Income Tax in India: Old vs New Regime Explained
How India's income tax works, the difference between the old and new regimes, the deductions that matter, and a clear way to decide which one saves you more — with a worked comparison.
Old vs New Tax Regime Calculator
Verified formula Updated Jun 2026 Private — runs on your device
Verified formula
Private
You save with new regime
₹45,500
- Tax — old regime
- ₹1,17,000
- Tax — new regime
- ₹71,500
For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.
How to use the Old vs New Tax Regime Calculator
The Old vs New Tax Regime Calculator works out your you save with new regime, along with 2 related figures in an instant. Enter gross annual income and deductions (80c, 80d, hra…) and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
- Enter the gross annual income.
- Enter the deductions (80c, 80d, hra…).
- Read off your you save with new regime, together with tax — old regime and tax — new regime — the calculator updates automatically, with no button to press.
Worked example
For example, with gross annual income of ₹1,200,000 and deductions (80c, 80d, hra…) of ₹150,000, the you save with new regime is ₹45,500.
| Gross annual income | ₹1,200,000 |
|---|---|
| Deductions (80C, 80D, HRA…) | ₹150,000 |
| Tax — old regime | ₹1,17,000 |
|---|---|
| Tax — new regime | ₹71,500 |
| You save with new regime | ₹45,500 |
Results are estimates for educational use, not professional advice.
Frequently asked questions
It computes tax under the old regime (after your deductions and the ₹50,000 standard deduction) and the new regime (₹75,000 standard deduction, no other deductions), applies the 87A rebate and 4% cess to each, and shows the difference.
If you claim large deductions like 80C, 80D and HRA, the old regime can win. If you claim few deductions, the new regime's lower slab rates usually win. This tool shows the gap for your numbers.
Common ones include 80C (up to ₹1.5 lakh), 80D health insurance, HRA, home-loan interest and NPS. Enter your total eligible deductions to compare accurately.
Very few — mainly the ₹75,000 standard deduction for salaried taxpayers and the employer's NPS contribution. Most old-regime deductions are not available under the new regime.
Enter the gross annual income. Enter the deductions (80c, 80d, hra…). Read off your you save with new regime, together with tax — old regime and tax — new regime — the calculator updates automatically, with no button to press.
Related guides
Old vs New Tax Regime Table: Tax — old regime by Gross annual income
Reference table of tax — old regime for Old vs New Tax Regime across a range of gross annual income values — exact, engine-computed figures you can read off at a glance.
How to Calculate Old vs New Tax Regime: Formula, Steps & Examples
Learn how to calculate Old vs New Tax Regime — the formula explained step by step, with worked examples and a free calculator to check your answer.