Calculators

20 free calculatorsfinance, health, dates, and conversions

EMI, SIP, GST, BMI, discount, percentage, currency — the calculators you keep googling, all in one place with clean inputs and instant results.

20 tools20 liveFor students

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Age Calculator

Calculate your exact age in years, months, days, and total days.

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EMI Calculator

Compute monthly EMI, total interest, and total payment for any loan.

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GST Calculator

Calculate GST inclusive or exclusive amounts for any rate.

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SIP Calculator

Estimate the maturity value of monthly SIP investments.

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Loan Calculator

Plan loans with a full monthly amortization breakdown.

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BMI Calculator

Find your Body Mass Index in metric or imperial units.

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Currency Converter

Convert between 20+ currencies using live exchange rates.

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Percentage Calculator

Compute X% of Y, percentage of, and percentage change.

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Discount Calculator

Find the final price after a discount and your total savings.

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Compound Interest Calculator

Compute growth with annual, quarterly, monthly or daily compounding.

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Profit Calculator

Calculate profit, profit margin, and markup from cost and revenue.

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Fuel Cost Calculator

Estimate fuel needed and total trip cost for any distance.

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Electricity Bill Calculator

Estimate device energy use and electricity cost in kWh.

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Retirement Calculator

Project your retirement corpus from monthly investments.

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Calorie Calculator

Find BMR and TDEE using the Mifflin-St Jeor formula.

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Salary Calculator

Convert annual CTC to monthly take-home with tax and deductions.

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Date Difference Calculator

Calculate days, weeks, hours and minutes between two dates.

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Pregnancy Calculator

Estimate your due date and current pregnancy week from LMP.

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Investment Return Calculator

Project returns from a lump sum plus monthly contributions.

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Time Zone Converter

Convert dates and times across major world time zones.

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Why browser-based calculators?

Calculators shouldn't require an account, a popup, or a paywall. The math is a paragraph; the ads shouldn't be a mile.

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Calculators — frequently asked

Are the formulas correct?

Each calculator ships with the underlying formula visible in the tool. If you spot a discrepancy with an official calculator, tell us on the contact page and we'll fix it.