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Percent Calculator
Processed on your device · No uploadsQuickly calculate percentages, changes & ratios.
Calculate the value of a given percentage of a total.
% of is
Calculate what percentage a value is of a total.
out of is %
Calculate the percentage increase or decrease between two values.
From to is % change
Calculate the result after increasing or decreasing a value by a percentage.
by % is
How to Use the Percent Calculator
- Choose one of the 4 calculation modes.
- Enter your numbers — the result updates in real time.
- Read your result. Use the 'Reset' button to start over.
The percentage calculator handles discounts, growth rates, and ratios quickly and accurately. From sale prices to grades and statistics to price increases, it covers the percentage math you run into every day across four modes.
Four calculation modes
① the value that is a given % of a total, ② what percentage one value is of a total, ③ the increase or decrease between two values, and ④ the result after raising or lowering a base value by a percentage. Results update live as you type.
Discount price example
For a $40 item at 30% off, use the 'decrease' mode with a base of 40 and 30%, and the final price appears instantly. It calculates to two decimal places, which is handy for price tags and quotes.
Frequently Asked Questions
- What percentage calculations are available?
- Calculate a percentage of a value, find what percent a number is, compute percentage change between two values, or increase/decrease by a percentage.
- How precise are the calculations?
- Results are calculated to 3 decimal places for maximum precision.
- Can I calculate discounts?
- Yes, use the 'increase/decrease' mode and select 'decrease' to calculate the price after a discount.
- Does it handle decimals?
- Yes. It calculates accurately to two decimal places.
- Can it calculate discount prices?
- Yes. Enter the discount in 'decrease' mode to get the price after the discount.