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Old vs New Tax Regime Calculator (FY 2024-26)

Compare Old vs New Tax Regime (Sec 115BAC revised) with Budget 2024 slabs, ₹75k standard deduction, 80C, 80D, HRA & Home loan tax savings.

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🇮🇳

Income Tax Comparator (FY 2024-25 & FY 2025-26)

Budget 2024 Revised

Compare New Tax Regime (Section 115BAC with ₹75k Standard Deduction) vs Old Tax Regime with 80C, 80D, HRA & Home Loan deductions.

Quick Salary Presets:
🏆Recommended Tax Choice

New Tax Regime is Better for You!

You save ₹38,480 in annual taxes by choosing the New Regime (Sec 115BAC).

Monthly Take-Home
₹1,29,150
Effective Tax
11.4%
✓ Recommended

New Tax Regime

Sec 115BAC (Revised Budget 2024)

Total Tax:
₹2,00,200
Gross Total Income:₹17,50,000
Standard Deduction:- ₹75,000
Net Taxable Income:₹16,75,000
Calculated Income Tax:₹1,92,500
Health & Education Cess (4%):+₹7,700
Effective Tax Rate:11.44%

Old Tax Regime

With 80C, 80D, HRA, NPS, Home Loan

Total Tax:
₹2,38,680
Gross Total Income:₹17,50,000
Standard Deduction:- ₹50,000
Total Chapter VI-A Deductions:- ₹3,10,000
Net Taxable Income:₹13,90,000
Calculated Income Tax:₹2,29,500
Health & Education Cess (4%):+₹9,180
Effective Tax Rate:13.64%
💡
Break-Even Deductions Analysis:

For your salary of ₹17,50,000, ₹4,25,000+ in deductions needed. Currently you have claimable deductions of ₹3,60,000.

💵 Step 1: Income Details

Total: ₹17,50,000
₹12,00,000
₹2,40,000
₹1,60,000
₹1,00,000
₹50,000

🛡️ Step 2: Deductions & Exemptions

Total: ₹3,60,000
₹1,50,000
Exempt: ₹60,000
₹0

📊 Detailed Slab-by-Slab Calculation

ComponentNew Tax RegimeOld Tax Regime
Gross Annual Income₹17,50,000₹17,50,000
Standard Deduction- ₹75,000- ₹50,000
Exemptions & Chapter VI-A- ₹0 (NPS)- ₹3,10,000
Net Taxable Income₹16,75,000₹13,90,000
Tax Before Rebate₹1,92,500₹2,29,500
Rebate u/s 87A- ₹0- ₹0
Health & Education Cess (4%)+₹7,700+₹9,180
Total Tax Liability₹2,00,200₹2,38,680
✓ Verified:Tax slabs & ₹75,000 standard deduction updated per Finance (No. 2) Act 2024 (Section 115BAC).
Official IncomeTax.gov.in Portal ↗
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💡 Detailed Overview & Why It Matters

Comprehensive Income Tax Comparison Engine for Indian Salaried & Business Taxpayers

Choosing between the Old and New Tax Regimes has become the single most consequential financial decision for Indian taxpayers following recent Union Budget reforms. While the New Tax Regime (Section 115BAC) has been designated as the default regime with restructured tax slabs, the Old Regime continues to provide substantial tax relief for individuals claiming heavy home loan interest (Section 24b), House Rent Allowance (Section 10(13A)), and deductions under Sections 80C and 80D.

SolveKits Tax Regime Calculator performs an instantaneous, side-by-side comparative simulation of your exact tax liability under both statutory frameworks for Assessment Year 2025-26 (Financial Year 2024-25) and upcoming AY 2026-27.

Our engine accounts for the enhanced standard deduction of ₹75,000 under the New Regime (₹50,000 under the Old Regime), full tax rebate under Section 87A (rendering taxable income up to ₹7,75,000 completely tax-free under New Regime), marginal relief provisions, and the mandatory 4% Health & Education Cess.

Key Highlights & Standards Compliance

✓Updated with latest Union Budget revised tax slabs under Section 115BAC (0-3L Nil, 3-7L 5%, 7-10L 10%, 10-12L 15%, 12-15L 20%, >15L 30%)
✓Incorporates enhanced ₹75,000 standard deduction for salaried employees and pensioners under New Regime
✓Detailed deduction modeling: Section 80C (up to ₹1.5L), Section 80D health insurance (up to ₹1L), HRA, NPS (80CCD(1B)), and Home Loan Interest
✓Automated Section 87A rebate calculation and marginal tax relief for incomes slightly above ₹7,75,000
✓Provides actionable verdict highlighting the exact regime that saves you maximum rupees

📖 Step-by-Step Guide: How to Use Old vs New Tax Regime Calculator (FY 2024-26)

Follow these simple steps to ensure fast, precise, and verified results.

1

Enter Gross Annual Salary

Input your total Cost to Company (CTC) or gross annual income before any tax deductions or employee contributions.

2

Select Assessment Year

Choose AY 2025-26 (FY 2024-25) or AY 2026-27 (FY 2025-26) to reflect corresponding official statutory rates.

3

Input Eligible Deductions (Old Regime)

Enter amounts for EPF/PPF/ELSS (80C), Mediclaim (80D), actual HRA exemption, and self-occupied home loan interest (Section 24b).

4

Review Side-by-Side Tax Breakdown

Inspect the slab-by-slab tax liability, applicable Section 87A rebate, 4% Health & Education Cess, and net tax payable.

5

Adopt Recommendation

Check the highlighted optimal regime showing your net tax savings, and submit Form 10-IEA or inform your company payroll accordingly.

📐 Computational Formula & Algorithmic Logic

Tax Computation Slabs & Section 87A Rebate Mathematics

Total Tax Liability Equation
Net Tax Payable = (Base Slab Tax - Section 87A Rebate) + 4% Health & Education Cess

New Tax Regime (Section 115BAC) Slabs: Up to ₹3,00,000: Nil; ₹3,00,001 to ₹7,00,000: 5%; ₹7,00,001 to ₹10,00,000: 10%; ₹10,00,001 to ₹12,00,000: 15%; ₹12,00,001 to ₹15,00,000: 20%; Above ₹15,00,000: 30%.

Standard Deduction: Salaried taxpayers receive a flat ₹75,000 deduction under New Regime and ₹50,000 under Old Regime.

Rebate under Section 87A: Under the New Regime, if net taxable income after standard deduction does not exceed ₹7,00,000 (meaning gross salary up to ₹7,75,000), a tax rebate of up to ₹25,000 is granted, reducing base tax to ₹0.

Old Regime Slabs: Up to ₹2,50,000: Nil; ₹2,50,001 to ₹5,00,000: 5%; ₹5,00,001 to ₹10,00,000: 20%; Above ₹10,00,000: 30%. Rebate under Section 87A applies if taxable income is <= ₹5,00,000.

Variables & Mathematical Notation:

Gross Income(Total Annual CTC)

Total compensation including basic, allowances, and perquisites.

Section 87A(Tax Rebate)

Statutory relief for low/middle income brackets providing zero tax threshold.

Cess(Health & Education Surcharge)

4% levy charged on total computed base tax across all income brackets.

📊 Real-World Worked Examples

Practical case studies demonstrating real numerical inputs, step-by-step math, and outputs.

1Salary of ₹9,00,000 with Standard Deductions

A software engineer earns ₹9,00,000 gross salary with ₹1,50,000 in 80C and ₹25,000 in 80D health insurance, living in owned home with no HRA.

Inputs: Gross Salary: ₹9,00,000. 80C: ₹1,50,000. 80D: ₹25,000. Standard Deduction: ₹50,000 (Old) / ₹75,000 (New).
Calculation: New Regime: Taxable Income = ₹8,25,000. Tax on 3-7L (5% = ₹20,000) + on 7-8.25L (10% = ₹12,500) = ₹32,500 + 4% cess = ₹33,800. Old Regime: Taxable Income = ₹6,75,000. Tax = ₹47,500 + 4% cess = ₹49,400.
Result: New Regime saves ₹15,600 in tax. Recommendation: Choose New Tax Regime.
2Salary of ₹15,00,000 with Heavy HRA & Home Loan

A senior manager in Mumbai earns ₹15,00,000 gross salary, pays ₹3,60,000 annual house rent (eligible HRA exemption ₹2,40,000), has ₹1,50,000 under 80C, ₹50,000 under 80D, and ₹2,00,000 home loan interest.

Inputs: Gross: ₹15,00,000. Deductions Total: ₹6,90,000 (including ₹50k std ded).
Calculation: Old Regime Taxable Income = ₹8,10,000. Total tax with cess = ₹77,480. New Regime: Taxable = ₹14,25,000. Total tax with cess = ₹1,48,200.
Result: Old Regime saves ₹70,720 in tax. Recommendation: Choose Old Tax Regime.

🎯 Who Should Use This Tool?

  • ▸Salaried corporate employees deciding their annual investment declaration for employer TDS payroll
  • ▸Freelancers, consultants, and professionals filing ITR-3 or ITR-4 returns
  • ▸Chartered Accountants and tax practitioners conducting instant client tax regime simulations
  • ▸First-time taxpayers seeking clarity on Section 87A rebate and zero-tax income thresholds

⚠️ Common Pitfalls & Mistakes to Avoid

Mistake: Assuming gross salary above ₹7,00,000 is immediately taxed heavily under New Regime
Solution: Because of the ₹75,000 standard deduction, gross salary up to ₹7,75,000 attracts ₹0 tax under Section 87A rebate.
Mistake: Attempting to claim HRA and 80C deductions under the New Tax Regime
Solution: The New Regime disallows standard 80C, 80D, HRA, and home loan interest deductions in exchange for lower base tax slab rates.
Mistake: Forgetting the 4% Health & Education Cess when calculating final tax liability
Solution: All income tax computations in India must include the statutory 4% cess on top of basic slab tax.
Mistake: Failing to switch regimes before filing the ITR due date (July 31)
Solution: Salaried individuals can choose between regimes each year at filing, but business income filers face restrictions under Form 10-IEA.

💬 Frequently Asked Questions (FAQs)

Got questions about Old vs New Tax Regime Calculator (FY 2024-26)? Here are the most comprehensive, expert-reviewed answers.

What is the zero-tax limit under the New Tax Regime for salaried employees?▼

For FY 2024-25 and FY 2025-26, salaried individuals pay zero tax on gross income up to ₹7,75,000. This is because the ₹75,000 standard deduction reduces taxable income to ₹7,00,000, which is 100% rebated under Section 87A.

Can I claim HRA (House Rent Allowance) under the New Tax Regime?▼

No. HRA exemption under Section 10(13A) is only available under the Old Tax Regime. The New Tax Regime does not permit HRA, LTA, or 80C deductions.

What is the standard deduction amount for FY 2024-25 and FY 2025-26?▼

Under the New Tax Regime (Section 115BAC), standard deduction has been increased to ₹75,000 for salaried employees and pensioners. Under the Old Tax Regime, standard deduction remains ₹50,000.

How much total deduction do I need to make the Old Regime beneficial over the New Regime?▼

For an income of ₹10 Lakh to ₹15 Lakh, you typically need total deductions exceeding ₹3.75 Lakh to ₹4.25 Lakh (combining 80C, 80D, HRA, and Home Loan interest) for the Old Regime to yield lower tax than the New Regime.

Can a salaried employee switch between Old and New Regimes every year?▼

Yes. Individuals with salaried income (having no business or professional profits) can freely choose whichever regime is more advantageous each financial year when filing their ITR.

Is NPS (National Pension System) deduction allowed in the New Regime?▼

Employer contribution to NPS under Section 80CCD(2) up to 14% of salary for government employees and 10% (enhanced to 14% under Budget 2024) for private employees is allowed under the New Tax Regime. However, self-contribution under 80CCD(1B) of ₹50,000 is disallowed.

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