diff --git a/.cursor/skills/abshode-domain-lookup/learned-notes.md b/.cursor/skills/abshode-domain-lookup/learned-notes.md
index ffed5ad..e61c168 100644
--- a/.cursor/skills/abshode-domain-lookup/learned-notes.md
+++ b/.cursor/skills/abshode-domain-lookup/learned-notes.md
@@ -50,3 +50,4 @@
 - 2026-10-21 | نمودار خانه = کارت لندینگ | `home/components/LandingLiveChartMain.vue` + `useLandingLiveChart.ts` + `styles/landing-live-chart-main.less` | موبایل PriceChartSection و دسکتاپ DesktopChartSection/Panel همین کارت؛ استایل از main.less
 - 2026-10-21 | چیدمان کارت نمودار خانه | همان دو فایل vue/less | هدر: نام+وضعیت راست، تب محصول چپ؛ قیمت راست و تغییر چپ؛ تب بازه کنار عنوان نمودار
 - 2026-10-21 | تب نمودار = محصول فعال | `useLandingLiveChart.ts` + `LandingLiveChartMain.vue` | تب از کاتالوگ `active && show`؛ داده با `price_offset_percent` همان محصول
+- 2026-10-31 | مقدار تبدیل کاتد/مفتول/شمش | `convert/components/CopperConvertCalculator.vue` + `useCopperConvertPage.ts` | زبانه مقدار تا موجودی؛ مانده با زبانه ۱.۵ (تا کل مانده) و ۲.۵ (تا باقی‌مانده بعد از ۱.۵)
diff --git a/src/views/base/convert/components/CopperConvertCalculator.vue b/src/views/base/convert/components/CopperConvertCalculator.vue
index b47ca31..2404ec3 100644
--- a/src/views/base/convert/components/CopperConvertCalculator.vue
+++ b/src/views/base/convert/components/CopperConvertCalculator.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="copper-convert" dir="rtl">
     <p class="copper-convert__lead">
-      وزن دارایی را وارد کنید؛ معادل مفتول و تعداد حلقه سیم ۱.۵ و ۲.۵ با قیمت روز محاسبه می‌شود.
+      مقدار کاتد، مفتول یا شمش از دارایی شما خوانده می‌شود. با زبانه از صفر تا همان موجودی انتخاب کنید. معادل مفتول و حلقه سیم ۱.۵ و ۲.۵ با قیمت روز حساب می‌شود.
     </p>
 
     <a-spin :spinning="loading">
@@ -59,18 +59,33 @@
         </div>
 
         <div class="copper-convert__weight">
-          <label class="copper-convert__field-label" for="copper-convert-kg">مقدار</label>
+          <label class="copper-convert__field-label">مقدار</label>
           <div class="copper-convert__weight-wrap">
-            <input
-              id="copper-convert-kg"
-              v-model="inputKg"
-              class="copper-convert__weight-input"
-              type="text"
-              inputmode="decimal"
-              placeholder="مثلاً ۱۰"
-              autocomplete="off"
+            <span class="copper-convert__weight-value" dir="ltr">{{ formatAssetAmount(sliderAmount) }}</span>
+            <span class="copper-convert__weight-unit">{{ assetUnit }}</span>
+          </div>
+          <p class="copper-convert__asset-hint">
+            <template v-if="assetAmount > 0">از دارایی شما؛ انتهای زبانه {{ formatAssetAmount(assetAmount) }} {{ assetUnit }} است</template>
+            <template v-else>موجودی این دارایی صفر است.</template>
+          </p>
+          <div
+            class="app-touch-slider copper-convert__slider"
+            @touchstart.stop
+            @touchmove.stop
+            @pointerdown.stop
+          >
+            <a-slider
+              v-model:value="sliderAmount"
+              :min="0"
+              :max="assetAmount > 0 ? assetAmount : 1"
+              :step="sliderStep"
+              :disabled="assetAmount <= 0"
+              :tip-formatter="sliderTip"
             />
-            <span class="copper-convert__weight-unit">کیلوگرم</span>
+          </div>
+          <div class="copper-convert__slider-scale">
+            <span>۰</span>
+            <span dir="ltr">{{ formatAssetAmount(assetAmount) }} {{ assetUnit }}</span>
           </div>
         </div>
       </section>
@@ -86,25 +101,11 @@
             <span class="copper-convert__ring-badge">۱.۵ mm²</span>
             <p class="copper-convert__ring-count" dir="ltr">{{ formatRings(result.rings15ByValue) }}</p>
             <p class="copper-convert__ring-caption">حلقه سیم</p>
-            <p
-              v-if="result.rings15ByWeight != null"
-              class="copper-convert__ring-sub"
-              dir="ltr"
-            >
-              ≈ {{ formatRings(result.rings15ByWeight) }} بر اساس وزن حلقه
-            </p>
           </article>
           <article class="copper-convert__ring-card">
             <span class="copper-convert__ring-badge">۲.۵ mm²</span>
             <p class="copper-convert__ring-count" dir="ltr">{{ formatRings(result.rings25ByValue) }}</p>
             <p class="copper-convert__ring-caption">حلقه سیم</p>
-            <p
-              v-if="result.rings25ByWeight != null"
-              class="copper-convert__ring-sub"
-              dir="ltr"
-            >
-              ≈ {{ formatRings(result.rings25ByWeight) }} بر اساس وزن حلقه
-            </p>
           </article>
         </div>
 
@@ -120,7 +121,72 @@
         </div>
       </section>
 
-      <p v-else-if="inputKg && !loading" class="copper-convert__warn">
+      <section v-if="result && remainderAmount > 0" class="copper-convert__split">
+        <div class="copper-convert__result-head">
+          <span class="copper-convert__result-kicker">مانده دارایی</span>
+          <span class="copper-convert__result-title">تقسیم بین دو سیم</span>
+        </div>
+        <p class="copper-convert__asset-hint">
+          مانده {{ formatAssetAmount(remainderAmount) }} {{ assetUnit }} است. زبانهٔ ۱.۵ تا کل مانده می‌رود؛ زبانهٔ ۲.۵ فقط تا آنچه بعد از ۱.۵ می‌ماند.
+        </p>
+
+        <div class="copper-convert__weight">
+          <label class="copper-convert__field-label">سیم ۱.۵ mm²</label>
+          <div class="copper-convert__weight-wrap">
+            <span class="copper-convert__weight-value" dir="ltr">{{ formatAssetAmount(wire15Amount) }}</span>
+            <span class="copper-convert__weight-unit">{{ assetUnit }}</span>
+          </div>
+          <p class="copper-convert__asset-hint">معادل {{ formatRings(wire15Rings) }} حلقه</p>
+          <div
+            class="app-touch-slider copper-convert__slider"
+            @touchstart.stop
+            @touchmove.stop
+            @pointerdown.stop
+          >
+            <a-slider
+              v-model:value="wire15Amount"
+              :min="0"
+              :max="remainderAmount"
+              :step="sliderStep"
+              :tip-formatter="sliderTip"
+            />
+          </div>
+          <div class="copper-convert__slider-scale">
+            <span>۰</span>
+            <span dir="ltr">{{ formatAssetAmount(remainderAmount) }} {{ assetUnit }}</span>
+          </div>
+        </div>
+
+        <div class="copper-convert__weight">
+          <label class="copper-convert__field-label">سیم ۲.۵ mm²</label>
+          <div class="copper-convert__weight-wrap">
+            <span class="copper-convert__weight-value" dir="ltr">{{ formatAssetAmount(wire25Amount) }}</span>
+            <span class="copper-convert__weight-unit">{{ assetUnit }}</span>
+          </div>
+          <p class="copper-convert__asset-hint">معادل {{ formatRings(wire25Rings) }} حلقه</p>
+          <div
+            class="app-touch-slider copper-convert__slider"
+            @touchstart.stop
+            @touchmove.stop
+            @pointerdown.stop
+          >
+            <a-slider
+              v-model:value="wire25Amount"
+              :min="0"
+              :max="wire25Max > 0 ? wire25Max : 1"
+              :step="sliderStep"
+              :disabled="wire25Max <= 0"
+              :tip-formatter="sliderTip"
+            />
+          </div>
+          <div class="copper-convert__slider-scale">
+            <span>۰</span>
+            <span dir="ltr">{{ formatAssetAmount(wire25Max) }} {{ assetUnit }}</span>
+          </div>
+        </div>
+      </section>
+
+      <p v-if="!result && amountAttempted && !loading" class="copper-convert__warn">
         مقدار معتبر وارد کنید و از فعال بودن قیمت کاتد/مفتول در سامانه مطمئن شوید.
       </p>
     </a-spin>
@@ -132,7 +198,24 @@ import { computed } from 'vue'
 import { useCopperConvertPageContext } from '../composables/useCopperConvertPage'
 import type { CopperConvertSource } from '@/utils/copperWireConvert'
 
-const { loading, source, inputKg, result, priceRows } = useCopperConvertPageContext()
+const {
+  loading,
+  source,
+  assetAmount,
+  assetUnit,
+  sliderAmount,
+  sliderStep,
+  remainderAmount,
+  wire15Amount,
+  wire25Amount,
+  wire25Max,
+  wire15Rings,
+  wire25Rings,
+  result,
+  priceRows,
+} = useCopperConvertPageContext()
+
+const amountAttempted = computed(() => sliderAmount.value > 0)
 
 const sourceOptions = computed(() => [
   { label: 'کاتد', value: 'katod' as CopperConvertSource },
@@ -143,6 +226,17 @@ const sourceOptions = computed(() => [
 const metalPriceRows = computed(() => priceRows.value.slice(0, 3))
 const wirePriceRows = computed(() => priceRows.value.slice(3))
 
+function formatAssetAmount(value: number) {
+  if (!Number.isFinite(value)) return '0'
+  const rounded = Math.round(value * 1000) / 1000
+  if (Number.isInteger(rounded)) return rounded.toLocaleString('en-US')
+  return rounded.toLocaleString('en-US', { maximumFractionDigits: 3 })
+}
+
+function sliderTip(value?: number) {
+  return `${formatAssetAmount(Number(value ?? 0))} ${assetUnit.value}`
+}
+
 function formatRial(value: number) {
   return Math.round(value).toLocaleString('en-US')
 }
@@ -178,7 +272,8 @@ function formatRings(value: number) {
 
 .copper-convert__panel,
 .copper-convert__form,
-.copper-convert__result {
+.copper-convert__result,
+.copper-convert__split {
   padding: 0.875rem;
   border-radius: 0.875rem;
   background: #fff;
@@ -273,7 +368,8 @@ function formatRings(value: number) {
   text-overflow: ellipsis;
 }
 
-.copper-convert__form {
+.copper-convert__form,
+.copper-convert__split {
   display: flex;
   flex-direction: column;
   gap: 0.65rem;
@@ -326,23 +422,36 @@ function formatRings(value: number) {
   box-shadow: inset 0 1px 2px rgba(15, 39, 68, 0.04);
 }
 
-.copper-convert__weight-input {
+.copper-convert__weight-value {
   flex: 1 1 auto;
   min-width: 0;
-  border: none;
-  outline: none;
-  background: transparent;
   font-size: 1.125rem;
   font-weight: 800;
   color: #0f172a;
-  text-align: right;
   direction: ltr;
+  text-align: right;
 }
 
-.copper-convert__weight-input::placeholder {
-  color: #94a3b8;
-  font-weight: 500;
-  font-size: 0.875rem;
+.copper-convert__asset-hint {
+  margin: 0.35rem 0 0;
+  font-size: 0.6875rem;
+  line-height: 1.5;
+  color: #64748b;
+}
+
+.copper-convert__slider {
+  margin-top: 0.15rem;
+}
+
+.copper-convert__slider-scale {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 0.5rem;
+  margin-top: -0.15rem;
+  font-size: 0.6875rem;
+  font-weight: 700;
+  color: #64748b;
 }
 
 .copper-convert__weight-unit {
diff --git a/src/views/base/convert/composables/useCopperConvertPage.ts b/src/views/base/convert/composables/useCopperConvertPage.ts
index e5071b6..361390f 100644
--- a/src/views/base/convert/composables/useCopperConvertPage.ts
+++ b/src/views/base/convert/composables/useCopperConvertPage.ts
@@ -5,12 +5,15 @@ import {
   onUnmounted,
   provide,
   ref,
+  watch,
   type ComputedRef,
   type InjectionKey,
   type Ref,
 } from 'vue'
 import { getProducts } from '@/api/products'
+import { useWalletAssets } from '@/composables/useWalletAssets'
 import type { Product } from '@/models/products'
+import type { WalletInventoryCard } from '@/models/walletAssets'
 import {
   COPPER_CONVERT_WIRE_FALLBACK,
   calcCopperWireConvert,
@@ -19,9 +22,10 @@ import {
   type CopperConvertSource,
 } from '@/utils/copperWireConvert'
 import { LEGACY_GROUP_KATOD, LEGACY_GROUP_MAFTOL, normalizeProductGroupType } from '@/utils/productCategories'
+import { getProductWeightUnit } from '@/utils/productDealMethod'
 import { getProductBuyPrice } from '@/utils/productPrice'
 import { getLastPrices, startLastPricePolling, stopLastPricePolling } from '@/utils/price'
-import { persianToEnglishDigits } from '@/utils/persianDigits'
+import { weightToGrams } from '@/utils/weightUnit'
 
 export const COPPER_CONVERT_PAGE_KEY: InjectionKey<CopperConvertPageContext> =
   Symbol('copperConvertPageContext')
@@ -29,18 +33,45 @@ export const COPPER_CONVERT_PAGE_KEY: InjectionKey<CopperConvertPageContext> =
 export interface CopperConvertPageContext {
   loading: Ref<boolean>
   source: Ref<CopperConvertSource>
-  inputKg: Ref<string>
+  assetAmount: ComputedRef<number>
+  assetUnit: ComputedRef<string>
+  sliderAmount: Ref<number>
+  sliderStep: ComputedRef<number>
+  remainderAmount: ComputedRef<number>
+  wire15Amount: Ref<number>
+  wire25Amount: Ref<number>
+  wire25Max: ComputedRef<number>
+  wire15Rings: ComputedRef<number>
+  wire25Rings: ComputedRef<number>
   prices: ComputedRef<CopperConvertPrices>
   result: ComputedRef<CopperConvertResult | null>
   priceRows: ComputedRef<{ label: string; value: string; missing?: boolean }[]>
 }
 
-function parseKg(raw: string): number {
-  const s = persianToEnglishDigits(String(raw ?? ''))
-    .replace(/,/g, '')
-    .replace(/[^\d.]/g, '')
-  const n = Number.parseFloat(s)
-  return Number.isFinite(n) ? n : 0
+function roundAmount(value: number): number {
+  return Math.round(value * 1000) / 1000
+}
+
+function cardMatchesSource(card: WalletInventoryCard, src: CopperConvertSource) {
+  const group = normalizeProductGroupType(card.group_type)
+  const title = card.title ?? ''
+  if (src === 'katod') return group === LEGACY_GROUP_KATOD || title.includes('کاتد')
+  if (src === 'maftoul') return group === LEGACY_GROUP_MAFTOL || title.includes('مفتول')
+  return group.includes('شمش') || title.includes('شمش')
+}
+
+function cardQuantity(card: WalletInventoryCard): number {
+  const qty = Number(card.quantity ?? 0)
+  return Number.isFinite(qty) && qty > 0 ? qty : 0
+}
+
+function quantityToKg(quantity: number, unit: string, product?: Product): number {
+  if (quantity <= 0) return 0
+  if (unit.includes('کیلو')) return quantity
+  if (unit.includes('گرم')) return quantity / 1000
+  const perPiece = Number(product?.amount ?? 0)
+  if (perPiece > 0) return weightToGrams(quantity * perPiece, getProductWeightUnit(product)) / 1000
+  return quantity
 }
 
 function titleIncludes(product: Product, part: string) {
@@ -90,8 +121,71 @@ function resolveWireRingPrice(product: Product | undefined, fallback: number): n
 export function useCopperConvertPage() {
   const loading = ref(true)
   const source = ref<CopperConvertSource>('katod')
-  const inputKg = ref('')
+  const sliderAmount = ref(0)
+  const wire15Amount = ref(0)
+  const wire25Amount = ref(0)
   const catalog = ref<Product[]>([])
+  const { assetsSummary, loadWalletAssets } = useWalletAssets()
+
+  const assetCards = computed(() => {
+    const summary = assetsSummary.value
+    if (!summary) return [] as WalletInventoryCard[]
+    const src = source.value
+    const fromInventory = (summary.inventory_cards ?? []).filter((card) =>
+      cardMatchesSource(card, src),
+    )
+    return fromInventory.length
+      ? fromInventory
+      : (summary.count_products ?? []).filter((card) => cardMatchesSource(card, src))
+  })
+
+  const assetUnit = computed(() => {
+    const units = [...new Set(assetCards.value.map((card) => (card.unit ?? '').trim()).filter(Boolean))]
+    if (units.length === 1) return units[0]
+    return 'کیلوگرم'
+  })
+
+  const assetAmount = computed(() => {
+    const cards = assetCards.value
+    if (!cards.length) return 0
+    const units = [...new Set(cards.map((card) => (card.unit ?? '').trim()).filter(Boolean))]
+    if (units.length > 1) {
+      return roundAmount(
+        cards.reduce((sum, card) => sum + quantityToKg(cardQuantity(card), card.unit ?? '', undefined), 0),
+      )
+    }
+    return roundAmount(cards.reduce((sum, card) => sum + cardQuantity(card), 0))
+  })
+
+  const sliderStep = computed(() => (assetUnit.value.includes('عدد') ? 1 : 0.001))
+
+  const remainderAmount = computed(() =>
+    roundAmount(Math.max(0, assetAmount.value - sliderAmount.value)),
+  )
+
+  const wire25Max = computed(() =>
+    roundAmount(Math.max(0, remainderAmount.value - wire15Amount.value)),
+  )
+
+  watch(source, () => {
+    sliderAmount.value = assetAmount.value
+    wire15Amount.value = 0
+    wire25Amount.value = 0
+  })
+
+  watch([remainderAmount, wire15Amount], () => {
+    if (wire15Amount.value > remainderAmount.value) wire15Amount.value = remainderAmount.value
+    if (wire25Amount.value > wire25Max.value) wire25Amount.value = wire25Max.value
+  })
+
+  watch(
+    assetAmount,
+    (amount, prev) => {
+      const previous = prev ?? 0
+      if (sliderAmount.value === previous || sliderAmount.value > amount) sliderAmount.value = amount
+    },
+    { immediate: true },
+  )
 
   const katodProduct = computed(() => pickProduct(catalog.value, isKatodProduct))
   const maftolProduct = computed(() => pickProduct(catalog.value, isMaftolProduct))
@@ -113,10 +207,38 @@ export function useCopperConvertPage() {
     wireWeightGrams25: COPPER_CONVERT_WIRE_FALLBACK.wireWeightGrams25,
   }))
 
-  const result = computed(() =>
-    calcCopperWireConvert(parseKg(inputKg.value), source.value, prices.value),
+  const sourceProduct = computed(() => {
+    if (source.value === 'katod') return katodProduct.value
+    if (source.value === 'maftoul') return maftolProduct.value
+    return shamshProduct.value
+  })
+
+  const selectedKg = computed(() =>
+    quantityToKg(sliderAmount.value, assetUnit.value, sourceProduct.value),
   )
 
+  const result = computed(() =>
+    calcCopperWireConvert(selectedKg.value, source.value, prices.value),
+  )
+
+  const wire15Rings = computed(() => {
+    const converted = calcCopperWireConvert(
+      quantityToKg(wire15Amount.value, assetUnit.value, sourceProduct.value),
+      source.value,
+      prices.value,
+    )
+    return converted?.rings15ByValue ?? 0
+  })
+
+  const wire25Rings = computed(() => {
+    const converted = calcCopperWireConvert(
+      quantityToKg(wire25Amount.value, assetUnit.value, sourceProduct.value),
+      source.value,
+      prices.value,
+    )
+    return converted?.rings25ByValue ?? 0
+  })
+
   const priceRows = computed(() => {
     const p = prices.value
     const row = (label: string, amount: number) => ({
@@ -136,8 +258,11 @@ export function useCopperConvertPage() {
   async function loadCatalog() {
     loading.value = true
     try {
-      await getLastPrices()
-      const list = await getProducts()
+      const [, list] = await Promise.all([
+        getLastPrices(),
+        getProducts(),
+        loadWalletAssets(),
+      ])
       catalog.value = Array.isArray(list) ? list : []
     } catch {
       catalog.value = []
@@ -158,7 +283,16 @@ export function useCopperConvertPage() {
   const ctx: CopperConvertPageContext = {
     loading,
     source,
-    inputKg,
+    assetAmount,
+    assetUnit,
+    sliderAmount,
+    sliderStep,
+    remainderAmount,
+    wire15Amount,
+    wire25Amount,
+    wire25Max,
+    wire15Rings,
+    wire25Rings,
     prices,
     result,
     priceRows,