Income Tax Calculator India

Last updated: September 2, 2026 · Calsify Editorial Team · Verified formula

Old vs New Tax Regime in India

India currently offers two parallel tax regimes for individual taxpayers:

Old Tax Regime: Retains the pre-GST era structure with higher base tax rates but allows a wide range of deductions and exemptions — Section 80C (₹1.5 lakh), 80D (health insurance premium), HRA, home loan interest under Section 24b, standard deduction of ₹50,000 and various other exemptions. Beneficial for those who have high deductions in aggregate.

New Tax Regime (default from FY 2023-24 onwards): Introduced lower slab rates but removes most deductions. From FY 2024-25, a standard deduction of ₹75,000 is available for salaried employees even under the new regime. From FY 2025-26, the rebate limit under Section 87A is being enhanced to ₹12 lakh (from ₹7 lakh), making income up to ₹12 lakh effectively tax-free for most salaried individuals.

The choice depends on your individual deduction profile. For most salaried employees without a home loan or high Section 80C investments, the new regime is now the better option. For those with significant deductions, the old regime often wins at higher income levels.

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Pro Tip: Always calculate your tax liability under both regimes before choosing. The break-even point — where both regimes result in equal tax — typically falls around ₹3.5-4.5 lakh of total eligible deductions for most income levels.

New Tax Regime Slabs FY 2025-26

Updated income tax slabs under the new regime for FY 2025-26:

Formula

Up to ₹4 lakh: 0%
₹4-8 lakh: 5%
₹8-12 lakh: 10%
₹12-16 lakh: 15%
₹16-20 lakh: 20%
₹20-24 lakh: 25%
Above ₹24 lakh: 30%

Key benefits FY 2025-26: • Section 87A rebate enhanced — income up to ₹12 lakh is tax-free • Standard deduction of ₹75,000 for salaried employees • Health & Education cess of 4% applies on tax payable • Surcharge applies on incomes above ₹50 lakh Note: FY 2024-25 slabs (0% up to ₹3L, then 5%/10%/15%/20%/30%) remain applicable for AY 2024-25 ITR filing.

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Source: Union Budget 2025-26 and Income Tax Act provisions as amended. Always verify the latest slab rates from the Income Tax Department (incometaxindia.gov.in) as budget amendments may apply.

Tax-Saving Strategies

Under the old regime, systematic use of deductions significantly reduces tax:

Section 80C (₹1.5 lakh limit): EPF, PPF, ELSS mutual funds, life insurance premiums, NSC, 5-year FDs, home loan principal repayment, children's tuition fees, Sukanya Samriddhi.

Section 80D: Health insurance premiums — ₹25,000 for self/spouse/children, additional ₹25,000 for parents (₹50,000 if parents are senior citizens).

HRA: If you live in rented accommodation, HRA exemption can be substantial — calculated as minimum of actual HRA received, rent paid minus 10% of salary, or 50%/40% of salary (metro/non-metro).

Home Loan: Interest up to ₹2 lakh (Section 24b) and principal up to ₹1.5 lakh (within 80C) are deductible.

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Pro Tip: The ELSS (Equity Linked Savings Scheme) option under 80C offers both tax saving and equity market exposure with the shortest lock-in period (3 years) among 80C instruments. It is usually the best 80C choice for tax-saving cum investment purposes.

Tax Estimate Accuracy Checklist

Income tax estimation can be directionally correct but still differ from final filing because of deductions, exemptions, filing status, regime selection, and year-specific rule updates. Use this calculator as a planning estimate, not a filing substitute.

For better accuracy, prepare a pre-calculation checklist: gross income sources, deductible items, employer declarations, capital gains assumptions, and applicable cess/surcharges where relevant. Then run at least two scenarios - conservative deductions and realistic deductions - so you can set a safer cash reserve.

If your income includes variable components (bonus, freelance, RSUs, or side income), update your estimate quarterly instead of yearly. This avoids under-withholding surprises and helps smooth cash flow planning. Pair this tool with salary and budget calculators to convert estimated tax into monthly take-home impact.

Frequently Asked Questions

How do I decide between old and new tax regime?

Calculate your tax under both regimes. The new regime is typically better if your total deductions (80C + HRA + home loan + 80D + others) are less than approximately ₹3.5-4 lakh. If you have a home loan, maximised 80C investments and health insurance, the old regime often wins at higher income levels. Many tax calculators and your HR department can help compare.

What is the tax on EPF withdrawal?

EPF withdrawal is tax-free if you have completed 5 years of continuous service. If you withdraw before 5 years, the employer contribution and interest are taxable as income. If you switch jobs before 5 years but transfer the EPF instead of withdrawing, the 5-year continuity is maintained across employers and eventually becomes tax-free.

Do I need to file ITR if my tax is already fully deducted at source (TDS)?

Yes, in most cases. If your gross income exceeds ₹2.5 lakh (old regime) or ₹3 lakh (new regime), you are required to file an ITR even if all tax has been deducted. Filing is also required if you want to claim a refund, have foreign income or assets, or made high-value transactions. Filing ITR also helps establish income proof for loans and visa applications.

Is capital gains tax different from income tax?

Yes. Capital gains have separate tax rates outside your regular income tax slab. Short-term capital gains (STCG) on equity: 20% flat (from FY2024-25). Long-term capital gains (LTCG) on equity above ₹1.25 lakh: 12.5% flat. Debt fund gains are now taxed as income at slab rates. Real estate capital gains have indexation benefits under certain conditions.

What happens if I do not pay advance tax?

If your tax liability exceeds ₹10,000 in a year, you are required to pay advance tax in quarterly installments. Failure to do so attracts interest under Sections 234B and 234C at 1% per month on the unpaid amount. Salaried employees typically have advance tax automatically handled through TDS, but those with freelance income, capital gains, or business income must calculate and pay separately.

Why is my calculator estimate different from final return tax?

Final return tax includes exact deductions, slab treatment, surcharge/cess rules, and actual realized income values. Calculator output depends on assumptions entered. It is normal to see a gap if any deduction, regime, or income component changes during the year.

Old vs New Tax Regime in India

New Tax Regime Slabs FY 2025-26

Tax-Saving Strategies

Tax Estimate Accuracy Checklist

Frequently Asked Questions

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