Financial calculators that just work
Free, private and instant. Plan investments, size a loan, or estimate your tax — with support for the Indian rupee, US dollar and British pound.
Investing
SIP Calculator
See how a monthly SIP compounds over time. Adjust amount, return and duration to project your mutual fund corpus.
OpenLumpsum Calculator
Project the future value of a one-time investment. Enter an amount, expected return and duration to see how it compounds.
OpenRetirement Calculator
Find the corpus you need to retire comfortably and the monthly investment required to get there in time.
OpenSWP Calculator
Plan a monthly income from your investments while the balance keeps growing.
Loans
Tax
Income Tax Calculator
Estimate your income tax under India's new and old regimes for FY 2025–26 and see which saves you more.
OpenGST Calculator
Add GST to a base price or extract GST from an inclusive amount, at any rate — 5%, 12%, 18% or 28%.
OpenHRA Calculator
Work out how much of your HRA is tax-exempt under Indian income tax rules.
Savings
FD Calculator
Calculate maturity value and interest earned on a fixed deposit with quarterly compounding.
OpenCompound Interest Calculator
See how compound interest snowballs your money over time with any principal, rate, duration and compounding frequency.
OpenPPF Calculator
Estimate your PPF maturity with yearly contributions and government-set compounding — a tax-free favourite in India.
OpenGratuity Calculator
Calculate the gratuity you're owed based on your last drawn salary and total years of service.
Open