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Enter what you earn and what you claim. This works out the tax under both regimes for FY 2026-27 and shows you the difference. It does not tell you which to pick.
The new regime allows almost none of these. That is the whole trade-off.
Enter your annual salary to see both regimes side by side.
Slabs, the 87A rebate, the surcharge ladder, the cess and the 80D limits were read from incometax.gov.in on 20 August 2026.
In short
This calculator works out your income tax twice — once under the old regime, where you claim deductions like HRA, 80C and 80D, and once under the new regime, which allows a larger standard deduction and almost nothing else — and shows what each one costs. It reports both numbers and the gap between them. It does not tell you which to choose.
This page will not answer that, and it is deliberate — that is a decision about your money, and we are not registered to advise on it. What the page does is show what each regime costs on the figures you entered, and the working behind both, so you can take those numbers to your own decision or to a qualified professional. Where the two land less than ₹1,000 apart it says so rather than naming a winner, because a gap that small is smaller than what this page leaves out.
Because the exemption is the least of three amounts, not the HRA you receive: the HRA received, the rent you paid over 10% of basic pay, and 50% of basic in a metro (40% elsewhere). Two things surprise people — it is computed on BASIC pay rather than gross, and if you pay no rent the exemption is nil no matter how much HRA your payslip shows.
You do not suddenly owe tax on the whole amount. Marginal relief limits the tax to the amount by which your income crosses ₹12,00,000, so one extra rupee of income cannot cost more than one rupee of tax. The calculator applies this, which is why the number just above the threshold looks small rather than jumping.
Yes — a salaried taxpayer can still choose between the two for FY 2026-27, which is why this comparison exists. The new regime is the default if you make no choice. How and when you exercise the choice depends on your situation, so check the department's own guidance or ask a qualified professional.
They were read from the Income Tax Department's AY 2026-27 tables on 20 August 2026 and carried into FY 2026-27 on reporting that Budget 2026 left both regimes unchanged — that last step is reported, not read from the Finance Act, and we would rather say so than imply more certainty than we have. They are registered for review by 1 December 2026. If you are filing, check the department's published tables for your assessment year.
The AY 2026-27 tables these figures were read from on 2026-08-20 — slabs for both regimes, the 87A rebate, the surcharge ladder and the 4% cess.
The limits applied to 80C, 80D, 80CCD(1B) and 80TTA, including the 80D limits that depend on who is insured — which this page states rather than applies.
The least-of-three rule, and that it is computed on basic pay rather than gross salary.
This explains the maths behind the tool so you can trust the number. It is educational information, not financial advice.