About the Coupon Savings Calculator
Total savings from coupons and promo codes on a cart — percent-off or fixed-amount — and the final total.
Also known as: promo code savings, coupon discount, voucher calculator.
How to use this calculator
- Enter cart total, percent-off coupon, fixed-amount coupon, minimum spend for coupon.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Total = cart × (1 − %) − fixed
Worked example
Using the values pre-filled in the calculator above:
- Cart total = 145
- Percent-off coupon = 15 %
- Fixed-amount coupon = 10
- Minimum spend for coupon = 100
the calculator returns:
- Total after coupons: 113.25
- Savings: 31.75
- Effective discount: 21.9%