Percentage Calculator
Calculate percentages, ratios, and percentage changes quickly
Calculate Percentage
Calculate Ratio
Calculate Percentage Change
About Percentage Calculator
A streamlined percentage calculator that handles three essential calculations: basic percentage (X% of Y), ratio calculation (X is what % of Y), and percentage change (from X to Y). Features include inline results display, one-click copying, automatic fraction conversion for common percentages, and color-coded change indicators. Perfect for quick calculations with immediate visual feedback.
Frequently Asked Questions
How do I calculate a discount percentage?
To find the discounted price: use "Calculate Percentage" (e.g., 20% of $100 = $20 discount). To find how much you're saving: use "Calculate Change" to see the percentage decrease from original to sale price.
Why do some results show fractions like "≈ 1/3" or "= 2/5"?
The calculator automatically converts common percentages to their fractional equivalents. Exact fractions (denominators ≤ 20) show with "=", while repeating decimals like 33.33% show with "≈ 1/3" for easier understanding.
How to calculate percentage increase for business growth?
Use "Calculate Percentage Change" - enter your starting value (e.g., last year's revenue) and ending value (this year's revenue). A green positive result shows growth percentage, red shows decline.
What's the difference between "X% of Y" and "X is what % of Y"?
"X% of Y" finds the actual value (e.g., 20% of 100 = 20). "X is what % of Y" finds the ratio (e.g., 20 is 20% of 100). Use the first for calculating amounts, the second for comparing proportions.
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