Free Online Calculators
Simple, accurate calculators for money and daily life: GST, EMI, SIP, interest, percentages, age, BMI, dates and unit conversion — with Indian formats.
Free online calculators for India: GST calculator, EMI calculator, SIP calculator, compound and simple interest, FD and CAGR calculators, percentage, age, BMI, date difference, discount and unit converter.
Percentage Calculator
Free percentage calculator. Find X% of a number, what percent one number is of another, percentage increase or decrease, and add or subtract a percentage.
GST Calculator
Free GST calculator for India. Add or remove GST at 0.25%, 3%, 5%, 12%, 18% or 28% and see the CGST, SGST and IGST split with the final price.
EMI Calculator
Free EMI calculator. Find your monthly loan EMI, total interest and total payment for home, car or personal loans, with a year-wise repayment table.
SIP Calculator
Free SIP calculator. Estimate the future value of a monthly SIP with expected return and tenure, with invested amount, wealth gained and year-wise growth.
Compound Interest Calculator
Free compound interest calculator. See how your money grows with annual, half-yearly, quarterly, monthly or daily compounding, with a yearly table.
Simple Interest Calculator
Free simple interest calculator. Find the interest and total amount from principal, annual rate and time in years, months or days.
FD Calculator
Free FD calculator. Estimate the maturity amount and interest on a fixed deposit with quarterly, monthly, half-yearly or yearly compounding.
CAGR Calculator
Free CAGR calculator. Find the compound annual growth rate of an investment, business metric or portfolio from start value, end value and years.
Age Calculator
Free age calculator. Find your exact age in years, months and days, total days lived, the weekday you were born and days to your next birthday.
BMI Calculator
Free BMI calculator. Calculate your body mass index in kg/cm or lb/inches and see the WHO category. Includes a note on Asian BMI cut-offs.
Date Difference Calculator
Free date difference calculator. Find the number of days, weeks, months and years between two dates, including business days.
Discount Calculator
Free discount calculator. Find the sale price and amount saved from the original price and discount percentage, including a second additional discount.
Unit Converter
Free unit converter. Convert length, weight, temperature, area, volume, speed and digital storage units instantly, including feet, metres, kg, lb and °C/°F.
App Development Cost Calculator
Free app development cost calculator for India with indicative price and timeline.
Website Development Cost Calculator
Free website cost calculator for India with indicative price and timeline.
Calculators — frequently asked questions
Are the calculator results exact?
They use standard formulas and are accurate for planning. Banks and tax authorities may round differently or add charges, so confirm final figures with your provider.
Do you store the numbers I enter?
No. Calculations happen in your browser and nothing is saved or sent to us.
Have an idea? Let’s build it.
Tell us what you need — we’ll reply with a clear, written quote. No pressure, no jargon.