Income Tax Calculator

FY 2024-25 / AY 2025-26. Old vs new regime side-by-side. Includes surcharge, 4% cess, and Section 87A rebate.

Salary + business + capital gains + interest, before deductions.

Only applies under the OLD regime. New regime ignores these.

Result — Old vs New Regime
Enter your income to see the comparison.

FY 2024-25 / AY 2025-26 slabs. Includes surcharge (10/15/25/37%) above ₹50L and 4% Health & Education Cess. For complex cases (capital gains, business income), consult a CA.

FY 2024-25 tax slabs

New Regime (default)

Up to ₹3LNil
₹3L – ₹7L5%
₹7L – ₹10L10%
₹10L – ₹12L15%
₹12L – ₹15L20%
Above ₹15L30%

87A rebate up to ₹7L. Std deduction ₹75k. No HRA/80C.

Old Regime

Up to ₹2.5LNil
₹2.5L – ₹5L5%
₹5L – ₹10L20%
Above ₹10L30%

87A rebate up to ₹5L. Std deduction ₹50k. HRA/80C/80D allowed.

Frequently asked questions

Which regime should I pick — old or new?

Rough rule: if your annual deductions (80C + 80D + HRA + home-loan interest etc.) total ≥ ₹4.5 lakh, the OLD regime usually wins. If you're a salaried person with mostly standard deduction and no big investments, the NEW regime usually wins. This calculator runs both and tells you the better option for your specific numbers.

What's included in 'gross total income'?

Salary (basic + DA + HRA + bonuses) + business income + capital gains + interest + rental income + any other income, before any deductions. The calculator then applies the standard deduction (₹50,000 in old regime, ₹75,000 in new regime for FY 2024-25) and any further deductions you enter.

What's the 87A rebate?

Section 87A gives you a tax rebate (effectively zero tax) if your taxable income is below a threshold. New regime: income up to ₹7 lakh → no tax. Old regime: income up to ₹5 lakh → no tax. The rebate is the actual tax liability up to that threshold; income one rupee over the threshold makes the full tax payable. This calculator handles the cliff.

Is surcharge included?

Yes — for income above ₹50 lakh: 10% surcharge; ₹1-2 cr: 15%; ₹2-5 cr: 25%; above ₹5 cr: 37% (capped at 25% under new regime). Plus 4% Health and Education Cess on (tax + surcharge). All applied automatically.

What about HRA, 80C, 80D in this calculator?

Enter total deductions in the field provided. The old regime applies them; the new regime ignores them (except standard deduction). For HRA specifically, use our HRA Calculator to compute the exempt portion first, then deduct from gross.

Related guide
Old vs New Tax Regime AY 2025-26: Which Saves More?
Worked examples for ₹8L, ₹15L, ₹25L, ₹50L incomes. The breakeven point, deduction levels, and household profiles where each regime wins.

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