13 tools
Financial calculators
Work out loan payments, savings growth, tax and prices before you commit to anything.
EMI, mortgage, SIP, FD, RD, interest, CAGR, GST, profit margin, discount and tip calculators. Each page lists the assumptions behind its numbers.
- ✓ Same formulas banks and lenders use
- ✓ Assumptions listed on every page
- ✓ Easy to compare two scenarios
Discount Calculator
Sale price, savings and stacked discounts — with optional tax.
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Tip Calculator
Fair tips and clean bill splits — per-person totals included.
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Loan Calculator
Monthly payment, total interest and true cost of any loan.
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EMI Calculator
Equated Monthly Instalment for home, car and personal loans.
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Compound Interest Calculator
Growth on growth — future value with contributions shown yearly.
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Simple Interest Calculator
Linear interest on principal — loans, deposits and late fees.
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GST Calculator
Add or strip GST — net, tax, gross plus CGST/SGST split.
Open calculatorSIP Calculator
See what a monthly mutual fund SIP could grow to — with optional yearly step-up.
Open calculatorFD Calculator
Fixed deposit maturity value and interest, with quarterly or monthly compounding.
Open calculatorRD Calculator
Recurring deposit maturity value for a fixed monthly saving, compounded quarterly.
Open calculatorMortgage Calculator
Monthly home payment with principal, interest, property tax, insurance and PMI.
Open calculatorCAGR Calculator
Compound annual growth rate between two values — investments, revenue or anything that grows.
Open calculatorProfit Margin Calculator
Margin, markup and profit from cost and price — or the price you need for a target margin.
Open calculatorHow to get the most from financial tools
Each financial calculator has the same layout: the calculator at the top, then the formula, a worked example, common uses, tips, mistakes to avoid and the sources we used. Run your own numbers first, then use the related calculators at the bottom of the page to check from another angle, such as GST alongside Discount, or Age alongside Date Difference.
Calculations run in your browser, so the numbers you enter are not sent anywhere. If a figure is going into a contract, tax return or medical record, check it against the official source linked on the calculator page.
Common questions
Other categories
BMI Calculator
Know your Body Mass Index in seconds — with healthy-range context.
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Percentage Calculator
What is X% of Y? What % is X of Y? Answered with steps.
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Percentage Increase / Decrease Calculator
Old → new percent change, with increase vs decrease explained.
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