Seven percentage calculators in one: percentage of, percentage change, discount, tip, VAT, markup, and reverse percentage. Select the calculation type and enter numbers.
Open Percentage Calculator → free, no sign-inSeven different percentage calculations in one tool: percentage of a number, percentage change, discount calculation, tip calculator, VAT calculator, markup calculator, and reverse percentage. Select the type you need, enter the numbers, get the answer. No more calculating 20% off a price in your head.
Shopping, finance, business, VAT returns, tip splitting, price markup — percentage calculations come up constantly in everyday life, and having the right formula already selected saves the mental overhead of working out which one to use.
No tutorials. No learning curve. Open it and get started.
No server uploads. Seven calculation types in one — covers everything from basic 'what is X% of Y' to reverse percentage and VAT.
Completely free. No trial period. No premium tier for basic functionality. No account required. Use it as often as you need.
One job, done well. Percentage Calculator was built to solve a specific problem cleanly. No feature bloat, no ads, no distractions.
What is percentage change?
((New Value - Old Value) / Old Value) × 100. Positive = increase, negative = decrease.
What is a reverse percentage?
Finding the original value before a percentage was applied — for example, if a price is £120 after a 20% increase, the original was £100.
How do I calculate VAT?
Select the VAT tab, enter the pre-tax amount and VAT rate.
How do I calculate a 15% tip?
Select the tip tab and enter the bill total.
What is markup vs margin?
Markup is the percentage added to cost. Margin is the percentage of the selling price that is profit.
Free. Instant. No sign-in. Open it and get the job done.
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