Calculators
20 free calculators — finance, 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.
All calculators
Age Calculator
Calculate your exact age in years, months, days, and total days.
LiveEMI Calculator
Compute monthly EMI, total interest, and total payment for any loan.
LiveGST Calculator
Calculate GST inclusive or exclusive amounts for any rate.
LiveSIP Calculator
Estimate the maturity value of monthly SIP investments.
LiveLoan Calculator
Plan loans with a full monthly amortization breakdown.
LiveBMI Calculator
Find your Body Mass Index in metric or imperial units.
LiveCurrency Converter
Convert between 20+ currencies using live exchange rates.
LivePercentage Calculator
Compute X% of Y, percentage of, and percentage change.
LiveDiscount Calculator
Find the final price after a discount and your total savings.
LiveCompound Interest Calculator
Compute growth with annual, quarterly, monthly or daily compounding.
LiveProfit Calculator
Calculate profit, profit margin, and markup from cost and revenue.
LiveFuel Cost Calculator
Estimate fuel needed and total trip cost for any distance.
LiveElectricity Bill Calculator
Estimate device energy use and electricity cost in kWh.
LiveRetirement Calculator
Project your retirement corpus from monthly investments.
LiveCalorie Calculator
Find BMR and TDEE using the Mifflin-St Jeor formula.
LiveSalary Calculator
Convert annual CTC to monthly take-home with tax and deductions.
LiveDate Difference Calculator
Calculate days, weeks, hours and minutes between two dates.
LivePregnancy Calculator
Estimate your due date and current pregnancy week from LMP.
LiveInvestment Return Calculator
Project returns from a lump sum plus monthly contributions.
LiveTime Zone Converter
Convert dates and times across major world time zones.
LiveWhy 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.
Guides for calculators
All guidesHow EMIs Are Calculated — In Plain English
The math behind equated monthly installments, what affects the number, and why prepayment saves more than you think.
BMI and Body Measurements: What the Number Really Means
How BMI is calculated, where it falls short, and which measurements give a clearer health picture.
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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.