Free Online Tax Difference Calculator
Use this free Tax Difference Calculator to compare how a job switch, salary hike, or revised offer changes your income tax under the old and new tax regimes in India.
The calculator estimates tax on current salary and new salary, compares old-regime and new-regime results, highlights the better regime, and shows extra annual tax, monthly tax difference, and net salary gain after tax.
Tax calculations can become complex when salary includes HRA, reimbursements, NPS, ESOPs, bonus timing, capital gains, surcharge, special-rate income, loss set-off, or business income. Use this as a planning estimate and verify the final decision with a qualified tax professional.
Key Features
When to Use This Tax Difference Calculator
How to Use the Tax Difference Calculator
- 1. Enter current annual gross salary and new annual gross salary.
- 2. Select your age category for old-regime slab calculation.
- 3. Add current and new old-regime deductions such as 80C, 80D, HRA, home loan interest, and eligible exemptions.
- 4. Add professional tax and any new-regime eligible deduction such as employer NPS contribution if applicable.
- 5. Review which regime gives lower tax and how much extra annual or monthly tax the salary change creates.
Tax Difference Calculator FAQ
Is this Tax Difference Calculator free?
Yes. The Tax Difference Calculator is free and does not require login.
Does this compare old and new tax regimes?
Yes. It estimates both old-regime and new-regime tax for current salary and new salary, then highlights the lower-tax regime.
Which financial year does this use?
The calculator uses normal salary slab assumptions for AY 2026-27 based on the current official new-regime slabs and old-regime individual slabs.
What should I enter as old-regime deductions?
Enter eligible deductions and exemptions you actually expect to claim under the old regime, such as 80C, 80D, HRA exemption, home loan interest, and similar eligible items.
Is this exact income tax advice?
No. It is an estimate for normal salary income. It excludes surcharge, capital gains, special-rate income, AMT, business income, foreign income, advanced payroll cases, and personalized tax advice.