Discounts, tips, margins, growth rates, and more. Get instant answers to any percentage question.
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From tips to taxes, margins to markups. All in one place.
What percentage is X of Y? Get the answer instantly.
See the final price and how much you save.
Calculate tips and split the bill with ease.
Add or remove tax from any price.
Find the new value after a percentage increase.
Find the new value after a percentage decrease.
See how much something changed in percent.
See how your investment grows over time.
Calculate your margin from cost and selling price.
Convert between markup and margin instantly.
Find the original value before the percent was applied.
See how each part contributes to the whole.
How much increase to reach your target?
Calculate interest on your principal over time.
Measure your return on any investment.
Calculate commissions from sales percentages.
See what percentage discount you're getting from any price drop.
Convert between fractions, decimals, and percentages instantly.
Turn any test score into a percentage and letter grade.