The Old vs New Tax Regime Calculator AY 2026–27 helps you compare income tax under both regimes and find which option saves more tax. This income tax calculator for FY 2025–26 (AY 2026-27) covers salary income, house property, capital gains, Section 87A rebate, marginal relief, and surcharge to give you a complete tax comparison. If you want to calculate tax only under the new regime, you can also use our New Regime Income Tax Calculator. Compare both regimes instantly and identify your tax savings in seconds.
This calculator is designed for salaried individuals and taxpayers with income from salary, house property, and other sources. It does not cover business or professional income.
Looking for business or professional income tax calculation? A separate advanced calculator for freelancers and professionals will be available soon.
Old vs New Tax Regime Calculator AY 2026–27 (Excel)
Choosing between the old and new tax regime has become one of the most important decisions for taxpayers in India. The Old vs New Tax Regime Calculator AY 2026–27 helps you compare your income tax liability under both regimes and instantly identify which option results in lower tax.
This income tax calculator for FY 2025–26 is designed for salaried individuals and covers salary income, house property, other income, and capital gains. It automatically applies the latest tax slabs, ₹75,000 standard deduction, Section 87A rebate, marginal relief, surcharge, and cess to give you a complete and accurate tax comparison.
Unlike basic tools, this calculator works as a tax decision engine — showing tax payable under both regimes along with exact tax savings so you can confidently choose the better option.
👉 Download Old vs New Tax Regime Calculator (Excel) – Free & Instant
👉 Prefer only new regime? Use our New Regime Income Tax Calculator
Why This Calculator is Important
- Compare old vs new tax regime instantly
- Avoid wrong regime selection
- Understand real tax impact with deductions
- Identify maximum tax saving
- Make informed decision before filing ITR
Why You Must Compare Old vs New Tax Regime Before Filing ITR
Choosing between the old vs new tax regime is not just a formality — it directly impacts your final tax liability. Many taxpayers assume the new regime is always better due to lower tax rates, but in reality, the correct choice depends on your income structure, deductions, and investments.
Under the old regime, taxpayers can claim deductions like Section 80C, 80D, HRA, and home loan interest, which can significantly reduce taxable income. On the other hand, the new regime offers lower slab rates but removes most deductions, making it beneficial only when deductions are minimal.
This is why using an old vs new tax regime calculator AY 2026–27 is essential. It helps you compare both regimes side-by-side and ensures that you don’t end up paying higher tax due to wrong selection.
Old vs New Tax Regime – When to Choose Which?
| Situation / Criteria | Old Tax Regime is Better | New Tax Regime is Better |
|---|---|---|
| Deductions (80C, 80D, etc.) | You claim multiple deductions (PF, LIC, ELSS, medical) | You have low or no deductions |
| HRA Benefit | You receive and claim HRA exemption | HRA not applicable or minimal |
| Home Loan | You claim interest + principal deduction | No home loan or not claiming benefits |
| Investment Style | You actively invest for tax saving | You prefer no investment-linked tax planning |
| Income Structure | Salary with exemptions and deductions | Clean income without exemptions |
| Tax Preference | Comfortable with deductions & documentation | Prefer simple and hassle-free tax system |
| Slab Benefit | Effective tax reduces due to deductions | Benefit from lower slab rates |
| Compliance | Slightly complex (proofs required) | Simple (no proof or deduction tracking) |
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Key Differences Between Old vs New Tax Regime (AY 2026–27)
Choosing between the old and new tax regime depends on how your income is structured and whether you claim deductions. While the new tax regime offers lower slab rates, the old regime provides multiple deductions and exemptions that can significantly reduce taxable income.
Below is a clear comparison of both regimes based on important tax parameters:
📑 Old vs New Tax Regime – Detailed Comparison
| Feature | Old Tax Regime | New Tax Regime |
|---|---|---|
| Tax Slabs | Higher slab rates | Lower slab rates |
| Standard Deduction | ₹50,000 | ₹75,000 |
| Section 80C Deduction | Allowed (up to ₹1.5 lakh) | Not allowed |
| Section 80D (Medical) | Allowed | Not allowed |
| HRA Exemption | Allowed | Not allowed |
| Home Loan Interest (SOP) | Allowed (up to ₹2 lakh) | Not allowed |
| House Property Loss Set-off | Allowed | Not allowed |
| Capital Gains Tax | Same in both regimes | Same in both regimes |
| Rebate u/s 87A | Up to ₹5 lakh | Up to ₹12 lakh |
| Marginal Relief | Not applicable | Applicable near ₹12 lakh |
| Surcharge | Up to 37% | Capped at 25% |
| Compliance | Higher (proof required) | Lower (simplified) |
The choice between old vs new tax regime depends on your deductions, income structure, and tax-saving investments — use the calculator above to find the exact tax saving.
How to Use Old vs New Tax Regime Calculator (Step-by-Step)
Using the Old vs New Tax Regime Calculator AY 2026–27 (Excel) is simple and helps you accurately compare tax under both regimes. Follow these steps to get the correct tax computation and identify the better regime:
✅ Step 1: Enter Basic Details
Go to the input sheet and fill your residential status, age, and salary income. These are essential for applying correct tax rules and exemption limits.
✅ Step 2: Add Other Income
Include income from interest, dividend, or any other sources. This ensures complete tax calculation under both regimes.
✅ Step 3: Enter House Property Details
Provide details of self-occupied or let-out property, including interest on housing loan. The calculator will apply correct rules for both regimes.
✅ Step 4: Enter Deductions (Old Regime Only)
Add deductions like Section 80C, 80D, and HRA exemption. These are considered only under the old regime.
✅ Step 5: Input Capital Gains (If Any)
Enter STCG and LTCG separately. The calculator applies special tax rates automatically.
✅ Step 6: View Tax Comparison
The calculator will instantly show tax payable under old vs new regime, including rebate, surcharge, and cess.
✅ Step 7: Check Best Regime
Review the section “Which Regime to Select?” to see which option saves more tax and by how much.
Tax Saving Example – Old vs New Tax Regime (AY 2026–27)
Understanding the difference between the old and new tax regime becomes much easier with a practical example. Below is a real-world scenario showing how tax liability can change based on deductions and income structure.
📊 Example: Salaried Individual
| Particulars | Amount (₹) |
|---|---|
| Salary Income | 12,00,000 |
| Standard Deduction | (75,000 / 50,000) |
| 80C Deduction | 1,50,000 |
| 80D Deduction | 25,000 |
| Net Taxable Income | Calculated Below |
🧮 Tax Comparison
| Regime | Tax Payable (₹) |
|---|---|
| New Tax Regime | ~ 0 (due to rebate under 87A) |
| Old Tax Regime | ~ 46,800 |
🎯 Insight
👉 In this case, the New Tax Regime is more beneficial because the rebate under Section 87A eliminates tax liability up to ₹12 lakh (subject to conditions).
⚠️ Important Variation
Now consider the same person with higher deductions:
| Particulars | Amount (₹) |
|---|---|
| Salary Income | 12,00,000 |
| 80C + 80D + HRA | 3,00,000 |
👉 Result:
| Regime | Tax Payable |
|---|---|
| Old Regime | Lower tax due to deductions |
| New Regime | Higher tax |
💡 Key Takeaway
- If your deductions are low, the new regime is usually better
- If your deductions are high, the old regime may save more tax
- There is no universal answer — comparison is essential
👉 Use the calculator below to compare your actual tax and find the best regime instantly.
Compare Tax & Choose the Best Regime Instantly
Download this Old vs New Tax Regime Calculator AY 2026–27 (Excel) to accurately compare your income tax under both regimes and identify which option saves more tax. This tool is designed for salaried individuals and covers salary income, house property, capital gains, rebate under Section 87A, marginal relief, surcharge, and cess. Prefer only new regime? Use our New Regime Income Tax Calculator
Why This Tool is Trusted
- ✔ 100% Free – No signup required
- ✔ Accurate as per AY 2026–27 tax rules
- ✔ Easy to use (fill only yellow cells)
- ✔ Built for real tax planning (not basic estimation)
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👉 Use our online calculator for quick results (mobile-friendly, no download required):
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What’s Included in This Excel?
- ✔ Old vs New Tax Regime comparison
- ✔ Salary, house property & other income
- ✔ Capital gains (STCG & LTCG) calculation
- ✔ Section 87A rebate & marginal relief
- ✔ Surcharge and cess computation
- ✔ Automatic regime recommendation
FAQs – Old vs New Tax Regime AY 2026–27
❓ Which tax regime is better for AY 2026–27?
There is no one-size-fits-all answer. The new tax regime is beneficial if you have low or no deductions, while the old regime is better if you claim deductions like Section 80C, 80D, HRA, and home loan interest. The best way to decide is to compare both using a calculator.
❓ Can I switch between old and new tax regime every year?
Yes, salaried individuals can switch between regimes every year while filing their income tax return. However, business or professional income taxpayers have restrictions on switching.
❓ Is standard deduction allowed in both regimes?
Yes, standard deduction is allowed in both regimes. For AY 2026–27, it is ₹50,000 under the old regime and ₹75,000 under the new regime.
❓ Are deductions under Section 80C allowed in the new regime?
No, deductions under Chapter VI-A such as Section 80C, 80D, and others are not allowed under the new tax regime.
❓ Is HRA exemption available in the new tax regime?
No, HRA exemption is available only under the old tax regime and not under the new regime.
❓ How is rebate under Section 87A different in both regimes?
Under the old regime, rebate is available up to taxable income of ₹5 lakh (maximum ₹12,500). Under the new regime, rebate is available up to ₹12 lakh (maximum ₹60,000), subject to conditions.
❓ Is capital gains tax different in old and new regime?
No, capital gains (STCG and LTCG) are taxed at the same rates in both regimes. However, surcharge and rebate applicability may differ.
❓ Should I choose new regime if my income is below ₹12 lakh?
In many cases, yes — because rebate under Section 87A can reduce tax liability to zero. However, if you have significant deductions, the old regime may still be beneficial.
❓ Do I need to submit proof for deductions in the new regime?
No, the new tax regime does not require investment proofs since most deductions are not allowed.
❓ How do I know which regime saves more tax?
The easiest way is to use an old vs new tax regime calculator, which compares both regimes and shows the exact tax saving instantly.
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Disclaimer:
This income tax calculator is provided for general informational purposes only and is based on applicable provisions for AY 2026–27. It is designed for salaried individuals and does not cover business or professional income. While every effort has been made to ensure accuracy, tax laws are subject to change through Finance Acts, CBDT notifications, and judicial interpretations. Users are advised to verify results or consult a qualified tax professional before making any financial decisions. TaxBizMantra is not responsible for any errors or decisions taken based on this tool.
