Old vs new regime: apply deductions, compare tax bills, save more — FY 2025-26.
Updated Reviewed by Sajid Hussain· Editor
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Income Tax Calculator India bills sellers in Indian Rupee (INR), so this calculator works in INR — not your selected US Dollar ($). Every figure below matches your real Income Tax Calculator India statement. Localised USD marketplaces are coming soon.
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Every salaried employee and business professional in India faces the same question come March: which tax regime saves more money? An income tax calculator takes your gross income, applies the correct deductions and slab rates, computes surcharge and cess, and shows you your exact tax bill — in seconds, for both regimes.
**The old vs new regime decision is not one-size-fits-all.** The new regime, default since FY 2023-24, offers simpler math and lower slab rates. But if you invest in PPF, ELSS, or LIC, pay rent (and claim HRA), or have an education loan, the old regime can be significantly cheaper. This calculator runs both scenarios simultaneously so you can see the actual rupee difference.
**FY 2025-26 brings key changes.** Budget 2025 expanded the new regime rebate threshold to ₹12 lakh taxable income (meaning anyone earning up to ₹12.75 lakh gross pays zero tax). The standard deduction under the new regime is ₹75,000 — ₹25,000 higher than the old regime. These updates make the new regime more attractive than ever for lower and middle income earners.
**Surcharge and cess can add significantly to your bill.** Most calculators skip surcharge — this one handles all four surcharge bands (10%/15%/25%/37%) across both regimes, including the new regime's 25% cap. The 4% Health and Education Cess is always applied correctly on top.
**Age group matters in the old regime.** Senior citizens (60–79) get a ₹3 lakh basic exemption versus ₹2.5 lakh for others. Super seniors (80+) get ₹5 lakh exemption — and no 87A rebate, since the high threshold already covers low incomes. This calculator adjusts slabs and rebate eligibility automatically based on your age group.
Built for FY 2025-26, this tool applies every Budget 2025 change — the ₹75,000 standard deduction, the ₹12 lakh rebate threshold, the updated surcharge structure, and the correct slab rates for all age groups — so your result is always current and accurate.
Quick facts
Input your total income before deductions. For salaried employees this is gross salary (CTC minus employer PF and gratuity). For business owners, it is net business income. Freelancers should use total receipts minus allowable business expenses.
Age group affects the exemption slab under the old regime (₹2.5L, ₹3L, or ₹5L for below 60, senior, or super senior). The tax regime choice determines whether deductions are available. The new regime is the default for FY 2025-26.
If you chose the old regime, enter your 80C investments, NPS contribution, health insurance premium, education loan interest, and other eligible deductions. These directly reduce your taxable income and can result in significant tax savings.
Get your total tax payable (including surcharge and cess), effective tax rate, savings versus the other regime, and your net balance after TDS. The "Recommended Regime" output tells you at a glance which option is better for your situation.
Steps to use the Income Tax Calculator India: Enter your annual gross income, Select your age group and tax regime, Add your deductions (old regime only), See your tax, regime comparison, and refund/balance.
Standard deduction is ₹75,000 (new regime) or ₹50,000 (old regime). Eligible deductions (old regime only) include 80C, 80CCD(1B), 80D, 80E, and others. The new regime only permits the standard deduction — no chapter VI-A deductions.
Example: ₹12,00,000 − ₹75,000 (std deduction, new regime) = ₹11,25,000 taxable (but 87A rebate applies)
Each rupee above a slab boundary is taxed at that slab's rate. You do not pay the higher rate on all your income — only on the portion that falls within that slab. Surcharge (10%–37% on tax) applies for incomes above ₹50 lakh.
Example: On ₹15L gross (taxable ₹14.25L, new regime FY25-26): 0% up to ₹4L + 5% on ₹4L–₹8L (₹20K) + 10% on ₹8L–₹12L (₹40K) + 15% on ₹12L–₹14.25L (₹33.75K) = ₹93,750
87A rebate (up to ₹60,000 new / ₹12,500 old) is subtracted from slab tax first. Surcharge (if applicable) is added. The 4% cess is then applied on the full (tax + surcharge) amount. The result is your total income tax payable for the year.
Example: New regime, ₹12.75L gross → taxable ₹12L → slab tax ₹60,000 − ₹60,000 rebate = ₹0 tax × 1.04 = ₹0 final tax
Currency note: the example below uses a benchmark scenario priced in Indian Rupee (INR). Values are converted to US Dollar (USD) at the latest exchange rate so you can compare against your own numbers.
Scenario
A salaried professional earning $1,200,000.00 gross per year, age below 60, new tax regime, no other deductions.
Under the New Regime, a flat standard deduction of $75,000.00 is allowed. No receipts needed.
After standard deduction: $1,200,000.00 − $75,000.00 = $1,125,000.00
No other deductions are available in the New Regime. Taxable income = $1,125,000.00.
Taxable Income = $1,125,000.00
Budget 2025 new regime slabs applied to $1,125,000.00: 0 (0% on 0–4L) + 20,000 (5% on 4L–8L) + 32,500 (10% on 8L–11.25L) = $52,500.00 total slab tax.
Slab Tax = $52,500.00
Taxable income $1,125,000.00 is below the 12,00,000 rebate threshold. The 87A rebate covers the full $52,500.00 slab tax. Tax after rebate = $0.00.
Tax after rebate = $0.00
4% cess on $0.00 = $0.00. Zero tax means zero cess.
Cess = $0.00
$0.00 (tax after rebate) + $0.00 (cess) = $0.00 total income tax for FY 2025-26.
Total Tax Payable = $0.00
The takeaway
On $1,200,000.00 gross income under the New Regime, total tax is $0.00. The 87A rebate (up to 60,000) fully covers the slab tax of $52,500.00, leaving nothing to pay. This is the Budget 2025 zero-tax benefit — anyone earning up to 12.75 lakh gross pays zero income tax under the new regime.
| Metric | Poor | Average | Good | Excellent |
|---|---|---|---|---|
Income ₹5L–₹8L Income Tax India — Finance Act 2025 | Old regime, no deductions: 5–8% | Old regime with 80C: 0–4% | New regime: 0–3% | Zero tax (≤ ₹7.5L old / ≤ ₹12.75L new) |
Income ₹8L–₹12.75L Income Tax India — Finance Act 2025 | Old regime, no deductions: 10–18% | Old regime with deductions: 5–12% | New regime: 3–8% | Zero tax under new regime (≤ ₹12.75L) |
Income ₹15L–₹20L Income Tax India — Finance Act 2025 | Old regime, no deductions: 18–22% | New regime with no deductions: 12–16% | Old regime with full deductions: 10–14% | < 12% with max 80C + NPS + 80D claimed |
Income ₹50L+ Income Tax India — Finance Act 2025 | Old regime, no deductions: > 30% | Old regime with some deductions: 26–30% | New regime (simpler, 25% cap surcharge): 22–26% | < 22% with comprehensive deduction planning + regime choice |
| Feature | Calcrux (Free) | ClearTax | IncomeTax.gov.in |
|---|---|---|---|
| Old vs new regime comparison | |||
| Deduction planning (80C / 80D / NPS) | |||
| Mobile-friendly interface | |||
| All three age group slabs | |||
| Surcharge calculation | |||
| Regime recommendation | |||
| TDS balance / refund indicator | |||
| Free, no sign-up required |
Why it matters
The new regime's lower slab rates look attractive, but if you have substantial deductions (80C, HRA, home loan interest), the old regime can save significantly more. Many people switch to the new regime without running the numbers.
Fix
Use this calculator to run both regimes with your actual deductions. The "Savings vs Other Regime" card shows the exact rupee difference. Make the switch only if the math favours it.
Why it matters
Many people believe the zero-tax limit is ₹12L, but the actual gross income threshold is ₹12,75,000 (₹12L + ₹75K standard deduction). After standard deduction, taxable income = ₹12L, which triggers the full 87A rebate.
Fix
Enter ₹12,75,000 in this calculator under the new regime — you'll see zero total tax. At ₹12,76,000, you start paying on the margin. Plan any income-timing decisions around this threshold.
Why it matters
The 80C bucket is underutilised by most taxpayers. EPF contribution counts, but many people stop there without realising they could add PPF, ELSS, or NSC to max out the ₹1.5L limit and reduce taxable income by the same amount.
Fix
Check your actual 80C tally (EPF + all investments). If you are short, consider a PPF deposit or an ELSS investment before March 31. At the 30% slab, topping up from ₹1L to ₹1.5L saves ₹15,000 in tax.
Why it matters
Surcharge is not a small rounding item — it adds 10–37% to your income tax. A taxpayer earning ₹75 lakh in the old regime without planning for surcharge underestimates their tax by over ₹1 lakh.
Fix
Use this calculator for any income above ₹50 lakh — surcharge is computed automatically per the correct band. If close to a surcharge threshold, marginal relief provisions may apply; consult a CA.
Why it matters
The 4% Health and Education Cess applies after all deductions, rebates, and surcharge. Many people believe certain deductions offset cess — they do not.
Fix
Cess is levied on (income tax + surcharge). Budget your tax payment to include cess on top, always. This calculator applies cess correctly at every income level.
Why it matters
Your employer deducts TDS based on the regime you communicate at the start of April. If you forget, the employer defaults to the new regime. You can still change during ITR filing, but excess TDS means waiting for a refund.
Fix
Decide your regime by April — ideally after running this calculator. Inform HR in writing. You can revise during filing if circumstances change mid-year.
Run both scenarios at the start of each financial year — income changes, deductions change, and so does the optimal regime. The difference can be ₹20,000–₹1,50,000+ per year depending on your deduction profile. This calculator gives you the answer in under a minute.
If you are in the old regime, ensure your total 80C is at ₹1,50,000 before March 31. EPF employee contribution counts automatically. Top up with PPF (safe, tax-free returns) or ELSS (market-linked, shortest 3-year lock-in) to fill the gap.
Section 80CCD(1B) gives an additional ₹50,000 deduction over the 80C limit in the old regime. At a 30% slab this saves around ₹15,600 (including cess) while building a retirement corpus. You get equity, government securities, and corporate bonds in one instrument.
If you expect a large bonus or windfall, check which year it falls into. Shifting income (legally) into the year you have higher deductions — or keeping gross income below a surcharge threshold — can save lakhs. Timing of capital gains realisation also matters.
If you earn above the basic exemption limit but your total tax is zero (after 87A rebate), you are still required to file an ITR. More importantly, ITR is needed for visa applications, home loans, high-value credit cards, and as income proof. File before July 31 to avoid late fees.
The Income Tax Calculator India works across every stage of the workflow.
Evaluating whether to stick with the new regime (default) or switch to the old regime for FY 2025-26. After entering salary, 80C investments, and health insurance premium, the calculator shows which regime costs less — and by exactly how much.
A 65-year-old retiree with pension income, FD interest, and some dividend receipts needs to understand tax liability. The senior citizen slab (₹3L exemption in old regime) and no-surcharge situation makes the calculation different from regular earners.
Self-employed professionals need to pay advance tax in four instalments. Using this calculator with projected annual income helps them estimate each instalment amount (15%, 45%, 75%, 100% of annual tax by specified dates) to avoid interest charges.
HR managers checking TDS deductions for employees at different salary bands. The calculator helps verify whether the right amount of TDS is being cut for each employee, especially when employees have submitted different deduction declarations.
A professional earning ₹80 lakh wants to understand how much surcharge applies and whether the new vs old regime makes a material difference at this income level. The surcharge calculation and regime comparison helps plan any end-of-year decisions.
Every important term you'll encounter in this calculator and the broader topic.
Everything you need to know about how the Income Tax Calculator India works.
The new tax regime (Budget 2025, effective FY 2025-26) has seven slabs: 0% up to ₹4 lakh, 5% from ₹4–8 lakh, 10% from ₹8–12 lakh, 15% from ₹12–16 lakh, 20% from ₹16–20 lakh, 25% from ₹20–24 lakh, and 30% above ₹24 lakh. It also includes a ₹75,000 standard deduction. With these revised slabs, tax on ₹12 lakh taxable income = exactly ₹60,000, which is fully wiped by the Section 87A rebate. This means anyone earning up to ₹12.75 lakh gross (₹12L after ₹75K standard deduction) pays zero income tax. It is the default regime from FY 2023-24 and cannot claim most exemptions or deductions.
The old regime is better when your total eligible deductions are large enough to bring your taxable income significantly lower than what the new regime would compute. As a rule of thumb: if you can claim more than ₹3–4 lakh in combined deductions (80C ₹1.5L + NPS ₹50K + HRA + 80D + home loan interest), the old regime often wins. If you have minimal deductions or want simplicity, the new regime is usually better. Use this calculator to run both and compare instantly — the "Savings vs Other Regime" card tells you exactly which one is better for your numbers.
Section 87A is a tax rebate that reduces your final tax liability — or wipes it out entirely. Under the new regime for FY 2025-26, if your taxable income (after standard deduction) is ₹12 lakh or below, you get a full rebate up to ₹60,000. This means your income tax is zero even if slabs produce some tax. Under the old regime, the rebate is up to ₹12,500 for taxable income ≤ ₹5 lakh. Super senior citizens (80+) are not eligible for the 87A rebate in the old regime. The rebate applies before cess — so cess is charged on the post-rebate tax, not the pre-rebate amount.
Standard deduction is a flat deduction from gross salary that all salaried employees and pensioners receive automatically — no bills or receipts needed. For FY 2025-26: it is ₹75,000 under the new regime and ₹50,000 under the old regime. The higher ₹75,000 standard deduction under the new regime was announced in Budget 2024 (Union Budget 2024-25) and remains effective. It replaced the older ₹40,000 standard deduction and the earlier transport allowance + medical reimbursement exemptions.
The new regime allows very few deductions. Standard deduction (₹75,000) is allowed. Employer NPS contribution (Section 80CCD(2)) is allowed. Transport allowance for specially-abled employees is allowed. However, most popular deductions are NOT available: 80C (PPF, ELSS, LIC), 80D (health insurance), HRA exemption, home loan interest (Section 24b), 80E (education loan), and most other Chapter VI-A deductions are disallowed. If you rely on these deductions, the old regime is the correct choice.
Surcharge is an additional levy on your income tax (not on income directly) when your gross income crosses ₹50 lakh. Under both regimes: 10% surcharge for income ₹50L–₹1Cr, 15% for ₹1Cr–₹2Cr, 25% for ₹2Cr–₹5Cr. For income above ₹5Cr, the new regime caps surcharge at 25%, while the old regime levies 37%. The surcharge is calculated on income tax after the 87A rebate, before cess. Marginal relief provisions can limit the effective surcharge in some cases.
Health and Education Cess (often called just "cess") is a 4% levy on your total income tax plus surcharge. It applies to everyone — no threshold. The revenue from cess is used to fund primary healthcare (Pradhan Mantri Jan Arogya Yojana) and education (Pradhan Mantri Vidya Lakshmi Karyakram). So if your tax + surcharge is ₹1,00,000, you pay ₹4,000 extra as cess, making your total tax liability ₹1,04,000. Cess cannot be reduced by any deduction or rebate.
Under the new regime for FY 2025-26, income tax is effectively zero when your gross income is ₹12,75,000 or less. Here's why: ₹75,000 standard deduction reduces gross income to ₹12,00,000 taxable. Tax on ₹12,00,000 per new slabs = ₹60,000. The full 87A rebate (up to ₹60,000) wipes this out, leaving zero tax. Add 4% cess on zero = still zero. So anyone earning up to ₹12.75 lakh gross per year pays no income tax under the new regime in FY 2025-26.
The highest-impact deductions in the old regime are: (1) Section 80C up to ₹1,50,000 — EPF, PPF, ELSS, LIC, home loan principal. At a 30% slab, this saves ₹45,000 in tax. (2) Home Loan Interest under Section 24(b) — up to ₹2,00,000 for self-occupied property. At 30%, saves ₹60,000. (3) Section 80CCD(1B) NPS — additional ₹50,000 saving ₹15,000 at 30%. (4) HRA exemption — can be substantial for metro city residents paying high rent. (5) Section 80D health insurance — ₹25,000–₹1,00,000 depending on your age and parents' age. Combined, these can reduce tax by ₹1–3 lakh versus no deductions.
The standard deadline to file your Income Tax Return for FY 2025-26 (Assessment Year 2026-27) is July 31, 2026 for individuals who are not subject to tax audit. If you miss this deadline, you can still file a belated return up to December 31, 2026 — but you will pay a late fee of ₹1,000 (income ≤ ₹5 lakh) or ₹5,000 (income > ₹5 lakh), plus interest on any tax due at 1% per month. For businesses requiring a tax audit, the deadline is October 31, 2026. Always check the Income Tax Department's official portal (incometax.gov.in) for any extensions announced closer to the date.
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