Private, client-side calculation

Double Discount Calculator

Calculate two successive discounts, the true combined discount, your final price and total savings — instantly in your browser.

STEP 01🏷️

Enter the original price

Add the product price before any discount is applied.

STEP 02％

Add both discounts

Enter the first and second percentage discounts in order.

STEP 03✓

Review the true savings

See the final price, combined discount and total amount saved.

Final Price

—

after both discounts

💳

Total Savings

—

amount saved

💰

Combined Discount

—

effective rate

％

After First

—

intermediate price

Second Saving

—

saved in step two

Your Details

Original price

Quantity

items

First discount 20%

First discount

Second discount

Second discount 15%

Discount Result

—FINAL PRICE

—Original

→

—After first

→

—Final

0% saved—100%

Enter your details and click Calculate.

Discount Metrics

—

First Saving

—

Second Saving

—

Total Saving

—

Combined Rate

—

Vs Added Rates

—

Quantity Total

SMART INSIGHT

Your result summary will appear here after calculation.

Calculation Breakdown

Original total—

First discount amount—

Price after first discount—

Second discount amount—

Final total—

Equivalent one-time discount—

Practical Tips

Discounts are sequentialThe second discount is applied to the already discounted price, not the original price.

Do not simply add ratesA 20% discount followed by 15% equals 32%, not 35%.

Check quantity totalsThe calculator multiplies the final unit price by the selected quantity.

Taxes may apply laterSales tax is usually calculated after discounts, depending on local rules.

Quick Comparison

Alternative one-time discount 30%

Double-discount final price—

Alternative final price—

Better deal—

Price difference—

Calculate first, then move the slider to compare.

Formula Reference

After first discountP × (1 − d₁)

Final priceP × (1 − d₁) × (1 − d₂)

Combined discount1 − (1 − d₁)(1 − d₂)

Total savingsOriginal − Final

Discount percentages in the formulas are written as decimals, such as 20% = 0.20.

Frequently Asked Questions

No. Successive discounts are multiplied, not added. For example, 20% followed by 15% gives a combined discount of 32% because the second discount applies to the reduced price.

For two percentage-only discounts, the final price is the same regardless of order because multiplication is commutative. The individual first and second saving amounts will differ, but the combined result stays the same.

The calculator uses 1 − (1 − first discount) × (1 − second discount). This converts two sequential discounts into one equivalent percentage.

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Pricing Information Disclaimer

This calculator provides general mathematical estimates only. Actual checkout totals may differ because of taxes, shipping, coupon restrictions, rounding rules, minimum purchase requirements or retailer-specific terms.

Double Discount Calculator

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