This free online percentage calculator can calculate percentages the following three ways.
1. What percentage is one number of another number.
2. What unknown number is a given percentage of another number.
3. What unknown number is a given number a given percentage of.
Plus, unlike other online percentage calculators, this percent calculator allows you to choose the decimal rounding, explains how it arrived at the given result, and shows a visual representation of the result in a pie chart.
Other Percent-Related Calculators
- Percent Off Calculator for calculating the sale price from the regular price and markdown percentage -- with our without sales tax.
- Percentage Change Calculator for calculating the percent change between one number and another number.