What is Income Tax Calculator?
Income Tax Calculator helps you estimate ordinary-income tax for FY 2025–26 under the selected tax regime.
The main result is estimated annual tax, with a breakdown of income tax after rebate / relief, surcharge after relief and health & education cess. The formula, example and assumptions below explain how to interpret it.
How to use Income Tax Calculator
Use the example to get familiar with the form, then enter your own figures. Any rates in the example are illustrative. Check the field labels and units before calculating.
- Gather annual taxable ordinary income (₹), tax regime, Indian tax residence and age at financial year end. Use values from the same situation or reporting period.
- Replace the example annual taxable ordinary income with your own value, then complete the other fields. Check the displayed units and each selected option.
- Select Calculate and read estimated annual tax with its result breakdown. Change one input and calculate again to compare a second scenario. Reset restores the original example.
- Enter annual taxable ordinary income in ₹, at least 0. Decimals are accepted.
- Choose tax regime from New regime — FY 2025–26 and Old regime — FY 2025–26.
- Choose Indian tax residence from Resident individual and Non-resident individual.
- Enter age at financial year end, at least 0 and at most 120. Use a whole number.
Income Tax Calculator: a worked example
With the inputs below, the result is ₹1,09,200 (estimated annual tax). Follow the example, then replace these illustrative values with your own.
| Input or output | Example value |
|---|---|
| Annual taxable ordinary income (₹) | ₹15,00,000 |
| Tax regime | New regime — FY 2025–26 |
| Indian tax residence | Resident individual |
| Age at financial year end | 30 |
| Estimated annual tax | ₹1,09,200 |
| Income tax after rebate / relief | ₹1,05,000 |
| Surcharge after relief | ₹0 |
| Health & education cess | ₹4,200 |
| Income after tax | ₹13,90,800 |
Understanding the Income Tax result
Read estimated annual tax alongside income tax after rebate / relief, surcharge after relief and health & education cess. These describe different parts of the same calculation.
Displayed results use a readable number of decimal places. When checking a result by hand, keep extra precision until the last step. To compare scenarios, change one input at a time and keep the others fixed.
- Example Income tax after rebate / relief: ₹1,05,000
- Example Surcharge after relief: ₹0
- Example Health & education cess: ₹4,200
- Example Income after tax: ₹13,90,800
Income Tax Calculator: assumptions and common mistakes
A useful estimate starts with the right inputs. Check the following assumptions and limits before applying the result to your situation.
- FY 2025–26 / AY 2026–27 ordinary-income estimate, including section 87A rebate, surcharge marginal relief and 4% cess. Enter taxable income after applicable deductions. Excludes special-rate income, agricultural-income integration, foreign tax relief and return-level rounding. This is not a calculation for a later tax year.
- Use the rate and eligibility rules that apply to your transaction. An example rate does not establish a tax liability or entitlement.
For wider guidance, visit Income Tax Department. The formula and scope of this specific tool are stated on this page.






