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Free Online Calculators
Percentages, discounts, age, VAT, tip and everyday math.
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Percentage Calculator
Calculate percentages, percentage of a number, and percentage change instantly.
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Percentage Increase Calculator
Calculate the percentage increase between two values.
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Percentage Decrease Calculator
Find the percentage decrease from one number to another.
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VAT Calculator
Add or remove VAT from any price with configurable tax rates.
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Discount Calculator
Compute discounted prices and total savings on any purchase.
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Tip Calculator
Calculate the tip amount and split the bill fairly among friends.
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Age Calculator
Compute exact age in years, months, days, hours from any birthdate.
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About our calculators
Percentages, discounts, age, VAT, tip and everyday math. Every tool listed here runs entirely in your browser and requires no signup - just open the tool you need and get your result instantly.