CS Calculators
Calculators that stay out of your way
Fast, accurate calculators for everyday decisions. Finance, health, conversions, and science — clear inputs, instant answers, built for every screen.
Featured calculators
Most-used tools, ready when you are.
Age Calculator
Calculate exact age in years, months, and days from a date of birth. Free online age calculator with precision down to the day.
Open calculatorEMI Calculator
Calculate monthly EMI for home, car, and personal loans. See total interest and payment breakdown instantly.
Open calculatorLoan Calculator
Estimate loan payments, total interest, and payoff schedules. Plan borrowing with clarity before you commit.
Open calculatorBMI Calculator
Compute Body Mass Index from height and weight. Get category guidance using standard WHO ranges.
Open calculatorPercentage Calculator
Find percentages, percentage change, and what percent one number is of another. Simple and precise.
Open calculatorGST / VAT Calculator
Add or remove GST and VAT from any amount. Support custom tax rates for invoices and pricing.
Open calculatorMore tools
Discount, tips, compound interest, date difference, and more converters.
Currency Converter
Convert between world currencies with live mid-market exchange rates. Quick and reliable.
Open calculatorUnit Converter
Convert length, weight, temperature, volume, and more. Accurate unit conversions in one place.
Open calculatorTime Zone Converter
Compare times across cities and time zones. Schedule meetings without timezone confusion.
Open calculatorScientific Calculator
Full scientific calculator with trig, logs, powers, and roots. Built for students and professionals.
Open calculatorDiscount Calculator
Calculate sale prices, savings, and discount percentages. Know exactly what you pay before checkout.
Open calculatorTip Calculator
Split bills and calculate tips fairly. Adjust tip percentage and divide among any number of people.
Open calculatorCompound Interest Calculator
Project investment growth with compound interest. Model monthly or yearly contributions over time.
Open calculatorDate Difference Calculator
Find the exact number of days, weeks, months, and years between two dates.
Open calculatorAccurate by design
Standard formulas for EMI, BMI, GST/VAT, compounding, and conversions — transparent and checkable.
Built for phones
Large taps, readable results, and layouts that stay clear from pocket screens to desktops.
Privacy respected
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