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Tax Calculator

Income Tax Calculator

Calculate your income tax liability under the Old Tax Regime for FY 2024-25 — enter your salary, deductions, and other income sources to see your taxable income and tax payable instantly.

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Taxable Income
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Tax Payable
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Total Tax (incl. cess)
Applicable Tax Slabs (Old Regime)
Disclaimer: This calculator uses Old Tax Regime slabs for FY 2024-25. Standard deduction of ₹50,000 is applied automatically. 80C capped at ₹1.5L, 80D at ₹25,000 (individual), Home Loan interest u/s 24b capped at ₹2L. Cess @ 4% is included. This is illustrative only — consult a tax advisor for accurate filing.

Income Tax Calculation

How your tax is calculated step-by-step under the Old Regime — from gross income to final tax payable including 4% cess.

Step 1 — Gross Total Income
GTI = Salary + Other Sources + Interest Income
Step 2 — Taxable Income
TI = GTI − Std. Deduction (₹50,000) − 80C − 80D − 24b − 80CCD(1B)
Step 3 — Total Tax Payable
Total Tax = Slab Tax on TI + Cess (4% on Slab Tax)
Old Regime — Tax Slabs (Below 60 Years)
Up to ₹2,50,000
Nil
No tax
₹2,50,001 – ₹5,00,000
5%
Max ₹12,500
₹5,00,001 – ₹10,00,000
20%
Max ₹1,00,000
Above ₹10,00,000
30%
Highest slab
Health & Education Cess
4%
On total tax
Standard Deduction
₹50K
Auto-applied
Key Deductions at a Glance
80C
Basic Deductions
PPF, ELSS, EPF, LIC, NSC — capped at ₹1,50,000
80D
Health Insurance
Self/family premium — up to ₹25,000 (₹50K for senior citizens)
24b
Home Loan Interest
Self-occupied property — capped at ₹2,00,000 per year
80CCD
NPS Contribution
Additional NPS u/s 80CCD(1B) — up to ₹50,000 over 80C
Worked Example

Salaried individual, below 60 years, FY 2024-25:

  • Gross Salary = ₹12,00,000 p.a.
  • Other Income = ₹50,000
  • 80C = ₹1,50,000  ·  80D = ₹25,000  ·  Standard Deduction = ₹50,000
  • GTI = ₹12,00,000 + ₹50,000 = ₹12,50,000
  • Deductions = ₹50,000 + ₹1,50,000 + ₹25,000 = ₹2,25,000
  • Taxable Income (TI) = ₹12,50,000 − ₹2,25,000 = ₹10,25,000
  • Tax: ₹0 (up to 2.5L) + ₹12,500 (2.5–5L @ 5%) + ₹1,00,000 (5–10L @ 20%) + ₹7,500 (10–10.25L @ 30%) = ₹1,20,000
  • Cess = ₹1,20,000 × 4% = ₹4,800
Total Tax = ₹1,24,800

On taxable income of ₹10,25,000 (Old Regime, FY 2024-25)
Effective rate ≈ 9.98% of Gross Total Income

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