diff --git a/crud.py b/crud.py
index 2f85952..74f04d2 100644
--- a/crud.py
+++ b/crud.py
@@ -298,10 +298,43 @@ async def get_user_balance(user_id: str) -> UserBalance:
     )
 
     total_balance = 0
+    fiat_balances = {}  # Track fiat balances by currency
 
     for account in user_accounts:
         balance = await get_account_balance(account.id)
 
+        # Get all entry lines for this account to calculate fiat balances
+        entry_lines = await db.fetchall(
+            "SELECT * FROM entry_lines WHERE account_id = :account_id",
+            {"account_id": account.id},
+        )
+
+        for line in entry_lines:
+            # Parse metadata to get fiat amounts
+            metadata = json.loads(line["metadata"]) if line.get("metadata") else {}
+            fiat_currency = metadata.get("fiat_currency")
+            fiat_amount = metadata.get("fiat_amount")
+
+            if fiat_currency and fiat_amount:
+                # Initialize currency if not exists
+                if fiat_currency not in fiat_balances:
+                    fiat_balances[fiat_currency] = 0.0
+
+                # Calculate fiat balance based on account type
+                if account.account_type == AccountType.LIABILITY:
+                    # Liability: credit increases (castle owes more), debit decreases
+                    if line["credit"] > 0:
+                        fiat_balances[fiat_currency] += fiat_amount
+                    elif line["debit"] > 0:
+                        fiat_balances[fiat_currency] -= fiat_amount
+                elif account.account_type == AccountType.ASSET:
+                    # Asset (receivable): debit increases (user owes more), credit decreases
+                    if line["debit"] > 0:
+                        fiat_balances[fiat_currency] -= fiat_amount
+                    elif line["credit"] > 0:
+                        fiat_balances[fiat_currency] += fiat_amount
+
+        # Calculate satoshi balance
         # If it's a liability account (castle owes user), it's positive
         # If it's an asset account (user owes castle), it's negative
         if account.account_type == AccountType.LIABILITY:
@@ -314,6 +347,7 @@ async def get_user_balance(user_id: str) -> UserBalance:
         user_id=user_id,
         balance=total_balance,
         accounts=user_accounts,
+        fiat_balances=fiat_balances,
     )
 
 
@@ -337,17 +371,55 @@ async def get_all_user_balances() -> list[UserBalance]:
     user_balances = []
     for user_id, accounts in users_dict.items():
         total_balance = 0
+        fiat_balances = {}
+
         for account in accounts:
             balance = await get_account_balance(account.id)
+
+            # Get all entry lines for this account to calculate fiat balances
+            entry_lines = await db.fetchall(
+                "SELECT * FROM entry_lines WHERE account_id = :account_id",
+                {"account_id": account.id},
+            )
+
+            for line in entry_lines:
+                # Parse metadata to get fiat amounts
+                metadata = json.loads(line["metadata"]) if line.get("metadata") else {}
+                fiat_currency = metadata.get("fiat_currency")
+                fiat_amount = metadata.get("fiat_amount")
+
+                if fiat_currency and fiat_amount:
+                    # Initialize currency if not exists
+                    if fiat_currency not in fiat_balances:
+                        fiat_balances[fiat_currency] = 0.0
+
+                    # Calculate fiat balance based on account type
+                    if account.account_type == AccountType.LIABILITY:
+                        # Liability: credit increases (castle owes more), debit decreases
+                        if line["credit"] > 0:
+                            fiat_balances[fiat_currency] += fiat_amount
+                        elif line["debit"] > 0:
+                            fiat_balances[fiat_currency] -= fiat_amount
+                    elif account.account_type == AccountType.ASSET:
+                        # Asset (receivable): debit increases (user owes more), credit decreases
+                        if line["debit"] > 0:
+                            fiat_balances[fiat_currency] -= fiat_amount
+                        elif line["credit"] > 0:
+                            fiat_balances[fiat_currency] += fiat_amount
+
+            # Calculate satoshi balance
             if account.account_type == AccountType.LIABILITY:
                 total_balance += balance
             elif account.account_type == AccountType.ASSET:
                 total_balance -= balance
 
-        if total_balance != 0:  # Only include users with non-zero balance
+        if total_balance != 0 or fiat_balances:  # Include users with non-zero balance or fiat balances
             user_balances.append(
                 UserBalance(
-                    user_id=user_id, balance=total_balance, accounts=accounts
+                    user_id=user_id,
+                    balance=total_balance,
+                    accounts=accounts,
+                    fiat_balances=fiat_balances,
                 )
             )
 
diff --git a/models.py b/models.py
index 4dd80b1..45777e3 100644
--- a/models.py
+++ b/models.py
@@ -68,6 +68,7 @@ class UserBalance(BaseModel):
     user_id: str
     balance: int  # positive = castle owes user, negative = user owes castle
     accounts: list[Account] = []
+    fiat_balances: dict[str, float] = {}  # e.g. {"EUR": 250.0, "USD": 100.0}
 
 
 class ExpenseEntry(BaseModel):
diff --git a/static/js/index.js b/static/js/index.js
index 01a88c8..6876513 100644
--- a/static/js/index.js
+++ b/static/js/index.js
@@ -506,6 +506,14 @@ window.app = Vue.createApp({
     formatSats(amount) {
       return new Intl.NumberFormat().format(amount)
     },
+    formatFiat(amount, currency) {
+      return new Intl.NumberFormat('en-US', {
+        style: 'currency',
+        currency: currency,
+        minimumFractionDigits: 2,
+        maximumFractionDigits: 2
+      }).format(amount)
+    },
     formatDate(dateString) {
       return new Date(dateString).toLocaleDateString()
     },
diff --git a/templates/castle/index.html b/templates/castle/index.html
index 71997d5..0ac63bc 100644
--- a/templates/castle/index.html
+++ b/templates/castle/index.html
@@ -79,6 +79,11 @@
           <div class="text-h4" :class="balance.balance >= 0 ? 'text-negative' : 'text-positive'">
             {% raw %}{{ formatSats(Math.abs(balance.balance)) }} sats{% endraw %}
           </div>
+          <div v-if="balance.fiat_balances && Object.keys(balance.fiat_balances).length > 0" class="text-h6 q-mt-sm">
+            <span v-for="(amount, currency) in balance.fiat_balances" :key="currency" class="q-mr-md">
+              {% raw %}{{ formatFiat(Math.abs(amount), currency) }}{% endraw %}
+            </span>
+          </div>
           <div class="text-subtitle2" v-if="isSuperUser">
             {% raw %}{{ balance.balance > 0 ? 'Total you owe' : balance.balance < 0 ? 'Total owed to you' : 'No outstanding balances' }}{% endraw %}
           </div>
@@ -126,6 +131,11 @@
               <div :class="props.row.balance > 0 ? 'text-negative' : 'text-positive'">
                 {% raw %}{{ formatSats(Math.abs(props.row.balance)) }} sats{% endraw %}
               </div>
+              <div v-if="props.row.fiat_balances && Object.keys(props.row.fiat_balances).length > 0" class="text-caption">
+                <span v-for="(amount, currency) in props.row.fiat_balances" :key="currency" class="q-mr-sm">
+                  {% raw %}{{ formatFiat(Math.abs(amount), currency) }}{% endraw %}
+                </span>
+              </div>
               <div class="text-caption text-grey">
                 {% raw %}{{ props.row.balance > 0 ? 'You owe' : 'Owes you' }}{% endraw %}
               </div>
@@ -316,7 +326,14 @@
     <div class="text-h6 q-mb-md">Pay Balance</div>
 
     <div v-if="balance" class="q-mb-md">
-      Amount owed: <strong>{% raw %}{{ formatSats(Math.abs(balance.balance)) }}{% endraw %} sats</strong>
+      <div>
+        Amount owed: <strong>{% raw %}{{ formatSats(Math.abs(balance.balance)) }}{% endraw %} sats</strong>
+      </div>
+      <div v-if="balance.fiat_balances && Object.keys(balance.fiat_balances).length > 0" class="text-body2 q-mt-xs">
+        <span v-for="(amount, currency) in balance.fiat_balances" :key="currency" class="q-mr-md">
+          <strong>{% raw %}{{ formatFiat(Math.abs(amount), currency) }}{% endraw %}</strong>
+        </span>
+      </div>
     </div>
 
     <div v-if="!payDialog.paymentRequest">
diff --git a/views_api.py b/views_api.py
index 0316958..83db451 100644
--- a/views_api.py
+++ b/views_api.py
@@ -420,9 +420,23 @@ async def api_get_my_balance(
     if wallet.wallet.user == lnbits_settings.super_user:
         all_balances = await get_all_user_balances()
         total_owed = sum(b.balance for b in all_balances if b.balance > 0)
+
+        # Aggregate fiat balances from all users
+        total_fiat_balances = {}
+        for user_balance in all_balances:
+            for currency, amount in user_balance.fiat_balances.items():
+                if currency not in total_fiat_balances:
+                    total_fiat_balances[currency] = 0.0
+                # Only add positive balances (what castle owes)
+                if amount > 0:
+                    total_fiat_balances[currency] += amount
+
         # Return as castle's "balance" - positive means castle owes money
         return UserBalance(
-            user_id=wallet.wallet.user, balance=total_owed, accounts=[]
+            user_id=wallet.wallet.user,
+            balance=total_owed,
+            accounts=[],
+            fiat_balances=total_fiat_balances,
         )
 
     # For regular users, show their individual balance