30+ free online calculators for finance, tax, health & everyday math — built for India.
Estimate mutual fund SIP returns with compounding projections.
SIP with annual increase — see how small hikes supercharge wealth.
Lumpsum investment returns with year-wise growth table.
Fixed Deposit maturity amount with quarterly/monthly compounding.
Recurring Deposit maturity with quarterly compounded interest.
Public Provident Fund 15-year projection with year-wise breakup.
National Pension System — corpus, lump sum & monthly pension.
Calculate compound interest with flexible compounding frequencies.
Simple interest with built-in SI vs CI comparison.
Compound Annual Growth Rate to compare investment performance.
See how inflation erodes purchasing power over time.
Plan retirement corpus with inflation-adjusted expenses & SIP needed.
Monthly loan EMI with year-wise amortization schedule.
Check how much home loan you can get based on income.
Car finance EMI with down payment and interest breakup.
Student loan EMI with moratorium period and 80E tax benefit.
Compare two loan offers side-by-side to find the better deal.
Calculate tax under old & new regime with all deductions.
Add or remove GST at 5%, 12%, 18%, or 28% instantly.
TDS on salary, FD, rent, and professional fees by section.
House Rent Allowance tax exemption under Section 10(13A).
CTC to in-hand salary with EPF, PT & full monthly breakup.
Gratuity amount under the Payment of Gratuity Act.
4 modes: X% of Y, what %, % change, increase/decrease.
Exact age in years, months, days + next birthday countdown.
Body Mass Index with visual meter and healthy weight range.
Sale price with stacked discounts and GST on discounted price.
Calculate your total net worth — assets minus liabilities.
Count business days between two dates excluding weekends.
The Calculator Hubs is a free collection of 30+ online calculators designed for Indians. Whether you're planning investments (SIP, FD, PPF, NPS), comparing loan offers (EMI, home loan, car loan), filing taxes (Income Tax, GST, TDS, HRA), or need everyday math (percentage, age, BMI) — we've got you covered.
Every calculator is built with accuracy and simplicity in mind. They work instantly in your browser — no downloads, no signups, no ads interrupting your calculations. All financial calculators use Indian conventions (₹ formatting, Indian tax slabs, Indian Lakh/Crore notation) so results are immediately meaningful for Indian users.
Our most-used calculators include the SIP Calculator for mutual fund investors, the EMI Calculator for loan planning, the Income Tax Calculator for tax filing season, and the Age Calculator for government exam eligibility. Every calculator includes detailed explanations, formulas, and tips to help you make better financial decisions.