Tax Calculator
Add tax to a net price or extract tax from a gross price.
Open Tax CalculatorPercentage Calculator
Three quick calculators for the percentage questions that come up every day: what a percentage of a number is, how one number compares to another, and how much something grew or shrank. Each one shows the formula it uses.
How to use
- Pick the calculation you need from the three sections below.
- Type your numbers — results update as you type.
- Negative numbers are not accepted; fix any highlighted field.
- Read the result together with the formula that produced it.
What is X% of Y?
Find a percentage of a number — for example, 20% of 250.
Percentage is required.
Value is required.
Enter both values to see the result.
X is what % of Y?
Compare one number against another — for example, 45 is what % of 180?
First value is required.
Second value is required.
Enter both values to see the result.
Percentage increase / decrease
Measure change between two values — for example, from 120 to 150.
Original value is required.
New value is required.
Enter both values to see the result.
Related calculators
Discount Calculator
Find final prices, discount amounts, and savings percentages.
Open Discount CalculatorProfit Margin Calculator
Compare profit margin vs. markup from cost and selling price.
Open Profit Margin Calculator