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Provense. Online Accountants

Discount calculator

Take a percentage off a price to see what you pay and how much you save — or work backwards to find the discount percentage.

Your figures

What do you want to do?

We’ve started you on “Take a % off”. Switch to find the discount instead.

Percentage off the original price.

Your result

You pay

£0

 

Original price
£0
Discount
0%
You save
£0
Sale price
£0
Check the margin after discount

A straightforward percentage calculator. It works on the price you enter and doesn’t add or remove VAT — use our VAT calculator for that.

Whether you’re pricing a sale, checking a deal or setting a markdown, this works both ways: take a percentage off a price to see the final figure and your saving, or enter the original and sale price to find the exact discount percentage.

Discounting eats margin fast

A discount comes straight off your profit, not your cost — so a small markdown can wipe out a big slice of margin. On a product with a 40% gross margin, a 20% discount halves your profit. Before you run a sale, it’s worth checking what’s left with the margin calculator.

Stacked discounts don’t add up

“20% off, then an extra 10%” feels like 30% — but the second cut comes off the already-reduced price, so it’s really 28% off. The more discounts you stack, the wider the gap. Always work out the final price, not the headline percentages.

In plain English

The terms, explained

New to this? Here’s what the words on this page actually mean.

Original price
The full price before any discount is applied.
Discount
The percentage taken off the original price.
Sale price
What you actually pay after the discount — the original price minus the saving.
You save
The cash amount the discount takes off the original price.
FAQ

Discount calculator — your questions answered

How do I calculate a percentage discount?
Multiply the original price by the discount percentage divided by 100 to get the saving, then subtract it from the original price. For example, 20% off £50 is £50 × 0.20 = £10 saved, so you pay £40. Enter your figures above and it’s done for you.
How do I work out what percentage discount I got?
Subtract the sale price from the original price to get the saving, divide that by the original price and multiply by 100. A £50 item reduced to £35 is a £15 saving, and £15 ÷ £50 = 30% off. Switch the calculator to “Find the discount %” above.
How do two discounts stack — is 20% then 10% off the same as 30% off?
No. Applying 20% then a further 10% gives 28% off, not 30%, because the second discount comes off the already-reduced price. Successive discounts always total less than adding the percentages together.
Does the discount come off before or after VAT?
On a normal retail price the figure already includes VAT, so the discount comes off the gross price and the VAT reduces with it. If you’re a business working in net prices, apply the discount first and add VAT afterwards. Our VAT calculator handles the VAT step.
Need a hand with this?

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A calculator gives you a number; we give you a plan to pay less. Explore the services and specialists this relates to:

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