Free Percentage Calculator
Solve any percentage problem in seconds. Simple, accurate, and free.
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Percentage Calculator
What can you calculate?
Percentages can be tricky. Our tool handles the math for you so you can focus on the results.
Supported Calcs:
- Basic Percentage: What is 20% of 150?
- Percentage Difference: The change from 50 to 75.
- Common Phrases: "25 is what percent of 100?"
Use the Tab key to move between fields and Enter to calculate. It's designed for speed!
How to Calculate Percentages
Step 1: Enter Numbers
Type the values you want to calculate percentages for.
Step 2: Choose Calculation Type
Select from basic percentage, percentage difference, or phrase-based calculation.
Step 3: Get Your Answer
Results appear instantly. Use Tab to move between fields for speed.
Frequently Asked Questions
To find X% of Y: multiply Y by X and divide by 100. For example, 20% of 150 = 150 × 20 / 100 = 30. Our tool does this instantly.
Percentage increase = ((New Value - Old Value) / Old Value) × 100. For example, going from 50 to 75 is a 50% increase.
Percentage change has a direction (increase/decrease) from an old value. Percentage difference is the absolute difference between two values relative to their average.
Yes! Our calculator supports decimal numbers for precise calculations like tax rates (18.5%) or scientific computations.