Built for Indian amounts
Rupees, lakhs, GST, HRA, and the current income-tax regimes are in the tools people actually open.
No login. Works on your phone.
Free Calculators for India
Work out an EMI, GST, salary, tax, or tile quantity and read the result on the same screen. The numbers stay in your browser.
Recently used
Your favorites
Popular calculators
Math
Percentage Calculator
Find a percent of a number, what percent one number is of another, or the change between two numbers.
Utility
Age Calculator
Find an age in years, months, and days on any date you choose.
Finance
EMI Calculator
Find the monthly instalment on a loan, then see how much of your payment is interest.
Finance
SIP Calculator
Estimate what a monthly SIP could grow to if the return stays flat. The return is an illustration, not a promise.
Tax
GST Calculator
Add GST to a price, or remove GST from a price that already includes it. Split the tax into CGST and SGST, or show IGST.
Tax
Income Tax Calculator
Compare the default new tax regime with the optional old regime for tax year 2026-27. This is an estimate, not a return.
Salary
Salary Calculator
Split an annual CTC into basic pay, HRA, special allowance, PF, and an estimated monthly in-hand figure.
Finance
FD Calculator
Estimate the maturity amount of a fixed deposit. Bank FDs in India are usually compounded quarterly.
Categories
Finance
Loans, deposits, and monthly investments, with the rate written out so you can change it.
Tax
GST splits and an income-tax comparison for the current tax year.
Salary
CTC, take-home pay, HRA, and gratuity.
Math
Percentages without mixing up the part and the whole.
Education
Grade-point conversions that keep the board’s multiplier visible.
Health
A BMI screening ratio, not a check-up.
Home & Construction
Tiles, paint, plaster, and nominal concrete quantities.
Utility
Age, discounts, and unit conversion, including land units that differ by state.
All calculators
Finance
EMI Calculator
Find the monthly instalment on a loan, then see how much of your payment is interest.
FD Calculator
Estimate the maturity amount of a fixed deposit. Bank FDs in India are usually compounded quarterly.
PPF Calculator
Estimate a Public Provident Fund balance from a yearly deposit, the current small-savings rate, and a term of at least 15 years.
SIP Calculator
Estimate what a monthly SIP could grow to if the return stays flat. The return is an illustration, not a promise.
Tax
GST Calculator
Add GST to a price, or remove GST from a price that already includes it. Split the tax into CGST and SGST, or show IGST.
Income Tax Calculator
Compare the default new tax regime with the optional old regime for tax year 2026-27. This is an estimate, not a return.
Salary
Gratuity Calculator
Estimate gratuity from last drawn basic plus DA and completed years of service.
HRA Calculator
Estimate the monthly house rent allowance exemption and the part that stays taxable.
In-Hand Salary Calculator
Subtract PF, professional tax, and TDS from monthly basic, HRA, and other allowances.
Salary Calculator
Split an annual CTC into basic pay, HRA, special allowance, PF, and an estimated monthly in-hand figure.
Math
Education
Health
Home & Construction
Cement Calculator
Estimate cement bags and sand for plaster from the area, thickness, and mix ratio.
Concrete Calculator
Estimate cement, sand, and aggregate for a nominal concrete mix from a slab size or a volume.
Paint Calculator
Estimate litres of paint from a room or from an area you already measured.
Tile Calculator
Estimate how many tiles to buy for a floor or a wall, including a wastage allowance.
Utility
Age Calculator
Find an age in years, months, and days on any date you choose.
Discount Calculator
Apply one discount, an extra discount on the reduced price, and optional GST after that.
Unit Converter
Convert length, area, weight, volume, and temperature, including gaj, cent, ground, and two marla sizes that are labelled separately.
Why HisabMitra
The answer comes first
You calculate on the page. There is no account wall and no ad sitting on the buttons.
It stays on this phone
Favorites and recently used tools are saved in this browser. HisabMitra does not keep the amounts you type.
Questions
Is HisabMitra free?
Yes. The calculators run without an account. You do not pay to see a result.
Are the results official?
No. Results are estimates for general information. Verify important decisions with an appropriate professional or official source.
Do you store the numbers I type?
No. A calculation stays in your browser. We only count how often a tool is used, without the amounts.
How do favorites work?
The star on a calculator saves it in this browser. The list appears on the home page when you come back. Clearing site data removes it.