Free Online Percentage Calculator
Percentage Calculator
What is X% of Y?
Examples: A $50 shirt is 20% off = save $10 • Calculate 15% tip on $40 meal = $6 • Find 25% of 200 = 50
X is What Percent of Y?
Examples: Scored 45 out of 60 points = 75% • Saved $15 on $50 item = 30% discount • Completed 8 of 10 tasks = 80%
Percentage Change Calculator
Examples: Savings went from $100 to $150 = 50% increase • Price dropped from $200 to $160 = 20% decrease • Weight changed 150 lbs to 135 lbs = 10% decrease
Tips: Use your tab key to shuffle around the fields. Use shift-tab to go to the previous field. Calculation happens automatically.
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Calculate percentages instantly with our free online calculator. Get immediate results for percentage calculations, reverse percentages, and percentage changes.
Percentages help you understand parts of a whole, compare numbers, and track changes. Whether you're shopping, studying, or managing money, knowing percentages makes everyday math easier.