All Calculators & Converters
50+ free online calculators and unit converters across investing, loans, savings, business, and everyday math. Pick a category or jump directly to any tool.
Investing and Growth
Compound Interest
Project long-term savings growth using compounding and recurring deposits.
Compound Interest (Daily)
Estimate account growth with daily compounding and daily contributions.
Future Value
Compute the future value of a lump-sum investment.
Investment
Forecast long-term investment growth with recurring monthly contributions.
CAGR
Measure smoothed annualized growth from a start value to an end value.
APY
Convert APR to effective APY based on compounding frequency.
IRR
Estimate internal rate of return from a sequence of cash flows.
SIP
Project long-term value of periodic investments in a SIP plan.
Stock Average
Find weighted average cost basis across multiple stock purchases.
Forex Compounding
Simulate account growth from compounding gains per trade.
Loans and Debt
Loan
Calculate monthly payment, total payment, and interest for fixed-rate loans.
Loan Payoff
Find payoff timeline based on current balance, APR, and monthly payment.
Credit Card Repayment
Estimate payoff time and total interest for fixed monthly card payments.
Car Loan
Estimate auto-loan monthly payment and total interest with taxes and down payment.
Amortization
Break down monthly payments into principal and interest over time.
Mortgage
Estimate mortgage payment, total paid, and lifetime interest.
Mortgage Refinance
Compare current mortgage payment with refinanced payment and break-even.
Simple Interest
Calculate simple interest without compounding assumptions.
EMI
Calculate monthly EMI for home loans, car loans, and personal loans. See full amortization schedule and interest breakdown.
Savings and Planning
How Long to Save
Estimate how many months it takes to reach your savings target.
How Long Money Lasts
Project how long funds last under monthly withdrawals.
Retirement Planning
Model retirement readiness from current savings, contributions, and spending goals.
Savings
Estimate future savings value with recurring deposits and compound growth.
Savings Goals
Find the monthly amount required to reach a target savings goal on schedule.
MMA
Project money market account growth with recurring deposits.
Interest Rate
Solve for required annual return to hit a target future value.
Cash Back
Compare annual card rewards against annual fees and intro bonuses.
RD (Recurring Deposit)
Calculate Recurring Deposit maturity value. Quarterly compounding as per Indian bank standards. Compare RD returns across banks.
Salary/CTC
Calculate in-hand salary from CTC. Full breakup: basic, HRA, PF, gratuity, professional tax, and income tax under old and new regimes.
FD (Fixed Deposit)
Calculate Fixed Deposit maturity value. Get exact returns on your FD investment with quarterly compounding as per Indian banks.
PPF
Calculate Public Provident Fund returns. See year-by-year growth with current 7.1% interest rate and ₹1.5 lakh annual limit.
Income Tax
Calculate Indian income tax under old and new regimes for FY 2026-27. Compare both regimes and find which saves more tax.
Business and Utility
Margin
Calculate gross margin, markup, and profit from cost and selling price.
Currency Converter
Convert values between major currencies for quick planning.
Price Per Sq Ft
Evaluate home and commercial property pricing on a per-square-foot basis.
Million/Billion
Convert values between million and billion units instantly.
Money Counter
Count bills and coins quickly to get a total cash amount.
Percentage
Calculate percentages: find what X% of Y is, or what percent X is of Y.
Percent Change
Calculate the percentage increase or decrease between two values.
GST
Calculate GST on any amount. Add or remove GST at 5%, 12%, 18%, or 28% rates. Works for all Indian GST slabs.
BMI
Calculate your Body Mass Index (BMI) and find your weight category.
Unit Converters
Length Converter
Convert between meter, kilometer, centimeter, millimeter, inch, foot, yard, mile, and nautical mile units instantly.
Area Converter
Convert between square meter, square foot, square inch, acre, hectare, square mile, and other area units for real estate and land measurement.
Weight & Mass
Convert between kilogram, gram, pound, ounce, ton, and metric tonne. Useful for commodities, shipping, and international trade calculations.
Temperature
Convert between Celsius, Fahrenheit, and Kelvin. Quick temperature unit conversion for weather, cooking, and scientific calculations.
Time Converter
Convert between second, minute, hour, day, week, month, and year. Useful for interest calculations, loan tenures, and investment horizons.
Volume Converter
Convert between liter, milliliter, gallon, quart, pint, cup, fluid ounce, cubic meter, and cubic foot for liquid and container volume measurements.
Data Storage
Convert between bit, byte, kilobyte, megabyte, gigabyte, terabyte, and petabyte. Useful for digital asset valuation, cloud storage planning, and technology capacity analysis.
Speed Converter
Convert between m/s, km/h, mph, knot, and ft/s. Quick speed unit conversion for travel, transportation, and physics calculations.