iHow it is calculated
The final price is found by subtracting the discount from the original price:
final price = price × (1 − discount ÷ 100)
At £200 with a 25% discount: you save £50, and the final price is £150.
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Business & Commerce · Updated 2026
Discount Calculator
Find the final price after a percentage discount and how much you save, from the original price and the discount rate.
Enter your data
£
%
Enter the original price and the discount percentage. See how much you save and the final price.
=Final price
150£
Original price200 £
You save 25%−50 £
Final price150 £
The discount applies to the original price. For successive discounts, apply them one by one — two 20% discounts are not 40% but 36%.
200 → 150 £ (You save 50 £)Real-estate and business calculations. Standard formulas for commissions, price per m², margins and markups. Instant in-browser calculation, no account, no data sent. Last updated: 11 July 2026 · gov.uk: consumer protection rights.
⚖︎ Results are for informational purposes and do not constitute tax advice. For specific situations, consult a licensed accountant or the relevant tax authority.
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?Frequently asked questions
How do I calculate a percentage discount?
Multiply the price by (1 − discount/100). For example, at £200 with a 25% discount: 200 × 0.75 = £150, and the saving is £50.
How much do I pay after a 25% discount?
You pay 75% of the price. At £200 you pay £150. At 50% you pay half, and at 70% only 30% of the original price.
How do I find out how much I saved?
Multiply the price by the discount percentage divided by 100. At £200 and 25%: 200 × 0.25 = £50 saved.
How are successive discounts calculated?
They apply one by one, not by adding. Two 20% discounts on £100 give 100 × 0.8 × 0.8 = £64, a total discount of 36%, not 40%.
Does the discount apply before or after VAT?
Usually to the displayed price, which already includes 20% VAT. UK retailers apply the discount to the shelf price, so you see the final amount directly.
How do I find the original price from a discounted price?
Divide the discounted price by (1 − discount/100). If a product costs £150 after a 25% discount: 150 ÷ 0.75 = £200 original price.
What does a 50% discount mean?
It means you pay half the original price. A £200 product costs £100. It is the easiest discount to work out in your head.
How do I compare two offers with different discounts?
Compare the final price, not the percentage. A 30% discount on a high price can mean a higher final amount than 50% on a low price.
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