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Discount and Coupon Calculator

Calculate final payable price, average item price, stacked discounts, coupons, threshold discounts, subsidies, shipping, and effective discount rate.

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Stacked discount estimate

Calculate final price after stacked discounts, coupons, threshold reductions, subsidies, and shipping.

Final payable

¥169.30

Average item price ¥84.65

Total discount

¥88.70

Saved 34.38%

Effective discount

65.62%

Lower means a larger discount

Original total
¥258.00
Discounted amount
¥219.30
Coupon amount
-¥20.00
Threshold discount
-¥30.00
Platform / merchant subsidy
-¥0.00
Shipping fee
¥0.00

Calculation Formula

Original total = item price x quantity.

Payable before shipping = discounted amount - coupon - threshold reduction - subsidy.

Final payable = payable before shipping + shipping fee.

FAQ

What does effective discount rate mean?

Effective discount rate = final item payable / original total. A lower rate means a larger discount.

Is shipping included in the discount rate?

The discount rate focuses on item price. Shipping is added to the final payable amount separately.