Old vs New Tax Regime Calculator

The tax regime comparison involves two different deduction sets, two different slab structures, 87A rebate thresholds that differ between regimes, and surcharge rates that cap differently under each. Doing this mentally, or even on a spreadsheet built from memory, routinely leads to errors, especially around the 87A marginal relief computation for incomes just above ₹12 lakh.

The most common practical use case is at the start of each financial year, when you need to tell your employer which regime to use for TDS deduction. Getting this wrong in April means either paying excessive TDS for 12 months (then claiming a refund after ITR filing) or underpaying TDS and facing interest under Section 234B. This calculator gives you a definitive rupee answer in under a minute.

It is equally valuable for mid-year changes in deductions. If you start paying rent and become eligible for HRA exemption, or if you take a home loan mid-year, you can enter the updated deductions here to check whether the regime choice you made in April still holds, and whether submitting a revised declaration to your employer is worthwhile.

For understanding how your deductions are computed before entering them here, use the HRA Exemption Calculator for HRA and the Salary / CTC Calculator for a full breakdown of your in-hand salary and eligible components.

Salaried employees declaring regime to their employer. Every salaried employee must declare their preferred tax regime at the start of the financial year, usually in April, so their employer can deduct the correct TDS. This calculator makes that declaration evidence-based rather than a guess.

Employees with significant deductions evaluating a switch. If you are currently on the old regime but your deductions have reduced, because your home loan is nearly repaid, you have stopped renting, or your 80C is no longer maximum, it may be time to switch to the new regime. Run both scenarios here to confirm before informing your employer.

First-time taxpayers entering the workforce. New graduates and those in their first job often have minimal deductions (no home loan, no HRA for those living with family) and incomes below ₹12 lakh, placing them squarely in new regime territory with zero tax liability. This calculator confirms that conclusion instantly.

High-income earners above ₹15 lakh. For incomes above ₹15 lakh, the new regime's lower slab rates often overcome even substantial deductions. However, if HRA exemption is large (metro renters paying ₹30,000+ per month), the old regime may still win. This calculator gives the exact crossover point for your numbers.

Self-employed professionals and consultants. Those with business income need to weigh the regime comparison even more carefully, since opting out of the new regime once means they cannot return. Understanding the long-run implication of available deductions versus lower rates requires the kind of side-by-side comparison this calculator provides.

Tax, New Regime, the total income tax (including cess and surcharge, after 87A rebate) you would pay under the FY 2025-26 new tax regime. This is the highlighted primary output. If this is zero and your income is below ₹12.75 lakh (₹12 lakh + ₹75,000 standard deduction), it confirms that the new regime eliminates your tax burden entirely.

Tax, Old Regime, the total tax under the old regime, computed after applying the standard deduction of ₹50,000 and all itemised deductions you entered (80C, 80D, HRA, others). A significantly higher number here confirms that the new regime is the better choice for you this year.

You Save (Better Regime), the absolute tax saving when you choose the lower-tax regime. This is always a positive number, representing the difference between the two regimes' tax figures. If this saving is ₹50,000 or more, the regime choice is highly material and worth actively tracking each year.

Take-Home, New Regime and Take-Home, Old Regime, your annual in-hand income (gross income minus the respective tax liability) under each regime. Comparing these two numbers tells you directly what ends up in your bank account under each option. The difference equals the Tax Savings figure above.

1. Enter your Annual Gross Income, your total salary before any deductions (CTC minus non-cash benefits like gratuity and ESOPs is a reasonable proxy). Use your gross taxable salary, not net-of-TDS income. Common values are ₹5 lakh to ₹30 lakh for most salaried employees.

2. Enter 80C Investments, the total of eligible investments and payments under Section 80C in the financial year: EPF employee contribution, PPF deposits, ELSS mutual fund investments, life insurance premiums, home loan principal repayment, children's tuition fees, and tax-saving FD. The maximum deductible limit is ₹1.5 lakh, any amount beyond that has no additional tax benefit under the old regime.

3. Enter 80D Health Insurance Premium, total health insurance premiums paid for self, spouse, children (up to ₹25,000 or ₹50,000 if you are a senior citizen) and for parents (an additional ₹25,000 or ₹50,000 if parents are senior citizens). The maximum deductible limit here is ₹75,000.

4. Enter your HRA Exemption, if you live in rented accommodation and your employer pays HRA, compute your eligible exemption using our HRA Exemption Calculator and enter the figure here. HRA exemption is one of the most impactful old-regime deductions for metro residents and can run into lakhs per year.

5. Enter Other Deductions, include Section 80CCD(1B) additional NPS deduction (up to ₹50,000), Section 80TTA/TTB savings account interest (up to ₹10,000/₹50,000), Section 80G donations, home loan interest under Section 24(b) (up to ₹2 lakh for self-occupied property), and any other eligible deductions.

6. Compare the results, read Tax, New Regime and Tax, Old Regime side by side. The regime with the lower tax is your optimal choice. Confirm by checking the You Save figure to understand the annual financial impact of the decision.