income tax
Published on 22 July 2025
Income Tax Calculator Guide for FY 2025-2026: Key Updates and Usage Tips
Income Tax Calculator for FY 2025–26: What’s New and How to Use It Effectively
With major changes introduced in Budget 2025, the Income Tax Calculator for FY 2025–26 has become an indispensable tool for taxpayers. Whether you're a salaried employee, a business owner, or a retiree, using the calculator helps you compare the old and new tax regimes and make informed financial decisions before filing your return.
What Is the Income Tax Calculator?
The Income Tax Calculator is an online tool that helps estimate your income tax liability based on your earnings, deductions, and exemptions. It works by:
- Comparing both old and new tax regimes
- Factoring in the latest slab rates, standard deductions, and rebates
- Giving you a clear picture of which tax regime saves you more
How to Use the Calculator: Step-by-Step Guide
1. Select the Assessment Year
Choose FY 2025–26 (AY 2026–27) from the drop-down.
2. Enter Your Age
Your age affects the tax slab (especially under the old regime). Citizens aged 60 or older get higher exemption thresholds.
3. Input Your Income Sources
- Salary income (basic, HRA, allowances)
- Other income (savings interest, FDs, rental income, capital gains)
- Business/profession income, if applicable
4. Add Exemptions and Deductions
Depending on the regime:
-
Old Regime: Claim deductions like:
- Section 80C (PPF, ELSS, LIC, etc.)
- Section 80D (health insurance)
- HRA, LTA, home loan interest
- Section 80TTA (savings interest)
-
New Regime: Most deductions are disallowed, but the following apply:
- Standard Deduction: ₹75,000 (increased from ₹50,000)
- NPS contributions for government employees
- Employer EPF contributions
5. Calculate
The calculator instantly compares both regimes, showing:
- Total tax payable (inclusive of 4% health & education cess)
- The more tax-efficient option for your profile
Example: Side-by-Side Tax Comparison
| Component | Amount | Old Regime (Taxable) | New Regime (Taxable) |
|---|---|---|---|
| Basic Salary | ₹12,00,000 | ₹12,00,000 | ₹12,00,000 |
| HRA | ₹6,00,000 | ₹2,40,000 (post exemption) | ₹6,00,000 |
| Special Allowance | ₹2,52,000 | ₹2,52,000 | ₹2,52,000 |
| LTA | ₹20,000 | ₹8,000 (post exemption) | ₹20,000 |
| Gross Income | – | ₹16,70,000 | ₹19,42,000 |
| Standard Deduction | – | ₹50,000 | ₹75,000 |
| Other Deductions | – | ₹1,70,000 (80C, 80D, 80TTA) | N/A |
| Taxable Income | – | ₹15,00,000 | ₹19,67,000 |
| Tax Incl. Cess | – | ₹2,73,000 | ₹2,83,504 |
FY 2025–26: Latest Tax Slabs
** New Regime (Default)**
| Income (₹) | Tax Rate |
|---|---|
| 0 – 4,00,000 | 0% |
| 4,00,001 – 8,00,000 | 5% |
| 8,00,001 – 12,00,000 | 10% |
| 12,00,001 – 16,00,000 | 15% |
| 16,00,001 – 20,00,000 | 20% |
| 20,00,001 – 24,00,000 | 25% |
| Above 24,00,000 | 30% |
- Rebate up to ₹60,000: Zero tax on income up to ₹12 lakh (post standard deduction).
- Standard deduction: ₹75,000 for salaried taxpayers.
** Old Regime**
| Income (₹) | Tax Rate |
|---|---|
| 0 – 2,50,000 | 0% |
| 2,50,001 – 5,00,000 | 5% |
| 5,00,001 – 10,00,000 | 20% |
| Above 10,00,000 | 30% |
- Allows all major exemptions and deductions under Sections 80C to 80U.
- Standard deduction: ₹50,000.
What’s New This Year?
- Higher Standard Deduction: ₹75,000 under the new regime
- Revised Slabs: Broader zero-tax threshold under the default regime
- Default to New Regime: Taxpayers must opt out if they wish to continue under the old structure
- No changes to old regime: All classic deductions remain available for those who opt in
Tips for Using the Calculator Wisely
- Be accurate: Input full salary and deduction details for reliable results.
- Compare carefully: For many middle- and high-income earners, the new regime may look attractive but not always cheaper.
- Use trusted sources: Only use calculators from credible platforms—either official or frequently updated.
Final Thoughts
The Income Tax Calculator for FY 2025–26 is more than a planning tool—it’s your first line of defence against overpayment and errors. With expanded rebates and simpler rates in the new regime, many salaried taxpayers may pay less tax this year—but only if they evaluate both options thoroughly.