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How to Use India Income Tax Calculator: New vs Old Regime (FY 2025-26) Online for Free: Step-by-Step Guide

Compare your income tax under the new and old regimes for FY 2025-26 and see which is lower. Free, private and no sign-up.

Saizul Amin
Saizul Amin21 Oct 2026 · Updated 22 Oct 2026 · 4 min read
How to Use India Income Tax Calculator: New vs Old Regime (FY 2025-26) Online for Free: Step-by-Step Guide

How to Use India Income Tax Calculator: New vs Old Regime (FY 2025-26) Online for Free

Compare your income tax under the new and old regimes for FY 2025-26 and see which is lower. This guide shows what India Income Tax Calculator: New vs Old Regime (FY 2025-26) does, how to use it step by step, what to watch out for, and which related tools on shobfree.com can help next.

Quick answer

Open India Income Tax Calculator: New vs Old Regime (FY 2025-26), type your numbers or pick the options you need, check the result that appears, and then use it. India Income Tax Calculator: New vs Old Regime (FY 2025-26) is free, needs no account and runs in your browser, so what you type or add stays on your device.

What India Income Tax Calculator: New vs Old Regime (FY 2025-26) does

  • Compare your income tax under the new and old regimes for FY 2025-26 and see which is lower.
  • Enter your yearly income, your total old-regime deductions (80C, 80D, HRA and so on), your age group and whether you are salaried.
  • The calculator applies the slabs, the standard deduction, the rebate under section 87A, the surcharge and the 4% cess for both regimes and shows the difference.

Enter your yearly income, your total old-regime deductions (80C, 80D, HRA and so on), your age group and whether you are salaried. The calculator applies the slabs, the standard deduction, the rebate under section 87A, the surcharge and the 4% cess for both regimes and shows the difference.

How to use India Income Tax Calculator: New vs Old Regime (FY 2025-26), step by step

  1. Fill in the boxes. Type your numbers or pick the options you need.
  2. See the result. The answer updates right away as you change a value.
  3. Use it. Copy the result or note it down. Nothing is sent anywhere.

These three steps are the same on a phone and on a computer. If something looks wrong, change one setting and look at the result again; India Income Tax Calculator: New vs Old Regime (FY 2025-26) updates as you go.

A worked example

Income of ₹15 lakh with ₹2 lakh of old-regime deductions: under the new regime taxable income is ₹14.25 lakh and tax with cess is ₹97,500; under the old regime taxable income is ₹12.5 lakh and tax is ₹195,000. The new regime saves ₹97,500.

Tips for a good result

  • Double-check the units and the currency or period before you trust a number.
  • Treat the result as an estimate and confirm important figures with the official source.
  • Run a best case and a worst case, then keep both numbers for your planning.
  • Change one value at a time, so you can see which input moves the result.

Who is this for?

India Income Tax Calculator: New vs Old Regime (FY 2025-26) is useful for anyone who needs compare your income tax under the new and old regimes for FY 2025-26 and see which is lower without installing software or paying for a subscription. Students, freelancers, office staff and small-business owners use tools like this for quick, one-off jobs where a full application would be too much.

Frequently asked questions

Which regime is default?

The new regime, unless you choose the old one in your return or with your employer.

Do deductions matter in the new regime?

Almost none: only the standard deduction and a few such as the employer's NPS contribution.

Is surcharge marginal relief included?

No. For incomes above ₹50 lakh the exact tax may be a little lower.

Does it include capital gains?

No. Special-rate income is taxed separately, see the capital gains calculator.

Do I need to create an account to use India Income Tax Calculator: New vs Old Regime (FY 2025-26)?

No. Open the page and start. There is no sign-up, no email and no payment.

Can I use India Income Tax Calculator: New vs Old Regime (FY 2025-26) on my phone?

Yes. The page adapts to small screens, and everything runs in your phone's browser, so the same steps work on a laptop or a phone.

Privacy

India Income Tax Calculator: New vs Old Regime (FY 2025-26) works inside your browser. Your files, text and numbers are not uploaded to a server, and there is nothing to delete afterwards.

Completely freeNo cost, no sign-up
Files stay privateEverything runs in your browser
Easy in your languageAvailable in many languages