How do I calculate a discount?

To calculate a discount, multiply the original price by the discount percentage (as a decimal). For example, to calculate a 20% discount on $100: $100 × 0.20 = $20. Then subtract this amount from the original price: $100 - $20 = $80.

What is the formula for discount percentage?

The formula is: (Discount Amount / Original Price) × 100. For example, if you save $20 on a $100 item, the discount percentage is ($20 / $100) × 100 = 20%.

How do I calculate the original price from the discounted price?

Divide the discounted price by (1 - discount percentage as decimal). For example, if you paid $80 after a 20% discount: $80 / (1 - 0.20) = $80 / 0.80 = $100.

Can I calculate multiple discounts?

Yes, but be careful. Multiple discounts are usually applied sequentially, not added together. For example, "50% off plus an extra 20% off" means you take 50% off first, then take 20% off the *new* price. The total discount is actually 60%, not 70%.

Is a discount the same as a markdown?

Yes, both terms refer to a reduction in price. "Discount" is often used from a consumer perspective (savings), while "markdown" is used from a retailer perspective (price reduction).

How do I calculate "Buy One Get One Free" (BOGO)?

Buy One Get One Free is effectively a 50% discount if you buy two items of the same price. If the items have different prices, the discount is usually applied to the cheaper item, so the total discount percentage will be less than 50%.

Discount Calculator

Calculate the final price after discount and see how much you save. Perfect for shopping, sales, and smart buying decisions.

Original Price

Discount (%)

Why Use Our Discount Calculator?

Instant Results

Get immediate calculations of your final price and savings without any delays.

100% Accurate

Uses standard percentage formulas to ensure precise discount calculations every time.

Easy to Use

Simple interface - just enter the original price and discount percentage to see your savings.

Free Forever

No registration, no hidden fees, no limits. Use our calculator as many times as you need.

Understanding Discount Calculations

How is it calculated?

Discount calculations use simple percentage formulas to determine how much you save and what you actually pay.

The Discount Formulas:

Savings = Original Price × (Discount % / 100)Final Price = Original Price - Savings

Original Price = The price before discount
Discount % = The percentage off (e.g., 20%)
Savings = The amount you save
Final Price = What you actually pay

Example Calculation

20% off $100

Savings = $100 × 0.20 = $20

Final Price = $100 - $20 = $80

50% off $50

Savings = $50 × 0.50 = $25

Final Price = $50 - $25 = $25

Multiple Discounts

When multiple discounts are applied, they are usually calculated sequentially, not added together:

Example: "50% off + 20% off" does NOT equal 70% off
First, apply 50% off: $100 → $50
Then, apply 20% off the new price: $50 → $40
Total discount: $60 (which is 60%, not 70%)

💡 Smart Shopping Tips

1. Compare Unit Prices

Don't just look at the discount percentage. Calculate the final price per unit to compare which deal is truly better.

2. Beware of Inflated Original Prices

Some retailers inflate the "original price" to make discounts look bigger. Research the typical market price before buying.

3. Calculate Before You Buy

Use this calculator while shopping to quickly determine if a sale is worth it and stays within your budget.

4. Stack Discounts When Possible

Look for opportunities to combine coupons, promo codes, and sales. Just remember they apply sequentially, not additively.

5. Don't Buy Just Because It's On Sale

A 50% discount on something you don't need is still wasted money. Only buy items you actually need or planned to purchase.

6. Use Browser Extensions

Install price comparison and coupon-finding extensions to automatically find better deals and apply the best discounts.