What is Income Tax Slabs - Reference?
A Income Tax Slabs - Reference computes your tax liability under current slab rates. It applies the standard formula to the values you enter and returns the result instantly, without sending any data to a server. Taxpayers use it to estimate their liability before filing.
Income Tax Slabs - Reference
Year-wise income tax slab tables for India.
FY 2025-26[1] (AY 2026-27)
New Regime (default)
| Income | Rate |
|---|---|
| Up to ₹4,00,000 | Nil |
| ₹4L - ₹8L | 5% |
| ₹8L - ₹12L | 10% |
| ₹12L - ₹16L | 15% |
| ₹16L - ₹20L | 20% |
| ₹20L - ₹24L | 25% |
| Above ₹24L | 30% |
Std deduction ₹75,000. 87A rebate up to ₹12L (full waiver).
Old Regime
| Income | Rate |
|---|---|
| Up to ₹2.5L | Nil |
| ₹2.5L - ₹5L | 5% |
| ₹5L - ₹10L | 20% |
| Above ₹10L | 30% |
Std deduction ₹50,000. 87A rebate ₹12,500 up to ₹5L.
FY 2024-25 (AY 2025-26)
New Regime
| Up to ₹3L | Nil |
| ₹3L - ₹7L | 5% |
| ₹7L - ₹10L | 10% |
| ₹10L - ₹12L | 15% |
| ₹12L - ₹15L | 20% |
| Above ₹15L | 30% |
Std deduction ₹75,000. 87A up to ₹7L.
Old Regime
| Up to ₹2.5L | Nil |
| ₹2.5L - ₹5L | 5% |
| ₹5L - ₹10L | 20% |
| Above ₹10L | 30% |
Std deduction ₹50,000. 87A ₹12,500 up to ₹5L.
Surcharge (above slab tax)
| Taxable Income | Old Regime | New Regime |
|---|---|---|
| Below ₹50L | Nil | Nil |
| ₹50L - ₹1Cr | 10% | 10% |
| ₹1Cr - ₹2Cr | 15% | 15% |
| ₹2Cr - ₹5Cr | 25% | 25% |
| Above ₹5Cr | 37% | 25% (capped) |
+ Health & Education Cess of 4% on (Tax + Surcharge) for both regimes.
About this tool
Year-wise Income Tax Slabs for India - both Old and New regimes. Reference table for filing past returns or comparing across years.
How to use the Income Tax Slabs - Reference
The Income Tax Slabs - Reference is a browser-based tool that runs entirely on your device. Inputs you enter never reach a server - all calculations happen client-side in JavaScript. This means:
- Privacy: nothing is logged, sent, or stored by 3Tej. Inputs disappear when you close the tab.
- Speed: results update as you type. No network round trip.
- Offline use: once the page is cached, it works without internet.
- No signup: no account, no email, no rate limits.
Step by step
- Enter your inputs in the form above. Each field is labeled with its unit (currency, percent, kg, etc.) and the expected range.
- Read the result as it updates. The number reflects the formula commonly accepted in Income Tax Slabs - Reference-related calculations.
- Adjust to see sensitivity: change one input at a time and watch how the output moves. This is the fastest way to understand which variable matters most.
- Copy or screenshot the result for later reference. The page state persists for the session if your browser allows it.
When you would use this
- Quick estimates: when you need a number now and don't want to open a spreadsheet.
- Sensitivity analysis: testing how a result changes as inputs vary, before committing to a real-world decision.
- Comparison: running the same calculation with different inputs to compare options side by side.
- Learning: building intuition for how the underlying math behaves.
- Documentation: capturing a snapshot of inputs and outputs at a point in time.
Frequently asked questions
When was the New Regime introduced?
Budget 2020 (FY 2020-21) as optional. Made default in Budget 2023 (FY 2023-24). Slabs further revised in Budget 2024 and Budget 2025.
Which years' slabs are these?
Slabs change annually with each Union Budget. This table covers FY 2024-25 and FY 2025-26 (current). Historical slabs available on incometax.gov.in.
Is the Income Tax Slabs - Reference accurate?
The Income Tax Slabs - Reference applies the standard formula for income tax slabs - reference. Accuracy is limited only by your input precision. For decisions with material consequences, use the result as a starting point and verify with a qualified professional or the relevant official source.
Is the Income Tax Slabs - Reference free?
Yes. 100% free, no signup, no payment, no API key. The site is funded by display ads that appear around the tool but not inside the calculation flow.
Are my inputs saved?
No. Inputs stay in your browser tab. Closing the tab discards them. The site uses Google Analytics for traffic measurement (anonymized) but does not see what you type into the form.
Can I use the Income Tax Slabs - Reference on my phone?
Yes. The tool is responsive and tested on iOS Safari, Android Chrome, and major desktop browsers. Touch targets meet Apple's 44pt and Google's 48dp minimum guidance.
How do I report a bug or suggest improvement to the Income Tax Slabs - Reference?
Email hi@3tej.com with the URL of this page and a description of what you saw vs expected. We typically respond within 72 hours and update calculators when rules or formulas change.
How accurate is the Income Tax Slabs - Reference?
It applies the standard formula. Accuracy is limited only by your input precision. For decisions with material consequences (taxes, medical, legal, structural), use the result as a starting point and verify with a qualified professional in the relevant field.
Is the Income Tax Slabs - Reference free to use?
Yes. 100% free, no signup, no payment, no API key. The site is funded by display ads around the tool but not inside the calculation flow.
Are my inputs saved anywhere?
No. All inputs stay in your browser tab. Closing the tab discards them. The site uses Google Analytics for traffic measurement (anonymized) but the analytics never see what you type into the form.
Does the Income Tax Slabs - Reference work offline?
Yes. Once the page has loaded, it works without internet. The calculation runs in JavaScript on your device.
Can I share results from the Income Tax Slabs - Reference?
Take a screenshot or copy the output. The page doesn't generate shareable URLs for specific calculations - inputs stay in your browser only.
Why are the results different from another income tax slabs - reference tool?
Most likely: different formula assumptions, different default values, different rounding rules, or different applicable rates. Check the methodology if both tools document it. Both can be valid for different scenarios.