Calculators — Free Online Calculators Tools

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Calculators

Calculators

Fast, accurate calculators for everyday math — age, percentage, BMI, loans, and more.

Calculators

Age Calculator

Calculate your exact age in years, months, days, weeks, and hours. Free, instant, and works in your browser.

Calculators

Percentage Calculator

Calculate percentages instantly: of, reverse %, increase/decrease, and percent change. Free and ad-light.

Calculators

BMI Calculator

Calculate your Body Mass Index in metric or imperial units. See your BMI category and healthy weight range.

Calculators

Loan Calculator

Calculate EMI, total interest, payoff timeline, and amortization schedule with extra-payment planning in any major currency.

Calculators

Tip Calculator

Calculate tip and split the bill instantly. Pick a tip preset or set your own, round up, and share the per-person total.

Calculators

Discount Calculator

Calculate sale price, savings, and effective discount instantly. Forward or reverse — go from % to price or price to %.

Calculators

GST / VAT Calculator

Add or remove GST / VAT instantly. Country presets for IN, AU, CA, NZ, UK, DE — or set your own rate.

Calculators

Compound Interest Calculator

Project savings growth with compounding and monthly contributions. See future value, contributions, and interest earned.

Calculators

Mortgage Calculator

Estimate full monthly mortgage payment with PITI, PMI, HOA, and extra principal — see total interest and payoff time.

Calculators

Unit Price Calculator

Compare up to 6 products by price per unit — instantly find the best deal and see how much pricier each option is.

About Calculators

Instant calculators that work in your browser. Type values and see results live, with no signup, ads-first, or distractions. Built for students, professionals, and curious minds.