倍ばい額がく

noun

double the amount; twice the price

Used for money, fees, or numerical amounts that are doubled. Common in financial and legal contexts.

• 違い約やく金きんは倍ばい額がくになります。

  The penalty fee will be double the amount.

• 倍ばい額がくを支し払はらえば、アップグレードできます。

  If you pay twice the price, you can upgrade.