CU_ASSERT(buf_offset == 2048);
+	CU_ASSERT(buf_len == 4096 + 128);
+
+	spdk_dif_get_range_with_md(4096, 10240, &buf_offset, &buf_len, &ctx);
+	CU_ASSERT(buf_offset == 4096 + 128);
+	CU_ASSERT(buf_len == 10240 + 256);
+
+	spdk_dif_get_range_with_md(10240, 2048, &buf_offset, &buf_len, &ctx);
+	CU_ASSERT(buf_offset == 10240 + 256);
+	CU_ASSERT(buf_len == 2048 + 128);
+
+	buf_len = spdk_dif_get_length_with_md(6144, &ctx);
+	CU_ASSERT(buf_len == 6144 + 128);
+}
+
 int
 main(int argc, char **argv)
 {
@@ -2443,7 +2473,8 @@ main(int argc, char **argv)
 		CU_add_test(suite, "_dif_update_crc32c_split_test",
 			    _dif_update_crc32c_split_test) == NULL ||
 		CU_add_test(suite, "dif_update_crc32c_stream_multi_segments_test",
-			    dif_update_crc32c_stream_multi_segments_test) == NULL
+			    dif_update_crc32c_stream_multi_segments_test) == NULL ||
+		CU_add_test(suite, "get_range_with_md_test", get_range_with_md_test) == NULL
 	) {
 		CU_cleanup_registry();
 		return CU_get_error();