This free online percentage calculator handles two common tasks at once: work out what percent one value is of another, or find the actual value that a given percentage represents. Use whichever section below matches what you need.
Calculate Percentage
Find Value from Percentage
How to Use the Percentage Calculator
To find what percentage one number is of another, enter the "Total Value" and "Part Value" under "Calculate Percentage", then click "Calculate Percentage".
To find the value a percentage represents, enter the "Total Value" and "Percentage (%)" under "Find Value from Percentage", then click "Calculate Value".
Read the result shown in the blue alert box under each section.
Frequently Asked Questions
It divides the Part Value by the Total Value and multiplies by 100, giving you the percentage that the part represents of the whole, rounded to two decimal places.
It multiplies the Total Value by the Percentage and divides by 100, giving the actual value that percentage represents, rounded to two decimal places.
If any required field in a section is left blank, that section shows "Invalid input!" instead of a numeric result.
Yes, both percentage tools on this page are completely free with no sign-up required.