How to use this calculator
- Enter the total income, any income taxed at special rates and the regime.
- Choose the regime and the tax year to match your situation.
- Read the surcharge, the marginal relief and the tax with cess in the result.
Surcharge on some special-rate income is capped; confirm the cap that applies to each type of income.
The result is an estimate for the figures you enter. It is not a filed return, a certificate or professional advice. Rates, thresholds and section numbers change with each Finance Act, and the Income-tax Act, 2025 applies from 1 April 2026 with new section and form numbers.
For the related work, see Income tax return (ITR) filing.
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