Income Tax Calculator FY 2025-26 — New vs Old Regime, Deductions & Tax-Saving Plan

Income Tax Calculator — FY 2025-26 (AY 2026-27)

Enter your income, pick a regime, add your deductions — see your exact tax liability and which regime saves you more.

New & Old Regime 87A Rebate Applied 80C · 80D · HRA · NPS

Your Income

₹
₹1 L₹50 L

Enter your income and click Calculate My Tax to see your results.

Instant comparison — new regime vs old regime — with all deductions applied.

Budget 2025-26 Update

What Changed This Year — Key Budget 2025-26 Highlights

₹12 Lakh Zero-Tax Threshold

The new regime now offers zero tax for taxable income up to ₹12 lakh via Section 87A rebate — up from ₹7 lakh previously. Effective zero-tax gross salary is ₹12,75,000 after standard deduction.

Standard Deduction ₹75,000

The standard deduction under the new regime increased from ₹50,000 to ₹75,000. This benefits all salaried employees without requiring any investment proof or documentation.

Revised New Regime Slabs

New slabs introduce a 25% rate for ₹20–24 lakh income — making the progression smoother. The first exempt slab now extends to ₹4 lakh (up from ₹3 lakh), reducing tax for lower income earners.

Income Tax Slabs for FY 2025-26 — New vs Old Regime

The new regime has been the default since FY 2024-25. You must actively opt into the old regime if your deductions make it more beneficial. Here's a complete slab comparison.

New Regime — Default Std deduction ₹75,000
Income SlabRateTax on Slab
Up to ₹4,00,000Nil₹0
₹4L – ₹8L5%₹20,000
₹8L – ₹12L10%₹40,000
₹12L – ₹16L15%₹60,000
₹16L – ₹20L20%₹80,000
₹20L – ₹24L25%₹1,00,000
Above ₹24L30%30% of balance
87A Rebate: Zero tax if taxable income ≤ ₹12L  ·  Cess: 4% on total tax
Old Regime — Opt-in Std deduction ₹50,000
Income SlabRateTax on Slab
Up to ₹2,50,000Nil₹0
₹2.5L – ₹5L5%₹12,500
₹5L – ₹10L20%₹1,00,000
Above ₹10L30%30% of balance
87A Rebate: Up to ₹12,500 if income ≤ ₹5L  ·  All deductions (80C, HRA, 80D etc.) allowed  ·  Cess: 4%
Senior citizen (60–80): Nil slab ₹3L  |  Super senior (80+): Nil slab ₹5L

Surcharge — For High Earners

If your income exceeds ₹50 lakh, surcharge is levied on income tax (before cess). These rates apply under both regimes:

Income RangeSurcharge RateNote
₹50L – ₹1 Cr10%of income tax
₹1 Cr – ₹2 Cr15%of income tax
₹2 Cr – ₹5 Cr25%New regime max surcharge
Above ₹5 Cr37%Old regime only; new regime caps at 25%

How Much Tax Do You Actually Pay? — Real Income Examples

These examples show the tax liability under both regimes for common salary levels, assuming standard deductions only under new regime, and ₹1.5L 80C + ₹25K 80D under old regime.

Gross Salary New Regime Tax New Effective Rate Old Regime Tax* Old Effective Rate Better Regime
₹5,00,000 ₹0 0% ₹0 0% Both Equal
₹7,50,000 ₹23,400 3.1% ₹26,000 3.5% New Regime
₹10,00,000 ₹54,600 5.5% ₹54,600 5.5% Compare
₹12,75,000 ₹0 0% ₹1,09,200 8.6% New Regime
₹15,00,000 ₹1,30,000 8.7% ₹1,09,200 7.3% Old Regime
₹20,00,000 ₹2,99,000 15% ₹2,60,000 13% Old Regime
₹30,00,000 ₹5,85,000 19.5% ₹5,20,000 17.3% Old Regime

*Old regime assumes ₹1,50,000 under 80C + ₹25,000 under 80D. Tax includes 4% cess. Figures are approximate for illustration purposes.

New Regime vs Old Regime — How to Decide in 5 Minutes

There is no universal answer. The right choice depends entirely on your total deductions. Here's a practical framework.

Choose New Regime If…

  • Your total deductions (80C + HRA + 80D + NPS + 24b) are below ₹3.75 lakh
  • Your gross income is ₹12,75,000 or less — zero tax under new regime
  • You don't pay rent or live in your own home (no HRA benefit)
  • You prefer simplicity without managing investment proofs and Form 12BB
  • You have no home loan interest deduction under Section 24b

Choose Old Regime If…

  • You max out 80C (₹1.5L) + have HRA + home loan interest — total deductions above ₹4–5 lakh
  • You pay significant rent in a metro city — HRA exemption can be ₹1.5–2 lakh or more
  • You have a home loan with ₹2 lakh interest deduction under Section 24b
  • You contribute to NPS — the extra ₹50,000 deduction under 80CCD(1B) can make a difference
  • Your income is above ₹15 lakh and you have significant deductions to claim

The Break-Even Point

At most income levels, the old regime becomes beneficial when your total deductions exceed roughly ₹3.75 lakh. Below that, the new regime's lower slab rates deliver better take-home pay. Run both scenarios in the calculator above to find your exact break-even with your actual deduction numbers.

Section 80C — What Qualifies, What Doesn't, and How to Use It Smartly

Section 80C is available only under the old regime, with a combined limit of ₹1,50,000. All qualifying investments and payments share this single cap — including your EPF contribution which is deducted automatically from your salary.

EPF (Employee Provident Fund)

Auto-deducted

Your mandatory 12% salary contribution goes here. Check your salary slip — most salaried employees already use ₹50,000–₹80,000 of the 80C limit through EPF alone.

PPF (Public Provident Fund)

Tax-free returns

Government-backed 15-year scheme earning 7.1% tax-free. Interest is fully exempt. Ideal for long-term wealth building. You can open a PPF account at any major bank or post office.

ELSS Mutual Funds

Shortest lock-in

Equity-linked saving schemes with the shortest lock-in (3 years) among 80C instruments. Historically deliver 12–15% CAGR over long periods. Best suited for investors with a 5+ year horizon.

Life Insurance Premium (LIC)

Risk cover

Premiums paid toward life insurance qualify — but only for genuine risk cover. ULIPs with high charges are generally poor investments. Pure term plans are recommended for adequate cover at low cost.

National Savings Certificate (NSC)

Post office

Post office scheme earning 7.7% p.a. with a 5-year lock-in. Interest earned is reinvested and also qualifies as 80C deduction in subsequent years — a compounding tax benefit.

5-Year Tax-Saving FD

Taxable interest

Bank fixed deposits with a mandatory 5-year lock-in. Interest earned is taxable (unlike PPF), which reduces effective returns. Best used when you've already maxed other options.

Key insight: EPF contributions already consume a large portion of the ₹1,50,000 limit. On a ₹10 lakh salary, the 12% EPF contribution is ₹1,20,000 per year — leaving only ₹30,000 for other 80C investments. Always check your payslip before deciding how much more to invest under 80C.

HRA Exemption — The Three-Formula Rule Explained

House Rent Allowance (HRA) exemption under the old regime is the minimum of three separately calculated amounts. This isn't optional — the smallest of the three automatically becomes your exemption, regardless of what you'd prefer.

1
Actual HRA Received
The HRA component your employer shows in your salary structure annually.
2
Rent Paid − 10% of Basic Salary
Encourages you to pay rent above 10% of basic. If you pay rent equal to exactly 10% of basic, this value is zero and you get no HRA.
3
50% of Basic (Metro) or 40% (Non-Metro)
Metro cities: Delhi, Mumbai, Kolkata, Chennai. All other cities are non-metro, including Bangalore, Hyderabad, Pune, Ahmedabad.
HRA exemption is only available in the old regime. Employees in the new regime cannot claim HRA deduction, regardless of how much rent they pay.

Two Worked Examples

Example 1 — Metro Renter
Annual Basic₹6,00,000
HRA Received₹2,40,000
Rent Paid₹2,16,000
CityMumbai (Metro)
Option 1: HRA received₹2,40,000
Option 2: ₹2,16,000 − ₹60,000₹1,56,000
Option 3: 50% × ₹6,00,000₹3,00,000
HRA Exempt (minimum)₹1,56,000
Example 2 — Non-Metro Renter
Annual Basic₹5,00,000
HRA Received₹1,50,000
Rent Paid₹1,20,000
CityPune (Non-Metro)
Option 1: HRA received₹1,50,000
Option 2: ₹1,20,000 − ₹50,000₹70,000
Option 3: 40% × ₹5,00,000₹2,00,000
HRA Exempt (minimum)₹70,000

Tax-Saving Strategies Beyond 80C — NPS, 80D and 24b

Once you've maxed your 80C, there are three more significant deductions available under the old regime that many people underutilise.

NPS — Section 80CCD(1B)

An exclusive additional deduction of up to ₹50,000 per year — completely separate from and over and above the 80C limit. At the 30% tax slab, this saves ₹15,600 in tax annually (₹50,000 × 30% × 1.04 cess).

Tax saving at 30% slab: ₹15,600  ·  At 20%: ₹10,400  ·  At 5%: ₹2,600

Health Insurance — Section 80D

You can claim up to ₹25,000 for premiums paid toward your own and family's health insurance, plus an additional ₹25,000 for parents (₹50,000 if parents are senior citizens). Maximum combined deduction: ₹75,000.

Self + spouse + children: ₹25,000 max  ·  Non-senior parents: ₹25,000  ·  Senior parents: ₹50,000

Home Loan Interest — Section 24b

Interest paid on a home loan for a self-occupied property is deductible up to ₹2,00,000 per year. This is separate from the home loan principal (which goes under 80C). For a ₹50L loan at 8.5%, year 1 interest is approximately ₹4.2 lakh — the ₹2L deduction is capped.

Self-occupied: max ₹2,00,000  ·  Let-out property: actual interest (no cap)  ·  Only old regime

TDS, Advance Tax and Refunds — How the System Works

How TDS Is Calculated on Salary

Your employer estimates your total annual tax at the start of the year and divides it by 12 to deduct TDS monthly. The estimate is based on your salary structure and any investment declarations you make via Form 12BB.

If you fail to declare your investments, your employer will calculate TDS at the basic rate without deductions — and you'll likely overpay throughout the year and have to file ITR to claim a refund.

Form 12BB — What to Submit

  • • HRA declaration (landlord's PAN if rent exceeds ₹1L/year)
  • • 80C investment proof (EPF statement, PPF passbook, ELSS statement)
  • • 80D insurance premium receipts
  • • Home loan interest certificate for Section 24b
  • • NPS contribution statement for 80CCD(1B)

Advance Tax — When You Need to Pay Separately

If your total tax liability after TDS credit exceeds ₹10,000 (common when you have freelance income, rental income, capital gains or interest income), you must pay advance tax in instalments:

15 June 15% First instalment
15 September 45% Second instalment (cumulative)
15 December 75% Third instalment (cumulative)
15 March 100% Final instalment
Missing advance tax deadlines attracts interest at 1% per month under Sections 234B and 234C — which adds up quickly on large liabilities.

Common Income Tax Mistakes That Cost Salaried Employees Money

Not Declaring Investments to Your Employer on Time

Many employees wait until March to declare investments — meaning their employer deducts higher TDS all year. Declare in April and submit Form 12BB early to avoid overpayment and the hassle of claiming a refund.

Forgetting That EPF Already Uses Part of Your 80C Limit

If your annual EPF contribution is ₹1,00,000, you only have ₹50,000 left for PPF, ELSS or other 80C instruments. Investing ₹1,50,000 additionally in ELSS when you've already hit the cap delivers zero additional tax benefit.

Choosing a Regime Without Comparing the Numbers

Many people assume the old regime is always better because "I invest in 80C". This is no longer true for lower incomes. At ₹12.75L or below, the new regime delivers zero tax. Always calculate both with your actual deduction numbers.

Missing the Marginal Tax Trap Near ₹12 Lakh

If your taxable income is ₹12,00,001 — just ₹1 over the rebate threshold — you lose the entire 87A rebate and owe ₹80,000+ in tax. Timing a voluntary investment (PPF top-up, NPS contribution) to stay at or below ₹12 lakh can save you significantly.

Not Filing ITR When TDS Has Been Over-Deducted

If your employer over-deducts TDS (common when you switch jobs or join mid-year), you're entitled to a refund. Not filing ITR means that money sits with the government indefinitely. ITR filing is straightforward and the refund is typically credited within 30–45 days.

Frequently Asked Questions — Income Tax India FY 2025-26

Which tax regime is better — new or old for FY 2025-26?
It depends on your total deductions. The new regime generally wins for incomes up to ₹12.75L (zero tax) and for those with fewer deductions. The old regime saves more when your combined deductions (80C + HRA + 80D + 24b + NPS) exceed roughly ₹3.75–4L. The crossover point varies — use the calculator above with your actual numbers to find the exact answer.
What is the Section 87A rebate and who qualifies for zero tax?
Under the new regime for FY 2025-26, if your taxable income after the ₹75,000 standard deduction is ₹12 lakh or below, Section 87A provides a full rebate — making your effective tax zero. Someone earning ₹12,75,000 gross pays zero tax. If taxable income crosses ₹12L by even ₹1, the rebate is lost entirely and tax on the full income applies. Under the old regime, 87A gives a maximum ₹12,500 rebate for income up to ₹5 lakh.
Can I switch between new and old regime every year?
Salaried employees with no business income can switch between new and old regime every financial year when filing their ITR. For FY 2025-26, if you chose the new regime for TDS but later realise the old regime saves more, you can switch when filing ITR before the deadline. However, if you have business income, you can switch to old regime only once — and reverting back is not possible.
Is HRA exemption available under the new tax regime?
No. HRA exemption is exclusively available under the old regime. If you're on the new regime and paying rent — even in a high-rent metro — you cannot claim any HRA deduction. This is one of the biggest factors that makes the old regime better for metro renters paying significant rent relative to their basic salary.
What is Section 80CCD(1B) and is it different from 80C?
Yes, completely different. Section 80CCD(1B) allows an additional deduction of up to ₹50,000 per year for NPS contributions — completely separate from and over and above the ₹1.5 lakh 80C limit. Together they allow up to ₹2 lakh in deductions from these two sections alone. At the 30% slab, ₹50,000 in NPS saves roughly ₹15,600 annually. Available only under the old regime.
What does "taxable income" actually mean — is it just my salary?
No. Taxable income is your gross income minus exemptions and deductions. New regime: Gross − ₹75,000 standard deduction = taxable income. Old regime: Gross − ₹50,000 − HRA exempt − 80C − 80D − 24b interest − NPS − 80E = taxable income. Your gross income includes salary, interest income, rental income, and any other source. Tax is applied only to the taxable income figure, not to gross salary.
What is the difference between marginal tax rate and effective tax rate?
Your marginal rate is the rate on your last rupee of income — for ₹18L in the new regime, that's 20%. But you don't pay 20% on all ₹18L. Your effective tax rate is total tax divided by gross income — it's always lower because lower slabs are taxed at lower rates. The distinction matters: a salary increase won't bump your entire income into a higher bracket, only the incremental amount above the slab boundary.
How does home loan interest save tax, and what is Section 24b?
Under the old regime, interest paid on a home loan for a self-occupied property is deductible up to ₹2,00,000 per year under Section 24b. For a ₹50L home loan at 8.5%, year 1 interest is about ₹4.2 lakh — but you can only deduct ₹2L. At the 30% slab, this saves ₹83,200 in tax annually. For let-out properties, there is no cap on the deduction. Section 24b is not available under the new regime.
When should I pay advance tax and what happens if I miss it?
If your total tax liability after TDS is more than ₹10,000 in a year, you need to pay advance tax in four instalments: 15% by June 15, 45% by September 15, 75% by December 15, and 100% by March 15. Missing these deadlines attracts interest at 1% per month under Sections 234B and 234C. This is only relevant if you have income beyond salary — like freelance income, capital gains, rental income, or significant interest income.
Should I invest for 80C or just go with the new regime and invest freely?
This is a genuine trade-off. Under the new regime, you have more freedom to invest in any instrument — not just 80C-eligible ones. If you're investing in index funds (which aren't 80C eligible) and not paying rent or interest, the new regime may give you more flexibility and similar or better take-home. The old regime's deductions are only valuable if you're already making those investments for other reasons — not just to save tax.