Finance, math, health, and everyday calculators — fast, free, and accurate.
Calculate CGST, SGST, IGST for any amount with all Indian GST rates.
OpenCalculate monthly EMI for home, car, or personal loans instantly.
OpenEstimate returns on your systematic investment plan with compounding.
OpenCalculate monthly payments, interest, and total cost for any loan.
OpenSee how your money grows with compound interest over time.
OpenQuickly calculate simple interest on principal, rate, and time.
OpenFind the final price and savings after applying a discount percentage.
OpenCalculate percentages, percentage of a number, or percentage change.
OpenFind your exact age in years, months, and days from your date of birth.
OpenCalculate the exact number of days, weeks, months between two dates.
OpenAdd or subtract hours, minutes, and seconds with ease.
OpenConvert salary between hourly, weekly, monthly, and annual amounts.
OpenEstimate Indian income tax under Old & New regime with slab breakdown.
OpenCalculate your Body Mass Index and see which category you fall into.
OpenFind your Basal Metabolic Rate and daily calorie needs by activity level.
OpenConvert between 20+ world currencies with approximate exchange rates.
OpenConvert length, area, volume, data size, and speed units instantly.
OpenEstimate fuel cost for a trip based on distance, mileage, and fuel price.
OpenCalculate electricity cost based on wattage, usage hours, and tariff rate.
OpenCalculate speed, distance, or time — solve for any missing variable.
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