All calculators
Every tool on CS Calculators — free to use, mobile-friendly, and built for quick answers.
Finance
EMI 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 calculatorGST / VAT Calculator
Add or remove GST and VAT from any amount. Support custom tax rates for invoices and pricing.
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 calculatorMath
Converters
Time & Dates
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 calculatorTime Zone Converter
Compare times across cities and time zones. Schedule meetings without timezone confusion.
Open calculatorDate Difference Calculator
Find the exact number of days, weeks, months, and years between two dates.
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