Income Tax Calculator
Estimate India income tax for FY 2025-26 (Assessment Year 2026-27) under the New and Old regimes.
FY 2025-26 · AY 2026-27 · Budget 2025–style slabs
New regime: most deductions (including 80C/80D) are not applied. Rebate u/s 87A zeroes tax when taxable income is ≤ ₹12,00,000.
Disclaimer
This is a simplified estimate only and is not tax advice. It does not cover surcharge, special incomes, exemptions, or every deduction. Confirm figures with a qualified tax professional or the Income Tax Department before filing.
About Income Tax Calculator
The Income Tax Calculator estimates Indian income tax for FY 2025-26 (Assessment Year 2026-27) under both the new and old regimes. Enter gross annual income (and Section 80C / 80D amounts when using the old regime) to see taxable income, tax before cess, 4% health and education cess, total liability and an effective rate versus gross income. Amounts are formatted in INR with en-IN locale.
New-regime mode uses Budget 2025–style slabs: 0% up to ₹4 lakh, then 5%, 10%, 15%, 20%, 25% and 30% on successive bands through ₹24 lakh and above. A simplified rebate under section 87A zeroes tax before cess when taxable income is ≤ ₹12,00,000. Old-regime mode uses classic slabs (nil to ₹2.5 lakh, then 5%, 20%, 30%) and subtracts the 80C and 80D figures you enter from gross income before applying slabs.
Results are educational estimates for planning conversations — not a filing engine. The UI includes an explicit disclaimer: surcharge tiers, special rate incomes (for example many capital gains), exemptions and every possible deduction are outside this simplified model. Confirm figures with the Income Tax Department utilities or a qualified advisor before you file.
How Income Tax Calculator works in practice
- 1Toggle the switch to New Regime or Old Regime (label shows FY 2025-26 / AY 2026-27).
- 2Enter gross annual income in rupees.
- 3If Old Regime is selected, enter Section 80C and Section 80D deduction amounts.
- 4Read taxable income, tax before cess, 4% cess, total tax and effective rate as they update.
- 5Flip between regimes with the same gross income to compare liabilities.
- 6Treat the output as a planning estimate, then validate against official tools with your full income details.
Jobs this tool is built for
- Roughly compare new vs old regime before discussing Form 16 inputs with payroll.
- Estimate advance-tax needs mid-year from a projected annual gross figure.
- Explain slab and rebate differences to a family member with concrete INR totals.
- Sanity-check a personal spreadsheet model against a second, independent calculator.
What you can do here
- New and old regime toggle with FY 2025-26 oriented slabs
- Simplified 87A rebate: zero tax when new-regime taxable income ≤ ₹12 lakh
- Old-regime 80C and 80D deduction inputs
- Tax before cess, 4% health & education cess and total liability
- Effective tax rate versus gross income
- INR formatting with Indian locale number grouping
- On-page disclaimer for educational use only
Limits and honest caveats
- This is not tax advice and does not model every rebate, surcharge tier or special income head.
- Surcharge for very high incomes and special rates (for example many capital gains) are outside this estimator.
- New regime ignores 80C/80D inputs by design — those fields only appear in old-regime mode.
- Laws and circulars change — verify against the Finance Act / Income Tax Department for the year you file.
Common questions about Income Tax Calculator
Which financial year does this target?
FY 2025-26 / AY 2026-27 style new-regime slabs as commonly summarised after Budget 2025, plus a classic old-regime comparison with 80C and 80D inputs.
How does the new-regime rebate work here?
If new regime is selected and taxable income is ≤ ₹12,00,000, tax before cess is set to zero (simplified 87A modelling). Confirm official eligibility, marginal relief and exact limits in current government guidance.
Are capital gains or surcharge included?
No. The calculator applies ordinary slab tax to a simplified income figure and adds 4% cess. Surcharge and special-rate heads are omitted.
Should I switch regimes based only on this?
Use it as a starting comparison. Then validate with a CA or the e-filing utility using full salary, exemptions, house property, capital gains and deduction proofs.
What deductions can I model in the old regime?
Only the two numeric fields provided: Section 80C and Section 80D. Other chapters (80E, 80G, HRA under salary rules, etc.) are not itemised — fold them into a reduced gross figure only if you understand the limitation.
This page was written by the ToolSink team to explain how Income Tax Calculator works on this site — it is not syndicated, scraped, or spun from another publisher. How we write tool guides · Site updates · About ToolSink.
All Finance Calculators
Tap any tool to jump straight in — no signup, works on mobile.