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A coupon calculator determines your net price after applying coupons (percentage or fixed-value) plus cashback rewards. It shows the step-by-step reduction so you know exactly what you pay.

공식

Coupon % off: Saving = Price × (Coupon% ÷ 100)

단계별 가이드

1Coupon % off: Saving = Price × (Coupon% ÷ 100)
2Coupon $ off: Saving = fixed dollar amount (capped at price)
3Cashback applies to the post-coupon price
4Net Cost = Original − Coupon Saving − Cashback Amount

풀어진 예시

입력

$80, 20% coupon, 5% cashback

결과

After coupon $64.00, after cashback $60.80, saved $19.20

입력

$150, $20 off coupon, $10 cashback

결과

After coupon $130, after cashback $120, saved $30

입력

$200, 30% coupon, 10% cashback

결과

After coupon $140, after cashback $126, saved $74

자주 묻는 질문

What is Coupon?

A coupon calculator determines your net price after applying coupons (percentage or fixed-value) plus cashback rewards. It shows the step-by-step reduction so you know exactly what you pay

How accurate is the Coupon calculator?

The calculator uses the standard published formula for coupon. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Coupon calculator use?

This calculator works with inches, dollars, percentages. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Coupon calculator use?

The core formula is: Coupon % off: Saving = Price × (Coupon% ÷ 100). Each step in the calculation is shown so you can verify the result manually.

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