Free Online Percentage Calculator Suite
Calculate percentages, percentage change, percentage difference, convert fractions, and split tips — all free, all instant, all private. No signup required.
Percentage Calculators & Converters
Percentage Calculator
Calculate what is X% of Y, X is what % of Y, and X is Y% of what. Real-time results with step-by-step solutions.
Percentage Change Calculator
Calculate percentage increase or decrease between two values. Perfect for salary raises, price changes, and stock movements.
Percentage Difference Calculator
Find the percentage difference between two values with visual comparison and step-by-step formula breakdown.
Fraction to Percentage Converter
Convert any fraction or mixed number to a percentage. Includes common fractions reference table and step-by-step conversion.
Percentage to Fraction Converter
Convert any percentage to a simplified fraction. Shows GCD simplification steps and handles repeating decimals.
Tip Calculator
Calculate tips and split bills easily. Preset tip percentages, per-person splitting, and rounding options.
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Learn About Percentages
How to Calculate Percentage — Complete Guide with Examples
Learn how to calculate percentages with step-by-step examples. Covers all three percentage formulas for shopping discounts, tax, grades, and tips.
Read Guide →Percentage Increase & Decrease Formula — Complete Guide
Master the percentage increase and decrease formula with business, finance, and everyday examples. Step-by-step guide with practice problems.
Read Guide →How to Convert Fractions to Percentages — Step-by-Step Guide
Learn how to convert fractions to percentages with visual examples, common conversion table, and practice problems.
Read Guide →🔒 100% Private & Secure
All calculations happen entirely in your browser. No data is ever sent to any server. No cookies, no tracking, no signup required.