This interactive calculator compares estimated income tax under India’s old and new regimes for FY 2025–26, taking salary income, old‑regime‑only deductions, age, residential status, and an optional surcharge toggle as inputs. It applies a standard deduction of 50,000 in the old regime and 75,000 in the new regime for salaried individuals, then computes slab‑wise tax, rebate, health and education cess, surcharge, and total tax for both regimes. The comparative results are displayed in a clear highlights the more favourable regime and the approximate tax savings.
Old vs New Income Tax Regime Calculator (India)
Enter your details to estimate tax under the old and new regimes and see which option may save more (amounts in INR). Standard deduction is applied for salaried income.
Enter your details
FY 2025-26 onwards
This calculator assumes salaried income and automatically applies a standard deduction of 50,000 under the old regime and 75,000 under the new regime, wherever eligible. Other income taxed at special rates is not covered.
Old Tax Regime
With deductions & 50,000 standard deduction
Standard deduction (old regime)
50000
Taxable income after standard deduction & other deductions
0
Income tax before cess
0
Health and education cess (4%)
0
Estimated surcharge*
0
Total tax liability
0
Includes rebate for eligible lower income where applicable.
New Tax Regime
Limited deductions & 75,000 standard deduction
Standard deduction (new regime)
75000
Taxable income after standard deduction
0
Income tax before cess
0
Health and education cess (4%)
0
Estimated surcharge*
0
Total tax liability
0
Includes rebate for eligible income under the new regime where applicable.
All figures in INR
Assumes salaried individual
Standard deduction: 50,000 (old), 75,000 (new)
Adjust your deduction amount to see how investing more in eligible options can influence which regime appears more beneficial.
How does this Old vs New Income Tax Regime calculator work? View key assumptions
This tool applies representative slab-wise income tax rates, the applicable standard deduction for salaried income in each regime, health and education cess and an approximate surcharge to estimate your tax liability under both regimes.
- Old regime allows a wider set of deductions and exemptions such as investments, insurance and HRA.
- New regime offers simplified slabs with limited deductions but a higher standard deduction of 75,000 for salaried individuals.
- The calculator highlights the regime that could result in lower estimated tax for your profile.
Disclaimer: This Old vs New tax regime calculator is for informational and educational purposes only and does not constitute tax, financial or legal advice. Actual tax liability may differ depending on your detailed income structure, deductions, exemptions and any changes in law or interpretation. Please consult a qualified tax professional or refer to official Income Tax Department resources before filing your return or taking decisions.
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