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Percentage Calculator Online — Free Percent Calculator
Calculate percentages, percentage change, and percentage of a number online for free. Instant results with formulas shown. No signup required.
Calculate percentages, percentage change, and percentage of a number. Common uses include discounts, tips, tax, and grade calculations.
How to use Percentage Calculator Online — Free Percent Calculator
- Choose the calculation type (X% of Y, X is what % of Y, or % change).
- Enter the known values.
- Read the result instantly.
Features
- Three modes: percentage of a number, what percentage one number is of another, and percentage change.
- Handles decimal values and negative numbers.
- Instant calculation as you type.
- Shows the formula used for each calculation.
FAQ
How do I calculate percentage of a number?
Enter the values and select Percent of a Number. The formula is: (part / whole) x 100 = percentage. Our calculator does this instantly.
What is percentage change vs percentage difference?
Percentage change measures increase/decrease from an original value. Percentage difference compares two values relative to their average.
Can I calculate tips with this?
For restaurant tips, try our dedicated Tip Calculator which also splits bills between multiple people.
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