For Financial Year 2026-27 | Assessment Year 2027-28
The Union Budget 2026-27, presented by Finance Minister Nirmala Sitharaman on February 1, 2026, brings stability and continuity in income tax rates while introducing significant structural reforms. Income Tax Calculator FY 2026-27 India helps taxpayers instantly compare the new and old tax regimes after Budget 2026. Instead of guessing your tax liability, this calculator shows your exact payable tax and automatically recommends the smarter option based on your income and deductions. This calculator compares the New Tax Regime and the Old Tax Regime based on the latest Budget 2026 rules and automatically picks the best option.
Key Highlights from Budget 2026 for Taxpayers
✅ No Changes in Income Tax Slabs
The income tax slabs remain unchanged from FY 2025-26 for both old and new tax regimes. This provides predictability for financial planning.
💰 Maximum Tax-Free Income: ₹12.75 Lakh
Under the New Tax Regime:
- Zero tax payable on income up to ₹12 lakh (after Section 87A rebate)
- Salaried employees can earn up to ₹12.75 lakh tax-free (including ₹75,000 standard deduction)
📋 New Income Tax Code 2025 Coming April 2026
The Income Tax Code, 2025, will replace the Income Tax Act, 1961, effective April 1, 2026, featuring:
- Simplified language and reorganized provisions
- Redesigned ITR forms for easier compliance
- Automated compliance processes
How It Works (Logic Summary)
- Input your annual gross income
- Enter eligible deductions (only for Old Regime)
- The calculator computes taxable income under both regimes
- Applies the correct slabs and rebates
- Adds cess (4%)
- Shows tax payable in each regime and the smart choice
Key Rules After Budget 2026:
✔ New Regime standard deduction = ₹75,000
✔ Old Regime standard deduction = ₹50,000
✔ New Regime rebate upto ₹12,00,000 (zero tax)
✔ Old Regime rebate upto ₹5,00,000 (zero tax)
✔ Deduction inputs apply only in the Old Regime
Progressive Slabs Used in the Calculator

New Tax Regime (FY 2026-27)
Income Tax Slabs
0 – ₹4,00,000 → 0%
₹4,00,001 – ₹8,00,000 → 5%
₹8,00,001 – ₹12,00,000 → 10%
₹12,00,001 – ₹16,00,000 → 15%
₹16,00,001 – ₹20,00,000 → 20%
₹20,00,001 – ₹24,00,000 → 25%
Above ₹24,00,000 → 30%
Key Benefits:
- Standard Deduction: ₹75,000 for salaried individuals
- Section 87A Rebate: Up to ₹60,000 (making income up to ₹12 lakh tax-free)
- 30% tax rate now applies only above ₹24 lakh (vs. ₹15 lakh previously)
Rebate
✔ If taxable income (after standard deduction) ≤ ₹12,00,000 → tax = ZERO
Old Tax Regime (FY 2026-27)
Income Tax Slabs
0 – ₹2,50,000 → 0%
₹2,50,001 – ₹5,00,000 → 5%
₹5,00,001 – ₹10,00,000 → 20%
Above ₹10,00,000 → 30%
Key Benefits:
- Standard Deduction: ₹50,000
- Multiple deductions available under Section 80C, 80D, HRA, etc.
- Zero tax up to ₹5 lakh income
Rebate
✔ If taxable income (after deductions + standard deduction) ≤ ₹5,00,000 → tax = ZERO
You can verify official tax provisions on the Income Tax Department website.
Calculator Logic (Step by Step)

Step 1 — Taxable Income
New Regime
Taxable = Gross Income – 75,000
Old Regime
Taxable = Gross Income – 50,000 – Total Deductions
Total Deductions = sum of
✔ Section 80C (max 1.5 lakh)
✔ Section 80D (health insurance)
✔ Home loan interest
✔ Other eligible deductions
Ensure deductions do not exceed legal limits.
Step 2 — Apply Slab Tax
Tax = sum of slab amounts × slab rates.
Step 3 — Apply Rebate
- New Regime: If taxable ≤ ₹12,00,000, tax = ₹0
- Old Regime: If taxable ≤ ₹5,00,000, tax = ₹0
Step 4 — Add Cess 4%
Final Tax = Tax × 1.04
Income Tax Calculator FY 2026-27
🔍 Example Tax Calculation (New Regime)
Annual Income: ₹15,00,000 (Salaried)
| Component | Amount (₹) |
|---|---|
| Gross Income | 15,00,000 |
| Less: Standard Deduction | (75,000) |
| Taxable Income | 14,25,000 |
Tax Calculation:
- ₹0-4,00,000: Nil = ₹0
- ₹4,00,001-8,00,000 @ 5% = ₹20,000
- ₹8,00,001-12,00,000 @ 10% = ₹40,000
- ₹12,00,001-14,25,000 @ 15% = ₹33,750
Subtotal: ₹93,750
Add: 4% Health & Education Cess = ₹3,750
Total Tax Payable: ₹97,500

If your income is ₹10,00,000 and deductions ₹1,50,000:
✔ New Regime Tax (after rebate/standard deduction)
✔ Old Regime Tax (after deductions)
The calculator shows both and recommends the smarter choice. Using an Income Tax Calculator FY 2026-27 India is now essential because small deduction differences can change your final tax by thousands of rupees.
you can also refer my page for the previous budget-related income tax calculator.
Budget 2026 vs Budget 2025 – What Changed for Taxpayers
Stability instead of surprises
Budget 2025 focused on promoting the new regime with rebate expansion and deduction tweaks. Budget 2026 kept the system stable rather than introducing new slabs. This stability signals that the government wants taxpayers to gradually shift toward the simplified regime.
New regime remains the government’s preferred model
The continued higher standard deduction and rebate thresholds show that policymakers are encouraging taxpayers to move toward the new system where compliance is easier, and paperwork is minimal.
Old regime still relevant for deduction-heavy taxpayers
Despite policy preference, the old regime continues to benefit those with home loans, insurance, HRA claims, and large investments. Budget 2026 did not remove it, which means taxpayers still have flexibility.
Predictability helps planning
Since slabs stayed stable, taxpayers can now plan long-term investments without worrying about sudden tax rule changes every year.
What This Means for Salaried Individuals and Professionals
For salaried employees
The new regime is attractive for those with limited deductions and a focus on higher monthly income.
For families with loans or rent
The old regime can still reduce taxes significantly if deductions are high.
For freelancers and consultants
The simplified structure of the new regime often reduces compliance effort and helps in predictable tax planning.
For long-term investors
The old regime continues to reward disciplined saving habits.
The calculator you created becomes extremely useful here because it gives a personalized answer rather than a generic recommendation.
Conclusion
Budget 2026 did not introduce dramatic changes in personal taxation, but that itself is important. It confirms that India is moving toward a stable and simplified tax system while still allowing taxpayers the freedom to choose what suits them best.
Instead of guessing which regime is better, taxpayers should rely on data-driven comparisons. A smart income tax calculator removes confusion, saves time, and prevents overpayment of tax.
For most people today, the best approach is simple: calculate both regimes, compare the results, and let numbers guide your decision.
FAQs – Income Tax Calculator & Tax Regime (FY 2026-27)
Q1. Which tax regime is the default after Budget 2026?
The new tax regime continues as the default system. However, taxpayers can still choose the old regime while filing returns.
Q2. Did Budget 2026 change the income tax slabs?
No major slab changes were announced. The structure remains stable, which gives taxpayers predictability in planning investments and deductions.
Q3. Is income up to ₹12 lakh tax-free now?
In the new regime, effective tax can become zero up to ₹12 lakh due to rebate and standard deduction benefits. But this depends on the salary structure and the taxable income calculation.
Q4. Can I switch regimes every year?
Salaried employees can choose between regimes every financial year. Business income earners can switch only once after selecting the new regime.
Q5. Should I invest just to save tax now?
Tax savings should not be the only reason to invest. Choose investments based on financial goals, risk profile, and liquidity needs. The calculator helps you decide whether deductions actually reduce tax or not.

