Compound Interest Calculator
Calculate final amount and interest earned with compound interest. Formula: A = P(1 + r/n)^(nt)
Simple Interest Calculator
Calculate interest and total amount using the formula: I = P × R × T
Loan EMI Calculator
Calculate monthly EMI, total payment, and total interest on a loan.
Discount & Sale Price Calculator
Find the final price after a percentage discount and see exactly how much you save.
Profit & Loss Calculator
Calculate profit or loss amount and percentage from cost and selling prices.
GST / Sales Tax Calculator
Add GST to a base amount, or extract GST from a tax-inclusive amount.
ROI Calculator
Calculate Return on Investment (ROI) percentage from gain and cost of investment.
Savings Goal Calculator
Find out how much you need to save each month to reach your financial goal.
Tip Calculator
Calculate tip amount, total bill, and split between people at a restaurant.
Break-Even Point Calculator
Find how many units you need to sell to cover costs and start making profit.
Currency Converter
Convert between major world currencies. Uses approximate rates — verify with your bank for live rates.