Free online calculators for everyday money & life

GPA, loans, investments, tax, tips, age, calories and fractions. Fast, private and free, with no sign-up.

All calculators

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GPA Calculator

Grade point average for any semester

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Tax Calculator

Add or remove sales tax, VAT or GST

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Loan Calculator

Monthly payment, interest and total cost

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SIP Calculator

Future value of monthly investing

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FD Calculator

Fixed deposit maturity amount

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Tip Calculator

Tip and bill split per person

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Auto Loan Calculator

Monthly payment with tax and trade-in

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Car Loan Calculator

EMI for your next car

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Car Payment Calculator

How much car can you afford?

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Age Calculator

Exact age in years, months and days

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TDEE Calculator

Daily calories for your activity level

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Fraction Calculator

Add, subtract, multiply, divide

Why use CalculatorZone?

CalculatorZone brings the calculators people search for most into one fast, mobile-friendly site. Work out a monthly loan or car payment, see how a SIP or fixed deposit grows, split a restaurant bill, add VAT or sales tax, check your GPA, find your exact age, estimate your TDEE calories or add fractions.

Private by design

Every calculation runs in your browser. Nothing you type is uploaded or stored on a server, and there is no account to create.

Accurate, with clear formulas

Each calculator page explains the formula it uses, so you can trust the numbers and understand them. Results are estimates for planning, not financial, tax or medical advice.