How do you calculate a 20% discount?

Multiply the original price by 0.20 to find savings, then subtract that from the original price (or simply multiply original price by 0.80).

What is a double or stacked discount?

A double discount applies a secondary discount to the already reduced price rather than adding percentages together.

Yes! Enter your local sales tax percentage to see the exact out-of-pocket register total.

Yes, perfect for quickly calculating sale prices while shopping in stores.

Type the initial retail sticker price.

Input the main store discount (e.g. 25% off).

Optionally add stacked coupon discounts or local sales tax.

See your final price to pay and total dollars saved.

The formula for calculating discounted sale prices:

Savings = OriginalPrice × (Discount% / 100)
FinalPrice = (OriginalPrice - Savings) × (1 + Tax% / 100)

Supports primary discount and secondary stacked coupon codes

Integrated sales tax calculation

Displays final price and total money saved

Instant calculation on input change

Great for Black Friday and retail sales

Stacked discounts apply sequentially (e.g. 20% off plus an extra 10% is 28% total off, not 30%).
Always verify store return policies on final clearance items.

Calculate percentages, exam marks percentage, discounts, and proportion ratios.

Add or remove Value Added Tax (VAT) and calculate net, gross, and tax amounts.

Calculate gross profit margin percentage, net profit, and markup from cost and revenue.