Discount calculator

Apply percentage or fixed discounts to see the reduced total.

You save
50.00
Final amount
450.00

How it works

Percent: Saving = Amount × Discount ÷ 100. Final = Amount − Saving

  1. Enter the amount

    Use the price or subtotal before the discount.

  2. Set the discount

    Choose percent or a fixed amount and enter the value.

  3. Check the result

    Use the saving and final amount on your invoice or quote.

Frequently asked questions

Quick answers about this calculator.

Should I discount before or after tax?

Usually before. Apply the discount to the subtotal, then calculate tax on the reduced amount.

Can the final amount go below zero?

No. A fixed discount larger than the amount gives a final amount of zero.

Put these numbers on an invoice.

Free, no sign-up and ready to download as a PDF.

Create invoice