Free Online Calculators & Unit Converters
Fast, accurate tools for finance, health, math, and everyday calculations. No signup, no tracking — all calculations happen in your browser.
28 Calculators · 452+ Unit Conversions
Financial Calculators
EMI Calculator
Calculate your Equated Monthly Installment for home loans, car loans, and personal loans. See total interest payable and payment breakdown.
SIP Calculator
Calculate returns on your Systematic Investment Plan. See how monthly investments grow over time with compound interest.
Compound Interest Calculator
Calculate compound interest on your savings or investments. Compare different compounding frequencies and see growth over time.
Loan Calculator
Calculate monthly payments, total interest, and total cost for any loan. Compare different loan terms and interest rates.
PPF Calculator
Calculate Public Provident Fund maturity amount, total interest earned, and year-wise growth for your PPF investment.
EPF Calculator
Calculate your Employee Provident Fund corpus at retirement. See employee and employer contributions and total interest earned.
Gratuity Calculator
Calculate gratuity amount based on your last drawn salary and years of service using the Payment of Gratuity Act formula.
FD Calculator
Calculate Fixed Deposit maturity amount and interest earned. Compare different compounding frequencies — quarterly, monthly, or yearly.
RD Calculator
Calculate Recurring Deposit maturity amount and total interest earned. See how monthly savings grow with quarterly compounding.
NPS Calculator
Calculate National Pension Scheme corpus at retirement. See total returns, annuity allocation, and lump sum withdrawal amount.
Income Tax Calculator
Calculate Indian income tax under the new and old regime for FY 2025-26. Compare tax liability, cess, and effective tax rate.
HRA Exemption Calculator
Calculate House Rent Allowance exemption amount. Find out how much of your HRA is tax-exempt under Section 10(13A).
Stamp Duty Calculator
Calculate stamp duty and registration charges for property purchase across Indian states. See total cost breakdown by state.
Gold Price Calculator
Calculate the total value of gold based on weight, purity (24K, 22K, 18K), and current market rate. Includes making charges.
Rent vs Buy Calculator
Should you rent or buy a home? Compare the total cost of renting vs buying over time, including loan interest and property appreciation.
Health Calculators
BMI Calculator
Calculate your Body Mass Index (BMI) and find out if you are underweight, normal weight, overweight, or obese.
Age Calculator
Calculate your exact age in years, months, and days from your date of birth. Find out how many days until your next birthday.
Sleep Calculator
Find the best times to go to bed or wake up based on 90-minute sleep cycles. Get optimal sleep schedule recommendations.
Water Intake Calculator
Calculate how much water you should drink daily based on your weight, activity level, and climate.
Pregnancy Due Date Calculator
Calculate your estimated pregnancy due date using Naegele's rule. See current week of pregnancy, trimester, and days remaining.
Everyday Calculators
GST Calculator
Calculate GST (Goods and Services Tax) — add or remove GST at any rate. See base amount, GST amount, and total.
Tip Calculator
Calculate the tip amount and split the bill among friends. Choose a tip percentage and number of people to split with.
Discount Calculator
Calculate the discount amount and final price after applying a percentage discount. See how much you save.
Fuel Cost Calculator
Calculate fuel cost for your trip. Enter distance, vehicle mileage, and fuel price to see total fuel needed and trip cost.
Electricity Bill Calculator
Calculate your monthly electricity bill based on units consumed, rate per unit, and fixed charges.
Fun Calculators
Math Calculators
Unit Converters
Length
8 units · 56 conversions
Weight
7 units · 42 conversions
Temperature
3 units · 6 conversions
Area
5 units · 20 conversions
Volume
6 units · 30 conversions
Speed
4 units · 12 conversions
Data Storage
7 units · 42 conversions
Time
8 units · 56 conversions
Pressure
7 units · 42 conversions
Energy
7 units · 42 conversions
Fuel Economy
4 units · 12 conversions
Angle
5 units · 20 conversions
Frequency
5 units · 20 conversions
Force
5 units · 20 conversions
Power
5 units · 20 conversions
Density
4 units · 12 conversions