Everyday calculators, done right
EMI, SIP, BMI, physics, food, construction — each with charts, worked examples, and the edge cases most calculator sites skip.
Popular calculators
Ranked by everyday use across India and beyond.
EMI Calculator
Work out the monthly EMI, total interest, and total payment on a loan.
SIP Calculator
Project the future value of a monthly mutual fund SIP investment.
BMI Calculator
Calculate Body Mass Index from height and weight, with both WHO global and Asia-Pacific categories.
Advanced Home Loan Calculator
EMI with offset account and extra prepayments.
Percentage Calculator
Find a percentage of a number, what percent one number is of another, or percent change.
FIRE Planner Calculator
Financial independence corpus with multi-phase savings.
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- 1EMI Calculator
Work out the monthly EMI, total interest, and total payment on a loan.
- 2SIP Calculator
Project the future value of a monthly mutual fund SIP investment.
- 3Percentage Calculator
Find a percentage of a number, what percent one number is of another, or percent change.
- 4BMI Calculator
Calculate Body Mass Index from height and weight, with both WHO global and Asia-Pacific categories.
- 5Age Calculator
Calculate exact age in years, months, and days between two dates, plus days to the next birthday.
- 6Mortgage Calculator
Home loan EMI, interest, and amortization.
- 7Compound Interest Calculator
Future value with compounding.
- 8Simple Interest Calculator
Interest on principal without compounding.
- 9Lumpsum Investment Calculator
One-time investment growth projection.
- 10Car Loan Calculator
Monthly EMI and total cost for a car loan.
- 11Personal Loan Calculator
EMI and total repayment for unsecured loans.
- 12PPF Calculator
Public Provident Fund maturity projection.
- 13Fixed Deposit Calculator
FD maturity amount with compounding.
- 14Retirement Calculator
Corpus needed and monthly SIP to retire.
- 15ROI Calculator
Return on investment as a percentage.
- 16CAGR Calculator
Compound annual growth rate between two values.
- 17CTC to In-Hand Salary
Estimate take-home from cost-to-company.
- 18Income Tax Calculator (India)
Simplified new-regime tax estimate for FY 2026-27.
- 19GST Calculator
Add or extract GST from an amount.
- 20Sales Tax Calculator
Tax amount on a pre-tax price.
- 21Credit Card Payoff Calculator
Months to clear balance at a fixed payment.
- 22Break-Even Calculator
Units needed to cover fixed costs.
- 23Advanced Home Loan Calculator
EMI with offset account and extra prepayments.
- 24FIRE Planner Calculator
Financial independence corpus with multi-phase savings.
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159
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Finance, health, physics, food, construction — formulas, charts, and worked examples included.