diff --git a/src/components/base/NumberInputBase.ts b/src/components/base/NumberInputBase.ts
new file mode 100644
index 00000000..c7e6ea79
--- /dev/null
+++ b/src/components/base/NumberInputBase.ts
@@ -0,0 +1,123 @@
+import { watch } from 'vue';
+
+import { useI18n } from '@/locales/helpers.ts';
+import { type CommonNumberInputProps, useCommonNumberInputBase } from '@/components/base/CommonNumberInputBase.ts';
+
+import { isNumber, replaceAll, removeAll } from '@/lib/common.ts';
+
+export interface NumberInputProps extends CommonNumberInputProps {
+    minValue?: number;
+    maxValue?: number;
+    maxDecimalCount?: number;
+}
+
+export interface NumberInputEmits {
+    (e: 'update:modelValue', value: number): void;
+}
+
+export function useNumberInputBase(props: NumberInputProps, emit: NumberInputEmits) {
+    const {
+        getCurrentDecimalSeparator,
+        getCurrentDigitGroupingSymbol
+    } = useI18n();
+
+    const {
+        currentValue,
+        onKeyUpDown,
+        onPaste
+    } = useCommonNumberInputBase(props, props.maxDecimalCount ?? -1, getFormattedValue(props.modelValue), parseNumber, getFormattedValue, getValidFormattedValue);
+
+    function parseNumber(value: string): number {
+        if (!value) {
+            return 0;
+        }
+
+        const decimalSeparator = getCurrentDecimalSeparator();
+
+        let finalValue = '';
+        for (let i = 0; i < value.length; i++) {
+            if (!('0' <= value[i] && value[i] <= '9') && value[i] !== '-' && value[i] !== decimalSeparator) {
+                break;
+            }
+
+            finalValue += value[i];
+        }
+
+        if (decimalSeparator !== '.') {
+            finalValue = replaceAll(finalValue, decimalSeparator, '.');
+        }
+
+        return parseFloat(finalValue);
+    }
+
+    function getValidFormattedValue(value: number, textualValue: string): string {
+        if (isNumber(props.minValue) && value < props.minValue) {
+            return getFormattedValue(props.minValue);
+        }
+
+        if (isNumber(props.maxValue) && value > props.maxValue) {
+            return getFormattedValue(props.maxValue);
+        }
+
+        const decimalSeparator = getCurrentDecimalSeparator();
+        const digitGroupingSymbol = getCurrentDigitGroupingSymbol();
+        return replaceAll(removeAll(textualValue, digitGroupingSymbol), '.', decimalSeparator);
+    }
+
+    function getFormattedValue(value: number): string {
+        if (!Number.isNaN(value) && Number.isFinite(value)) {
+            const decimalSeparator = getCurrentDecimalSeparator();
+
+            if (isNumber(props.maxDecimalCount) && props.maxDecimalCount >= 0) {
+                return replaceAll(value.toFixed(props.maxDecimalCount), '.', decimalSeparator);
+            } else {
+                return replaceAll(value.toString(), '.', decimalSeparator);
+            }
+        }
+
+        return '0';
+    }
+
+    watch(() => props.modelValue, (newValue) => {
+        const numericCurrentValue = parseNumber(currentValue.value);
+
+        if (newValue !== numericCurrentValue) {
+            const newStringValue = getFormattedValue(newValue);
+
+            if (!(newStringValue === '0' && currentValue.value === '')) {
+                currentValue.value = newStringValue;
+            }
+        }
+    });
+
+    watch(currentValue, (newValue) => {
+        let finalValue = '';
+
+        if (newValue) {
+            const decimalSeparator = getCurrentDecimalSeparator();
+
+            for (let i = 0; i < newValue.length; i++) {
+                if (!('0' <= newValue[i] && newValue[i] <= '9') && newValue[i] !== '-' && newValue[i] !== decimalSeparator) {
+                    break;
+                }
+
+                finalValue += newValue[i];
+            }
+        }
+
+        if (finalValue !== newValue) {
+            currentValue.value = finalValue;
+        } else {
+            const value: number = parseNumber(finalValue);
+            emit('update:modelValue', value);
+        }
+    });
+
+    return {
+        // states
+        currentValue,
+        // functions
+        onKeyUpDown,
+        onPaste
+    }
+}
diff --git a/src/components/desktop/NumberInput.vue b/src/components/desktop/NumberInput.vue
new file mode 100644
index 00000000..1abc4e13
--- /dev/null
+++ b/src/components/desktop/NumberInput.vue
@@ -0,0 +1,35 @@
+<template>
+    <v-text-field type="text" :class="extraClass" :density="density" :readonly="!!readonly" :disabled="!!disabled"
+                  :label="label" :placeholder="placeholder"
+                  :persistent-placeholder="!!persistentPlaceholder"
+                  v-model="currentValue"
+                  @keydown="onKeyUpDown" @keyup="onKeyUpDown" @paste="onPaste">
+    </v-text-field>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue';
+
+import { type NumberInputProps, type NumberInputEmits, useNumberInputBase } from '@/components/base/NumberInputBase.ts';
+
+import type { ComponentDensity } from '@/lib/ui/desktop.ts';
+
+interface DesktopNumberInputProps extends NumberInputProps {
+    class?: string;
+    density?: ComponentDensity;
+    persistentPlaceholder?: boolean;
+}
+
+const props = defineProps<DesktopNumberInputProps>();
+const emit = defineEmits<NumberInputEmits>();
+
+const {
+    currentValue,
+    onKeyUpDown,
+    onPaste
+} = useNumberInputBase(props, emit);
+
+const extraClass = computed<string>(() => {
+    return props.class || '';
+});
+</script>
diff --git a/src/components/mobile/ListNumberInput.vue b/src/components/mobile/ListNumberInput.vue
new file mode 100644
index 00000000..baab66de
--- /dev/null
+++ b/src/components/mobile/ListNumberInput.vue
@@ -0,0 +1,26 @@
+<template>
+    <f7-list-input
+        type="text"
+        :readonly="!!readonly"
+        :disabled="!!disabled"
+        :label="label"
+        :placeholder="placeholder"
+        v-model:value="currentValue"
+        @keydown="onKeyUpDown"
+        @keyup="onKeyUpDown"
+        @paste="onPaste"
+    ></f7-list-input>
+</template>
+
+<script setup lang="ts">
+import { type NumberInputProps, type NumberInputEmits, useNumberInputBase } from '@/components/base/NumberInputBase.ts';
+
+const props = defineProps<NumberInputProps>();
+const emit = defineEmits<NumberInputEmits>();
+
+const {
+    currentValue,
+    onKeyUpDown,
+    onPaste
+} = useNumberInputBase(props, emit);
+</script>
diff --git a/src/consts/exchange_rate.ts b/src/consts/exchange_rate.ts
new file mode 100644
index 00000000..f2dd6db7
--- /dev/null
+++ b/src/consts/exchange_rate.ts
@@ -0,0 +1,2 @@
+export const USER_CUSTOM_EXCHANGE_RATE_MIN_VALUE: number = 0;
+export const USER_CUSTOM_EXCHANGE_RATE_MAX_VALUE: number = 999999999.9999;
diff --git a/src/desktop-main.ts b/src/desktop-main.ts
index c511b461..086157f5 100644
--- a/src/desktop-main.ts
+++ b/src/desktop-main.ts
@@ -77,6 +77,7 @@ import MapView from '@/components/common/MapView.vue';
 
 import ItemIcon from '@/components/desktop/ItemIcon.vue';
 import BtnVerticalGroup from '@/components/desktop/BtnVerticalGroup.vue';
+import NumberInput from '@/components/desktop/NumberInput.vue';
 import AmountInput from '@/components/desktop/AmountInput.vue';
 import LanguageSelect from '@/components/desktop/LanguageSelect.vue';
 import LanguageSelectButton from '@/components/desktop/LanguageSelectButton.vue';
@@ -453,6 +454,7 @@ app.component('MapView', MapView);
 
 app.component('ItemIcon', ItemIcon);
 app.component('BtnVerticalGroup', BtnVerticalGroup);
+app.component('NumberInput', NumberInput);
 app.component('AmountInput', AmountInput);
 app.component('LanguageSelect', LanguageSelect);
 app.component('LanguageSelectButton', LanguageSelectButton);
diff --git a/src/mobile-main.ts b/src/mobile-main.ts
index a1e0588e..1bcb73d2 100644
--- a/src/mobile-main.ts
+++ b/src/mobile-main.ts
@@ -95,6 +95,7 @@ import DateSelectionSheet from '@/components/mobile/DateSelectionSheet.vue';
 import DateRangeSelectionSheet from '@/components/mobile/DateRangeSelectionSheet.vue';
 import MonthSelectionSheet from '@/components/mobile/MonthSelectionSheet.vue';
 import MonthRangeSelectionSheet from '@/components/mobile/MonthRangeSelectionSheet.vue';
+import ListNumberInput from '@/components/mobile/ListNumberInput.vue';
 import ListItemSelectionSheet from '@/components/mobile/ListItemSelectionSheet.vue';
 import ListItemSelectionPopup from '@/components/mobile/ListItemSelectionPopup.vue';
 import TwoColumnListItemSelectionSheet from '@/components/mobile/TwoColumnListItemSelectionSheet.vue';
@@ -181,6 +182,7 @@ app.component('DateSelectionSheet', DateSelectionSheet);
 app.component('DateRangeSelectionSheet', DateRangeSelectionSheet);
 app.component('MonthSelectionSheet', MonthSelectionSheet);
 app.component('MonthRangeSelectionSheet', MonthRangeSelectionSheet);
+app.component('ListNumberInput', ListNumberInput);
 app.component('ListItemSelectionSheet', ListItemSelectionSheet);
 app.component('ListItemSelectionPopup', ListItemSelectionPopup);
 app.component('TwoColumnListItemSelectionSheet', TwoColumnListItemSelectionSheet);
diff --git a/src/views/desktop/exchangerates/list/dialogs/UpdateDialog.vue b/src/views/desktop/exchangerates/list/dialogs/UpdateDialog.vue
index d785e713..8a1d39ed 100644
--- a/src/views/desktop/exchangerates/list/dialogs/UpdateDialog.vue
+++ b/src/views/desktop/exchangerates/list/dialogs/UpdateDialog.vue
@@ -11,11 +11,13 @@
             <v-card-text class="my-md-4 w-100 d-flex justify-center">
                 <v-row>
                     <v-col cols="12" md="6">
-                        <v-text-field type="number"
-                                      :disabled="submitting"
+                        <number-input :disabled="submitting"
                                       :label="tt('Amount')"
                                       :placeholder="tt('Amount')"
                                       :persistent-placeholder="true"
+                                      :min-value="USER_CUSTOM_EXCHANGE_RATE_MIN_VALUE"
+                                      :max-value="USER_CUSTOM_EXCHANGE_RATE_MAX_VALUE"
+                                      :max-decimal-count="4"
                                       v-model="defaultCurrencyAmount"/>
                     </v-col>
                     <v-col cols="12" md="6">
@@ -28,11 +30,13 @@
                         <v-icon :icon="mdiSwapVertical" size="24" />
                     </v-col>
                     <v-col cols="12" md="6">
-                        <v-text-field type="number"
-                                      :disabled="submitting"
+                        <number-input :disabled="submitting"
                                       :label="tt('Amount')"
                                       :placeholder="tt('Amount')"
                                       :persistent-placeholder="true"
+                                      :min-value="USER_CUSTOM_EXCHANGE_RATE_MIN_VALUE"
+                                      :max-value="USER_CUSTOM_EXCHANGE_RATE_MAX_VALUE"
+                                      :max-decimal-count="4"
                                       v-model="targetCurrencyAmount"/>
                     </v-col>
                     <v-col cols="12" md="6">
@@ -68,6 +72,11 @@ import { useI18n } from '@/locales/helpers.ts';
 import { useUserStore } from '@/stores/user.ts';
 import { useExchangeRatesStore } from '@/stores/exchangeRates.ts';
 
+import {
+    USER_CUSTOM_EXCHANGE_RATE_MAX_VALUE,
+    USER_CUSTOM_EXCHANGE_RATE_MIN_VALUE
+} from '@/consts/exchange_rate.ts';
+
 import {
     mdiSwapVertical
 } from '@mdi/js';
diff --git a/src/views/mobile/exchangerates/UpdatePage.vue b/src/views/mobile/exchangerates/UpdatePage.vue
index 87140fbc..dd417dc4 100644
--- a/src/views/mobile/exchangerates/UpdatePage.vue
+++ b/src/views/mobile/exchangerates/UpdatePage.vue
@@ -10,13 +10,17 @@
         </f7-navbar>
 
         <f7-list form strong inset dividers class="margin-vertical">
-            <f7-list-input
-                type="number"
-                :disabled="submitting"
-                :label="tt('Amount')"
-                :placeholder="tt('Amount')"
-                v-model:value="defaultCurrencyAmount"
-            ></f7-list-input>
+            <template #list>
+                <list-number-input
+                    :disabled="submitting"
+                    :label="tt('Amount')"
+                    :placeholder="tt('Amount')"
+                    :min-value="USER_CUSTOM_EXCHANGE_RATE_MIN_VALUE"
+                    :max-value="USER_CUSTOM_EXCHANGE_RATE_MAX_VALUE"
+                    :max-decimal-count="4"
+                    v-model="defaultCurrencyAmount"
+                ></list-number-input>
+            </template>
 
             <f7-list-item
                 class="list-item-with-header-and-title list-item-no-item-after"
@@ -39,13 +43,17 @@
         </f7-block>
 
         <f7-list form strong inset dividers class="margin-vertical">
-            <f7-list-input
-                type="number"
-                :disabled="submitting"
-                :label="tt('Amount')"
-                :placeholder="tt('Amount')"
-                v-model:value="targetCurrencyAmount"
-            ></f7-list-input>
+            <template #list>
+                <list-number-input
+                    :disabled="submitting"
+                    :label="tt('Amount')"
+                    :placeholder="tt('Amount')"
+                    :min-value="USER_CUSTOM_EXCHANGE_RATE_MIN_VALUE"
+                    :max-value="USER_CUSTOM_EXCHANGE_RATE_MAX_VALUE"
+                    :max-decimal-count="4"
+                    v-model="targetCurrencyAmount"
+                ></list-number-input>
+            </template>
 
             <f7-list-item
                 class="list-item-with-header-and-title list-item-no-item-after"
@@ -88,6 +96,11 @@ import { useExchangeRatesStore } from '@/stores/exchangeRates.ts';
 
 import type { LocalizedCurrencyInfo } from '@/core/currency.ts';
 
+import {
+    USER_CUSTOM_EXCHANGE_RATE_MAX_VALUE,
+    USER_CUSTOM_EXCHANGE_RATE_MIN_VALUE
+} from '@/consts/exchange_rate.ts';
+
 const props = defineProps<{
     f7router: Router.Router;
 }>();