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Percentage Calculator
Free percentage calculator. Calculate percentages, percent change, percent of a number, and more.
What is X% of Y?
X is what % of Y?
Percentage Change
Increase/Decrease by %
Frequently Asked Questions
What is the percentage calculator used for?
The percentage calculator handles every common percent question in one place: percent of a number, percent change between two values, what percent one number is of another, and reverse calculations. It removes the need to remember which formula to use.
Who uses a percentage calculator?
Shoppers verifying discounts and sales tax, students working through math homework, business owners tracking growth metrics, and anyone reviewing reports that include percentages. It is also useful for tipping, taxes, and grading.
What problems can a percentage calculator solve?
It eliminates the most frequent source of casual math errors and quickly reverses tricky cases like "this number is 23% of what?" It also confirms whether a discount or markup actually matches what was advertised.
What questions can a percentage calculator answer?
It answers questions like "What is 35% of 240?", "If a price went from $80 to $96, what is the percent change?", and "120 is what percent of 480?"