diff --git a/.changeset/twelve-goats-provide.md b/.changeset/twelve-goats-provide.md
new file mode 100644
index 000000000000..58882f823a4f
--- /dev/null
+++ b/.changeset/twelve-goats-provide.md
@@ -0,0 +1,7 @@
+---
+"wrangler": patch
+---
+
+Improve messaging when bulk deleting or uploading KV Pairs
+
+Closes #555
diff --git a/packages/wrangler/src/__tests__/kv.test.ts b/packages/wrangler/src/__tests__/kv.test.ts
index 46cc5e2f646b..89b73bf3e052 100644
--- a/packages/wrangler/src/__tests__/kv.test.ts
+++ b/packages/wrangler/src/__tests__/kv.test.ts
@@ -1205,10 +1205,10 @@ describe("wrangler", () => {
         );
         expect(requests.count).toEqual(3);
         expect(std.out).toMatchInlineSnapshot(`
-          "Uploaded 0 of 12000.
-          Uploaded 5000 of 12000.
-          Uploaded 10000 of 12000.
-          Uploaded 12000 of 12000.
+          "Uploaded 0% (0 out of 12,000)
+          Uploaded 41% (5,000 out of 12,000)
+          Uploaded 83% (10,000 out of 12,000)
+          Uploaded 100% (12,000 out of 12,000)
           Success!"
         `);
         expect(std.warn).toMatchInlineSnapshot(`""`);
@@ -1358,10 +1358,10 @@ describe("wrangler", () => {
         );
         expect(requests.count).toEqual(3);
         expect(std.out).toMatchInlineSnapshot(`
-          "Deleted 0 of 12000.
-          Deleted 5000 of 12000.
-          Deleted 10000 of 12000.
-          Deleted 12000 of 12000.
+          "Deleted 0% (0 out of 12,000)
+          Deleted 41% (5,000 out of 12,000)
+          Deleted 83% (10,000 out of 12,000)
+          Deleted 100% (12,000 out of 12,000)
           Success!"
         `);
         expect(std.warn).toMatchInlineSnapshot(`""`);
diff --git a/packages/wrangler/src/index.tsx b/packages/wrangler/src/index.tsx
index 9b63e05edd2a..89d9fe5c3696 100644
--- a/packages/wrangler/src/index.tsx
+++ b/packages/wrangler/src/index.tsx
@@ -2397,14 +2397,7 @@ function createCLIParser(argv: string[]) {
             }
 
             const accountId = await requireAuth(config);
-            await putKVBulkKeyValue(
-              accountId,
-              namespaceId,
-              content,
-              (index, total) => {
-                logger.log(`Uploaded ${index} of ${total}.`);
-              }
-            );
+            await putKVBulkKeyValue(accountId, namespaceId, content);
 
             logger.log("Success!");
           }
@@ -2494,14 +2487,7 @@ function createCLIParser(argv: string[]) {
 
             const accountId = await requireAuth(config);
 
-            await deleteKVBulkKeyValue(
-              accountId,
-              namespaceId,
-              content,
-              (index, total) => {
-                logger.log(`Deleted ${index} of ${total}.`);
-              }
-            );
+            await deleteKVBulkKeyValue(accountId, namespaceId, content);
 
             logger.log("Success!");
           }
diff --git a/packages/wrangler/src/kv.ts b/packages/wrangler/src/kv.ts
index 402f6baa5184..5c633b7df3d3 100644
--- a/packages/wrangler/src/kv.ts
+++ b/packages/wrangler/src/kv.ts
@@ -1,5 +1,6 @@
 import { URLSearchParams } from "node:url";
 import { fetchListResult, fetchResult, fetchKVGetValue } from "./cfetch";
+import { logger } from "./logger";
 import type { Config } from "./config";
 
 /** The largest number of kv items we can pass to the API in a single request. */
@@ -205,15 +206,37 @@ export async function deleteKVKeyValue(
   );
 }
 
+/**
+ * Formatter for converting e.g. 5328 --> 5,328
+ */
+const formatNumber = new Intl.NumberFormat("en-US", {
+  notation: "standard",
+}).format;
+
+/**
+ * Helper function for bulk requests, logs ongoing output to console.
+ */
+function logBulkProgress(
+  operation: "put" | "delete",
+  index: number,
+  total: number
+) {
+  logger.log(
+    `${operation === "put" ? "Uploaded" : "Deleted"} ${Math.floor(
+      (100 * index) / total
+    )}% (${formatNumber(index)} out of ${formatNumber(total)})`
+  );
+}
+
 export async function putKVBulkKeyValue(
   accountId: string,
   namespaceId: string,
   keyValues: KeyValue[],
-  progressCallback: (index: number, total: number) => void
+  quiet = false
 ) {
   for (let index = 0; index < keyValues.length; index += BATCH_KEY_MAX) {
-    if (progressCallback && keyValues.length > BATCH_KEY_MAX) {
-      progressCallback(index, keyValues.length);
+    if (!quiet && keyValues.length > BATCH_KEY_MAX) {
+      logBulkProgress("put", index, keyValues.length);
     }
 
     await fetchResult(
@@ -225,8 +248,9 @@ export async function putKVBulkKeyValue(
       }
     );
   }
-  if (progressCallback && keyValues.length > BATCH_KEY_MAX) {
-    progressCallback(keyValues.length, keyValues.length);
+
+  if (!quiet && keyValues.length > BATCH_KEY_MAX) {
+    logBulkProgress("put", keyValues.length, keyValues.length);
   }
 }
 
@@ -234,11 +258,11 @@ export async function deleteKVBulkKeyValue(
   accountId: string,
   namespaceId: string,
   keys: string[],
-  progressCallback: (index: number, total: number) => void
+  quiet = false
 ) {
   for (let index = 0; index < keys.length; index += BATCH_KEY_MAX) {
-    if (progressCallback && keys.length > BATCH_KEY_MAX) {
-      progressCallback(index, keys.length);
+    if (!quiet && keys.length > BATCH_KEY_MAX) {
+      logBulkProgress("delete", index, keys.length);
     }
 
     await fetchResult(
@@ -250,8 +274,8 @@ export async function deleteKVBulkKeyValue(
       }
     );
   }
-  if (progressCallback && keys.length > BATCH_KEY_MAX) {
-    progressCallback(keys.length, keys.length);
+  if (!quiet && keys.length > BATCH_KEY_MAX) {
+    logBulkProgress("delete", keys.length, keys.length);
   }
 }
 
diff --git a/packages/wrangler/src/sites.tsx b/packages/wrangler/src/sites.tsx
index 457441c3525c..20ad2ab58137 100644
--- a/packages/wrangler/src/sites.tsx
+++ b/packages/wrangler/src/sites.tsx
@@ -187,14 +187,9 @@ export async function syncAssets(
 
   await Promise.all([
     // upload all the new assets
-    putKVBulkKeyValue(accountId, namespace, toUpload, () => {}),
+    putKVBulkKeyValue(accountId, namespace, toUpload),
     // delete all the unused assets
-    deleteKVBulkKeyValue(
-      accountId,
-      namespace,
-      Array.from(namespaceKeys),
-      () => {}
-    ),
+    deleteKVBulkKeyValue(accountId, namespace, Array.from(namespaceKeys)),
   ]);
 
   logger.log("↗️  Done syncing assets");