noun
total amount; aggregate sum
A straightforward noun for the total sum of money or figures, often used in financial or accounting contexts.
今月の支出の合計額を計算してください。
Please calculate the total amount of this month's expenses.
請求書の合計額は10万円です。
The total amount on the invoice is 100,000 yen.
総額 also means 'total amount' but is often used for larger-scale totals like national budgets or total assets, whereas 合計額 is more common for everyday sums.
Compound of 合計 (ごうけい, 'total') and 額 (がく, 'amount').