Income tax calculator old regime
The old regime supports Chapter VI-A deductions. Use this India income tax calculator to calculate tax on income in India when you claim 80C, 80D, HRA, and the ₹50,000 standard deduction for salaried taxpayers.
How to Calculate Income Tax in India (FY 2025-26)
Income tax in India is governed by the Income Tax Act, 1961. For FY 2025-26 (AY 2026-27), individual taxpayers choose between the new tax regime under Section 115BAC and the old tax regime with Chapter VI-A deductions.
Default regime: From FY 2024-25, the new tax regime is the default for salaried employees unless they opt for the old regime.
New Tax Regime: Slabs (FY 2025-26)
- Six income slabs with rates from 0% to 30%
- Standard deduction of ₹75,000 for salaried individuals
- Section 87A rebate: zero tax if taxable income ≤ ₹7 lakh
- No deductions under 80C, 80D, or HRA
| Income Slab (Annual) | Tax Rate |
|---|---|
| Up to ₹3,00,000 | Nil |
| ₹3,00,001 – ₹7,00,000 | 5% |
| ₹7,00,001 – ₹10,00,000 | 10% |
| ₹10,00,001 – ₹12,00,000 | 15% |
| ₹12,00,001 – ₹15,00,000 | 20% |
| Above ₹15,00,000 | 30% |
Old Tax Regime: Slabs & Deductions
- Section 80C: PPF, ELSS, LIC, home loan principal: max ₹1,50,000
- Section 80D: Health insurance premium
- HRA Exemption: Based on salary structure and city
- Standard Deduction: ₹50,000 for salaried individuals
| Income Slab (Annual) | Tax Rate |
|---|---|
| Up to ₹2,50,000 | Nil |
| ₹2,50,001 – ₹5,00,000 | 5% |
| ₹5,00,001 – ₹10,00,000 | 20% |
| Above ₹10,00,000 | 30% |
Section 87A Rebate
- New regime: Taxable income ≤ ₹7,00,000 → rebate up to ₹25,000
- Old regime: Taxable income ≤ ₹5,00,000 → rebate up to ₹12,500
Health & Education Cess
A 4% cess is added after tax and rebates. Our calculator includes this automatically.
Old vs New: Decision Guide
Choose New Regime If:
- Total deductions are less than ₹3–4 lakh
- You don't pay rent (no HRA)
- You don't max out Section 80C investments
Choose Old Regime If:
- You claim HRA exemption in metro cities
- You max out Section 80C and 80D
- You have home loan interest deduction (Section 24)