Discount Calculator

Calculate the final price after a discount and see how much you save. Works for percentage off and fixed amount discounts.

Calculate sale prices and savings from discounts.

About This Calculator

The Discount Calculator instantly shows you the sale price and total savings from any discount. Never wonder if a deal is worth it—see the actual dollar amount you'll save and make smarter shopping decisions.

Whether it's a percentage off, a fixed discount, or a buy-one-get-one deal, knowing the true savings helps you compare offers and decide if a "sale" is actually a good deal.

Discount Formulas

Discount Amount = Original Price × (Discount % ÷ 100)

Sale Price = Original Price - Discount Amount

Common Discount Types

Type	Example	Best For
Percentage Off	25% off	Most common
Fixed Amount	$20 off	Lower-priced items
BOGO	Buy 1 Get 1 50% off	Multiple purchases
Tiered	$10 off $50+	Bulk buying

Pro Tips

Compare price per unit when buying different sizes
Stack coupons with sales for maximum savings
Check price history—some "sales" aren't real discounts
Consider if you'd buy at full price before discount shopping

Scenario Comparison: Discount Savings by Price Point

Original Price	10% Off	25% Off	40% Off	50% Off
$50	$45 (save $5)	$37.50 (save $12.50)	$30 (save $20)	$25 (save $25)
$100	$90 (save $10)	$75 (save $25)	$60 (save $40)	$50 (save $50)
$200	$180 (save $20)	$150 (save $50)	$120 (save $80)	$100 (save $100)
$500	$450 (save $50)	$375 (save $125)	$300 (save $200)	$250 (save $250)

Common Discount Mistakes to Avoid

Buying just because it's on sale: A 50% discount on something you don't need is still 100% wasted money. Only buy items you'd consider at full price.
Ignoring price-per-unit math: A "bigger size" isn't always better value. Calculate cost per ounce/item to find the true best deal.
Missing stacking opportunities: Combine store sales + manufacturer coupons + cashback apps for maximum savings. Stack discounts legally for 40-60% off.
Falling for inflated "original" prices: Some retailers inflate MSRPs to make discounts look bigger. Check price history with browser extensions like CamelCamelCamel.

Discount Type Comparison Guide

Discount Type	When It's Better	Example
Percentage off	Higher-priced items	20% off $200 = $40 saved
Fixed $ off	Lower-priced items	$20 off $50 = 40% effective discount
BOGO	Items you need multiples of	Buy 1 get 1 50% off = 25% total savings
Threshold discount	Bulk buying planned items	$30 off $100+ purchase

When to Use This Calculator vs Others

This calculator: Best for quickly calculating sale prices and comparing discount offers before purchasing.
Sales Tax Calculator: Use after finding the discounted price to calculate the final total including tax.
Tip Calculator: For restaurant discounts, remember to tip on the original (pre-discount) amount for fairness.
Budget Calculator: Use to determine if the discounted item fits within your monthly spending plan.

Related tools: Sales Tax Calculator for total cost, Tip Calculator for restaurant bills, and Budget Calculator for spending limits.

Frequently Asked Questions

How is discount calculated?

Discount Amount = Original Price × (Discount % ÷ 100). Sale Price = Original Price - Discount Amount. For 25% off $100: Savings = $25, Sale Price = $75.

How to calculate original price from discount?

Original Price = Sale Price ÷ (1 - Discount %). If sale price is $75 after 25% off: Original = $75 ÷ 0.75 = $100.

What is better 20% off or $20 off?

Compare: 20% off $100 = $20 savings. $20 off = $20 savings. They're equal at $100. For items over $100, percentage wins. Under $100, fixed amount wins.