diff --git a/app/Http/Controllers/Expenses/Bills.php b/app/Http/Controllers/Expenses/Bills.php
index 5c7a99c66..4b25f6513 100644
--- a/app/Http/Controllers/Expenses/Bills.php
+++ b/app/Http/Controllers/Expenses/Bills.php
@@ -142,6 +142,7 @@ class Bills extends Controller
         $bill_item = [];
         $bill_item['company_id'] = $request['company_id'];
         $bill_item['bill_id'] = $bill->id;
+        $bill_item['currency_code'] = $request['currency_code'];
 
         if ($request['item']) {
             foreach ($request['item'] as $item) {
@@ -214,7 +215,9 @@ class Bills extends Controller
             $s_total = $s_total - $s_discount;
         }
 
-        $request['amount'] = $s_total + $tax_total;
+        $amount = $s_total + $tax_total;
+
+        $request['amount'] = money($amount, $request['currency_code'])->getAmount();
 
         $bill->update($request->input());
 
@@ -354,6 +357,7 @@ class Bills extends Controller
         $bill_item = [];
         $bill_item['company_id'] = $request['company_id'];
         $bill_item['bill_id'] = $bill->id;
+        $bill_item['currency_code'] = $request['currency_code'];
 
         if ($request['item']) {
             BillItem::where('bill_id', $bill->id)->delete();
@@ -420,7 +424,9 @@ class Bills extends Controller
             $s_total = $s_total - $s_discount;
         }
 
-        $request['amount'] = $s_total + $tax_total;
+        $amount = $s_total + $tax_total;
+
+        $request['amount'] = money($amount, $request['currency_code'])->getAmount();
 
         $bill->update($request->input());
 
@@ -488,10 +494,10 @@ class Bills extends Controller
      */
     public function export()
     {
-        \Excel::create('bills', function($excel) {
+        \Excel::create('bills', function ($excel) {
             $bills = Bill::with(['items', 'histories', 'payments', 'totals'])->filter(request()->input())->get();
 
-            $excel->sheet('invoices', function($sheet) use ($bills) {
+            $excel->sheet('invoices', function ($sheet) use ($bills) {
                 $sheet->fromModel($bills->makeHidden([
                     'company_id', 'parent_id', 'created_at', 'updated_at', 'deleted_at', 'attachment', 'discount', 'items', 'histories', 'payments', 'totals', 'media'
                 ]));
@@ -499,10 +505,11 @@ class Bills extends Controller
 
             $tables = ['items', 'histories', 'payments', 'totals'];
             foreach ($tables as $table) {
-                $excel->sheet('bill_' . $table, function($sheet) use ($bills, $table) {
+                $excel->sheet('bill_' . $table, function ($sheet) use ($bills, $table) {
                     $hidden_fields = ['id', 'company_id', 'created_at', 'updated_at', 'deleted_at', 'title'];
 
                     $i = 1;
+
                     foreach ($bills as $bill) {
                         $model = $bill->$table->makeHidden($hidden_fields);
 
@@ -750,6 +757,7 @@ class Bills extends Controller
             'code' => 'sub_total',
             'name' => 'bills.sub_total',
             'amount' => $sub_total,
+            'currency_code' => $bill->currency_code,
             'sort_order' => $sort_order,
         ]);
 
@@ -763,6 +771,7 @@ class Bills extends Controller
                 'code' => 'discount',
                 'name' => 'bills.discount',
                 'amount' => $discount_total,
+                'currency_code' => $bill->currency_code,
                 'sort_order' => $sort_order,
             ]);
 
@@ -781,6 +790,7 @@ class Bills extends Controller
                     'code' => 'tax',
                     'name' => $tax['name'],
                     'amount' => $tax['amount'],
+                    'currency_code' => $bill->currency_code,
                     'sort_order' => $sort_order,
                 ]);
 
@@ -795,6 +805,7 @@ class Bills extends Controller
             'code' => 'total',
             'name' => 'bills.total',
             'amount' => $sub_total + $tax_total,
+            'currency_code' => $bill->currency_code,
             'sort_order' => $sort_order,
         ]);
     }
diff --git a/app/Http/Kernel.php b/app/Http/Kernel.php
index 7cd66486d..591a4db20 100644
--- a/app/Http/Kernel.php
+++ b/app/Http/Kernel.php
@@ -95,5 +95,9 @@ class Kernel extends HttpKernel
         'dateformat.due_at' => \App\Http\Middleware\DateFormatDueAt::class,
         'dateformat.billed_at' => \App\Http\Middleware\DateFormatBilledAt::class,
         'dateformat.invoiced_at' => \App\Http\Middleware\DateFormatInvoicedAt::class,
+        'money.amount' => \App\Http\Middleware\MoneyAmount::class,
+        'money.price' => \App\Http\Middleware\MoneyPrice::class,
+        'money.total' => \App\Http\Middleware\MoneyTax::class,
+        'money.tax' => \App\Http\Middleware\MoneyTotal::class,
     ];
 }
diff --git a/app/Http/Middleware/MoneyAmount.php b/app/Http/Middleware/MoneyAmount.php
new file mode 100644
index 000000000..9f9136d82
--- /dev/null
+++ b/app/Http/Middleware/MoneyAmount.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+
+class MoneyAmount
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        if ($request->method() == 'POST' || $request->method() == 'PATCH') {
+            $currency_code = $request->get('currency_code');
+
+            if (empty($currency_code)) {
+                $currency_code = setting('general.default_currency');
+            }
+
+            $amount = money($request->get('amount'), $currency_code)->getAmount();
+
+            $request->request->set('amount', $amount);
+        }
+
+        return $next($request);
+    }
+}
diff --git a/app/Http/Middleware/MoneyPrice.php b/app/Http/Middleware/MoneyPrice.php
new file mode 100644
index 000000000..70aba95d9
--- /dev/null
+++ b/app/Http/Middleware/MoneyPrice.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+
+class MoneyPrice
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        if ($request->method() == 'POST' || $request->method() == 'PATCH') {
+            $currency_code = $request->get('currency_code');
+
+            if (empty($currency_code)) {
+                $currency_code = setting('general.default_currency');
+            }
+
+            $price = money($request->get('price'), $currency_code)->getAmount();
+
+            $request->request->set('price', $price);
+        }
+
+        return $next($request);
+    }
+}
diff --git a/app/Http/Middleware/MoneyTax.php b/app/Http/Middleware/MoneyTax.php
new file mode 100644
index 000000000..3cf2e67cd
--- /dev/null
+++ b/app/Http/Middleware/MoneyTax.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+
+class MoneyTax
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        if ($request->method() == 'POST' || $request->method() == 'PATCH') {
+            $currency_code = $request->get('currency_code');
+
+            if (empty($currency_code)) {
+                $currency_code = setting('general.default_currency');
+            }
+
+            $tax = money($request->get('tax'), $currency_code)->getAmount();
+
+            $request->request->set('tax', $tax);
+        }
+
+        return $next($request);
+    }
+}
diff --git a/app/Http/Middleware/MoneyTotal.php b/app/Http/Middleware/MoneyTotal.php
new file mode 100644
index 000000000..9d3306f30
--- /dev/null
+++ b/app/Http/Middleware/MoneyTotal.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+
+class MoneyTotal
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        if ($request->method() == 'POST' || $request->method() == 'PATCH') {
+            $currency_code = $request->get('currency_code');
+
+            if (empty($currency_code)) {
+                $currency_code = setting('general.default_currency');
+            }
+
+            $total = money($request->get('total'), $currency_code)->getAmount();
+
+            $request->request->set('total', $total);
+        }
+
+        return $next($request);
+    }
+}
diff --git a/app/Models/Expense/Bill.php b/app/Models/Expense/Bill.php
index ec883c64a..3ae017282 100644
--- a/app/Models/Expense/Bill.php
+++ b/app/Models/Expense/Bill.php
@@ -145,7 +145,7 @@ class Bill extends Model
      */
     public function setAmountAttribute($value)
     {
-        $this->attributes['amount'] = (double) money($value, $this->attributes['currency_code'])->getAmount();
+        $this->attributes['amount'] = (double) $value;
     }
 
     /**
diff --git a/app/Models/Expense/BillPayment.php b/app/Models/Expense/BillPayment.php
index 243208039..339c48b69 100644
--- a/app/Models/Expense/BillPayment.php
+++ b/app/Models/Expense/BillPayment.php
@@ -61,7 +61,7 @@ class BillPayment extends Model
      */
     public function setAmountAttribute($value)
     {
-        $this->attributes['amount'] = (double) money($value, $this->account->currency_code)->getAmount();
+        $this->attributes['amount'] = (double) $value;
     }
 
     /**
diff --git a/app/Models/Expense/Payment.php b/app/Models/Expense/Payment.php
index 29b639f2e..c4d349e4e 100644
--- a/app/Models/Expense/Payment.php
+++ b/app/Models/Expense/Payment.php
@@ -113,7 +113,7 @@ class Payment extends Model
      */
     public function setAmountAttribute($value)
     {
-        $this->attributes['amount'] = (double) money($value, $this->attributes['currency_code'])->getAmount();
+        $this->attributes['amount'] = (double) $value;
     }
 
     /**
diff --git a/app/Models/Income/InvoicePayment.php b/app/Models/Income/InvoicePayment.php
index 2d5943361..fe726b632 100644
--- a/app/Models/Income/InvoicePayment.php
+++ b/app/Models/Income/InvoicePayment.php
@@ -61,7 +61,7 @@ class InvoicePayment extends Model
      */
     public function setAmountAttribute($value)
     {
-        $this->attributes['amount'] = (double) money($value, $this->account->currency_code)->getAmount();
+        $this->attributes['amount'] = (double) $value;
     }
 
     /**
diff --git a/app/Models/Income/Revenue.php b/app/Models/Income/Revenue.php
index 1d23b9ff9..09cb52f3f 100644
--- a/app/Models/Income/Revenue.php
+++ b/app/Models/Income/Revenue.php
@@ -119,7 +119,7 @@ class Revenue extends Model
      */
     public function setAmountAttribute($value)
     {
-        $this->attributes['amount'] = (double) money($value, $this->attributes['currency_code'])->getAmount();
+        $this->attributes['amount'] = (double) $value;
     }
 
     /**
diff --git a/routes/web.php b/routes/web.php
index 588a86f32..d3643d7ef 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -53,7 +53,7 @@ Route::group(['middleware' => 'language'], function () {
                 Route::get('invoices/{invoice}/print', 'Incomes\Invoices@printInvoice');
                 Route::get('invoices/{invoice}/pdf', 'Incomes\Invoices@pdfInvoice');
                 Route::get('invoices/{invoice}/duplicate', 'Incomes\Invoices@duplicate');
-                Route::post('invoices/payment', 'Incomes\Invoices@payment')->middleware(['dateformat.paid_at'])->name('invoice.payment');
+                Route::post('invoices/payment', 'Incomes\Invoices@payment')->middleware(['dateformat.paid_at', 'money.amount'])->name('invoice.payment');
                 Route::delete('invoices/payment/{payment}', 'Incomes\Invoices@paymentDestroy');
                 Route::post('invoices/import', 'Incomes\Invoices@import')->name('invoices.import');
                 Route::get('invoices/export', 'Incomes\Invoices@export')->name('invoices.export');
@@ -61,7 +61,7 @@ Route::group(['middleware' => 'language'], function () {
                 Route::get('revenues/{revenue}/duplicate', 'Incomes\Revenues@duplicate');
                 Route::post('revenues/import', 'Incomes\Revenues@import')->name('revenues.import');
                 Route::get('revenues/export', 'Incomes\Revenues@export')->name('revenues.export');
-                Route::resource('revenues', 'Incomes\Revenues', ['middleware' => ['dateformat.paid_at']]);
+                Route::resource('revenues', 'Incomes\Revenues', ['middleware' => ['dateformat.paid_at', 'money.amount']]);
                 Route::get('customers/currency', 'Incomes\Customers@currency');
                 Route::get('customers/{customer}/duplicate', 'Incomes\Customers@duplicate');
                 Route::post('customers/customer', 'Incomes\Customers@customer');
@@ -78,15 +78,15 @@ Route::group(['middleware' => 'language'], function () {
                 Route::get('bills/{bill}/print', 'Expenses\Bills@printBill');
                 Route::get('bills/{bill}/pdf', 'Expenses\Bills@pdfBill');
                 Route::get('bills/{bill}/duplicate', 'Expenses\Bills@duplicate');
-                Route::post('bills/payment', 'Expenses\Bills@payment')->middleware(['dateformat.paid_at'])->name('bill.payment');
+                Route::post('bills/payment', 'Expenses\Bills@payment')->middleware(['dateformat.paid_at', 'money.amount'])->name('bill.payment');
                 Route::delete('bills/payment/{payment}', 'Expenses\Bills@paymentDestroy');
                 Route::post('bills/import', 'Expenses\Bills@import')->name('bills.import');
                 Route::get('bills/export', 'Expenses\Bills@export')->name('bills.export');
-                Route::resource('bills', 'Expenses\Bills', ['middleware' => ['dateformat.billed_at', 'dateformat.due_at']]);
+                Route::resource('bills', 'Expenses\Bills', ['middleware' => ['dateformat.billed_at', 'dateformat.due_at', 'money.price', 'money.tax', 'money.total']]);
                 Route::get('payments/{payment}/duplicate', 'Expenses\Payments@duplicate');
                 Route::post('payments/import', 'Expenses\Payments@import')->name('payments.import');
                 Route::get('payments/export', 'Expenses\Payments@export')->name('payments.export');
-                Route::resource('payments', 'Expenses\Payments', ['middleware' => ['dateformat.paid_at']]);
+                Route::resource('payments', 'Expenses\Payments', ['middleware' => ['dateformat.paid_at', 'money.amount']]);
                 Route::get('vendors/currency', 'Expenses\Vendors@currency');
                 Route::get('vendors/{vendor}/duplicate', 'Expenses\Vendors@duplicate');
                 Route::post('vendors/vendor', 'Expenses\Vendors@vendor');