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Old vs New Tax Regime Calculator India — FY 2026-27 Comparison

Last updated: Reviewed by Arjun Mehta, CA
The **new tax regime** (default from FY 2024-25) offers lower slab rates but removes most deductions. The **old tax regime** allows deductions like 80C, 80D, HRA, and home loan interest. This calculator computes your tax under both regimes side by side so you can choose the one that saves you more money for FY 2026-27. **When the new regime wins:** For gross salaries below ₹12,75,000, the Section 87A rebate under the new regime produces zero tax — no deduction stack under the old regime can beat that. Between ₹12.75L and ₹17L, the outcome depends on your actual deductions. Enter your exact figures into the calculator rather than guessing. **When the old regime wins:** If you have a home loan (Section 24b allows up to ₹2L deduction on interest), pay significant rent in a metro city (HRA exemption), and maximise 80C (₹1.5L) plus NPS under 80CCD(1B) (₹50,000 extra), your combined deductions easily reach ₹4.5–5.5 lakh. At incomes above ₹17–18 lakh, these deductions reduce taxable income enough that the old regime's higher slab rates still result in a lower net tax bill. The saving typically grows with income — at ₹50 lakh with full deductions, the old regime advantage can exceed ₹1.5 lakh per year. **Standard deduction difference:** The new regime provides a ₹75,000 standard deduction; the old regime allows ₹50,000. This ₹25,000 difference slightly favours the new regime at the margin, but is outweighed by the larger deductions available under the old regime for most taxpayers above ₹15L. For a detailed breakdown of every deduction, scenario comparison at each income level, and a four-case study, read the [Old vs New Tax Regime Guide](/india/blog/old-vs-new-tax-regime/). To model your NPS deduction specifically, use the [NPS Calculator](/india/nps-calculator/). For HRA calculations, use the [HRA Calculator](/india/hra-calculator/).
New vs Old Tax Regime Comparison Calculator
PPF, ELSS, LIC, EPF, etc.
Actual HRA exemption claimed
80D, NPS 80CCD(1B), home loan interest, etc.
New Regime Tax —
Old Regime Tax —
Recommendation —
View Year-by-Year Breakdown
Year-by-year growth breakdown

Real-World Examples — 2026

₹12 lakh salary with full 80C and HRA

For ₹12 lakh salary with ₹1.5 lakh 80C and ₹1.2 lakh HRA exemption, old regime tax ≈ ₹78,000; new regime tax ≈ ₹nil (rebate u/s 87A). At ₹12 lakh income, new regime wins due to full rebate up to ₹12 lakh.

₹20 lakh salary — comparing regimes

For ₹20 lakh salary with ₹1.5 lakh 80C + ₹1.5 lakh HRA + ₹50,000 NPS, old regime tax ≈ ₹2.73 lakh; new regime tax ≈ ₹2.63 lakh. New regime is marginally better here, but close — check with exact deductions using our calculator.

Frequently Asked Questions

The new regime is default from FY 2024-25 and benefits those with low deductions. The old regime benefits those with large 80C investments (PPF, ELSS, LIC), HRA claims, home loan interest, and NPS contributions. The crossover point is typically around ₹3–4 lakh in total deductions for incomes between ₹10–15 lakh.

Salaried individuals can switch between old and new regime each financial year. Business owners/self-employed can switch to old regime only once and cannot switch back. Make the choice before the financial year start by informing your employer for TDS purposes.

The new regime disallows: HRA exemption, LTA, Section 80C (PPF, ELSS, LIC), 80D (health insurance), home loan interest deduction, NPS 80CCD(1B), and most other Chapter VI-A deductions. Only ₹75,000 standard deduction and employer NPS contribution are allowed.

Yes, the New vs Old Regime Calculator on CalcPhi is completely free with no registration required.

No. All calculations run in your browser. We do not store any financial data.

Yes. CalcPhi is fully mobile-optimised and works on all modern smartphones.

Data sources: Rates and regulations sourced from the Securities and Exchange Board of India (SEBI), the Reserve Bank of India (RBI), and the Income Tax Department of India. Updated for FY 2026-27. For personalised advice, consult a SEBI-registered investment adviser.