Calculators
Calculate Percentages Quickly
100% Free No Signup Runs in Browser
Calculate percentage from your inputs with a quick browser-based result.
Working with spreadsheet rows? Use the Bulk Percentage Calculator. Open bulk calculator →
Direct Answer
Use the Percentage Calculator when you need to find what percent one number is of another, calculate a percent of a value, or solve a missing percentage value for school, work, shopping, or reports.
When You Know the Question but Not the Formula
People often ask percentage questions in plain language: what is 20% of 80, what percent is 15 out of 60, or how much did a value change. This calculator is built for those everyday percentage jobs.
How to Use Percentage Calculator
- Fill in the input fields with your values.
- The result calculates automatically as you type.
- For spreadsheet work, switch to Bulk paste and paste rows copied from Excel or Google Sheets.
- Copy the result column and paste it back into your spreadsheet.
- Use the Copy result button to copy the output to your clipboard.
- Press Reset to clear all fields and start again.
Formula Reference
| Feature | Details |
|---|---|
| Purpose | Calculate a numeric answer from the values entered. |
| Single input | Numbers, dates, rates, or options depending on the calculator. |
| Bulk input | Rows copied from Excel, Google Sheets, CSV, or tab-separated columns. |
| Bulk output | A copyable result column or full table that can be pasted back into a spreadsheet. |
| Best for | Quick checks, homework, finance estimates, planning, everyday math, and spreadsheet cleanup. |
| Category | Calculators |
| Works on | Desktop, tablet, and mobile browsers |
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Frequently Asked Questions
How do I calculate what percentage one number is of another?
Divide the part by the total, then multiply by 100. For example, 25 out of 200 is 25 / 200 x 100 = 12.5%.
How do I find 20 percent of a number?
Convert 20% to 0.20, then multiply by the number. For example, 20% of 80 is 0.20 x 80 = 16.
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