diff --git a/app/Services/Manage/CuttingService.php b/app/Services/Manage/CuttingService.php
index 8783f4e..fb9f0c2 100644
--- a/app/Services/Manage/CuttingService.php
+++ b/app/Services/Manage/CuttingService.php
@@ -284,12 +284,12 @@ public function syncDraftMaterial(array $validated, User $user): array
             ->findOrFail($validated['raw_material_price_id']);
 
         $unit = $price->rawMaterial?->unit;
-        $usageInput = round((float) $validated['material_usage'], 4);
-        $remainingInput = round((float) $validated['remaining_material'], 4);
+        $usageInput = round((float) $validated['material_usage'], 2);
+        $remainingInput = round((float) $validated['remaining_material'], 2);
 
         if ($unit !== null && $unit->usesLengthUnit()) {
-            $materialUsage = round($unit->fromCm($usageInput), 4);
-            $remainingMaterial = round($unit->fromCm($remainingInput), 4);
+            $materialUsage = round($unit->fromCm($usageInput), 2);
+            $remainingMaterial = round($unit->fromCm($remainingInput), 2);
         } else {
             $materialUsage = $usageInput;
             $remainingMaterial = $remainingInput;
@@ -655,12 +655,12 @@ private function buildMaterials(array $materials): array
                 }
 
                 $unit = $price->rawMaterial?->unit;
-                $usageInput = round((float) $itemData['material_usage'], 4);
-                $remainingInput = round((float) $itemData['remaining_material'], 4);
+                $usageInput = round((float) $itemData['material_usage'], 2);
+                $remainingInput = round((float) $itemData['remaining_material'], 2);
 
                 if ($unit !== null && $unit->usesLengthUnit()) {
-                    $materialUsage = round($unit->fromCm($usageInput), 4);
-                    $remainingMaterial = round($unit->fromCm($remainingInput), 4);
+                    $materialUsage = round($unit->fromCm($usageInput), 2);
+                    $remainingMaterial = round($unit->fromCm($remainingInput), 2);
                 } else {
                     $materialUsage = $usageInput;
                     $remainingMaterial = $remainingInput;
@@ -898,10 +898,10 @@ private function presentDraftMaterial(CuttingMaterial $item): array
 
         // Convert stored native unit back to cm for display
         if ($usesLengthUnit && $unit !== null) {
-            $materialUsageCm = round($unit->toCm((float) $item->material_usage), 4);
-            $remainingMaterialCm = round($unit->toCm((float) $item->remaining_material), 4);
-            $materialUsageDisplay = rtrim(rtrim(number_format($materialUsageCm, 4, '.', ''), '0'), '.');
-            $remainingMaterialDisplay = rtrim(rtrim(number_format($remainingMaterialCm, 4, '.', ''), '0'), '.');
+            $materialUsageCm = round($unit->toCm((float) $item->material_usage), 2);
+            $remainingMaterialCm = round($unit->toCm((float) $item->remaining_material), 2);
+            $materialUsageDisplay = rtrim(rtrim(number_format($materialUsageCm, 2, '.', ''), '0'), '.');
+            $remainingMaterialDisplay = rtrim(rtrim(number_format($remainingMaterialCm, 2, '.', ''), '0'), '.');
         } else {
             $materialUsageDisplay = $this->formatQuantityInput((float) $item->material_usage);
             $remainingMaterialDisplay = $this->formatQuantityInput((float) $item->remaining_material);
@@ -942,7 +942,7 @@ private function presentDraftResult(CuttingResult $item): array
 
     private function formatQuantityInput(float $value): string
     {
-        return rtrim(rtrim(number_format($value, 4, '.', ''), '0'), '.');
+        return rtrim(rtrim(number_format($value, 2, '.', ''), '0'), '.');
     }
 
     private function appendCostPreview(Cutting $cutting): void
diff --git a/database/migrations/2026_06_21_040000_update_cutting_materials_decimal_precision.php b/database/migrations/2026_06_21_040000_update_cutting_materials_decimal_precision.php
index 4ba2339..59caed8 100644
--- a/database/migrations/2026_06_21_040000_update_cutting_materials_decimal_precision.php
+++ b/database/migrations/2026_06_21_040000_update_cutting_materials_decimal_precision.php
@@ -9,8 +9,8 @@
     public function up(): void
     {
         Schema::table('cutting_materials', function (Blueprint $table): void {
-            $table->decimal('material_usage', 18, 4)->change();
-            $table->decimal('remaining_material', 18, 4)->change();
+            $table->decimal('material_usage', 18, 2)->change();
+            $table->decimal('remaining_material', 18, 2)->change();
         });
     }
 
diff --git a/resources/js/pages/admin/manage/cuttings/form/CuttingPosForm.vue b/resources/js/pages/admin/manage/cuttings/form/CuttingPosForm.vue
index 9226120..f3d91eb 100644
--- a/resources/js/pages/admin/manage/cuttings/form/CuttingPosForm.vue
+++ b/resources/js/pages/admin/manage/cuttings/form/CuttingPosForm.vue
@@ -313,7 +313,7 @@ async function decreaseMaterialQty(priceId: number) {
         return;
     }
 
-    const decrement = item.uses_length_unit ? 100 : 1;
+    const decrement = 1;
     const nextQty = (Number(item.material_usage) || 0) - decrement;
 
     if (nextQty <= 0) {
@@ -354,8 +354,8 @@ async function addMaterial(
         (item) => item.raw_material_price_id === price.id,
     );
 
-    const defaultUsage = usesLengthUnit(rawMaterial.unit) ? '100' : '1';
-    const increment = usesLengthUnit(rawMaterial.unit) ? 100 : 1;
+    const defaultUsage = '100';
+    const increment = 1;
     const nextUsage = existing
         ? String((Number(existing.material_usage) || 0) + increment)
         : defaultUsage;