Advance Tax Calculator

What you'll see in the results

8 outputs come back. Here is what each one means.

Total tax

Income tax + cess — what you actually pay.

Tax after Rebate 87A

Tax after applying Rebate 87A (waiver up to ₹5 lakh total income).

Education cess (4%)

4% education cess added to the income tax.

Advance tax payable

Total advance tax you must pay across all four quarterly installments.

Q1 (15 Jun)

First installment — due 15 June of the financial year.

Q2 (15 Sep)

Second installment — due 15 September of the financial year.

Q3 (15 Dec)

Third installment — due 15 December of the financial year.

Q4 (15 Mar)

Fourth installment — due 15 March of the financial year.

How to use this calculator

1. 1

   Enter your annual income

   Type your estimated gross annual income for the financial year in rupees. Include salary, business income, rental income, interest, and any other taxable receipts. This is your expected income before any deductions.

2. 2

   Add other income and deductions

   Enter any other income (like interest or rental income) that is not already included in your salary, and the total deductions you expect to claim under the Income Tax Act 2025.

3. 3

   Pick your age group

   Choose Below-60, Senior-citizen (60–79), or Super-senior-citizen (80+). The basic exemption limit and advance-tax rules differ for senior citizens.

4. 4

   Read the quarterly installment schedule

   Results show your total tax, tax after Rebate 87A, cess, and the exact amount to pay in each of the four installments — due 15 June, 15 September, 15 December, and 15 March. Pay on time to avoid interest charges under section 234B.

Methodology and sources

The calculator estimates your annual tax under the Income Tax Act 2025 and divides it into four equal installments due on 15 June, 15 September, 15 December, and 15 March. If your tax liability after Rebate 87A exceeds ₹10,000 in a year, advance tax is compulsory. Interest under section 234B applies for shortfalls.

1. 1. Income Tax Act 2025 — sections 207–214 (advance tax liability) Statutory basis for advance tax computation and installment schedule. Verified 19 October 2026.
2. 2. Income-tax Rules, 2026 — due dates for advance tax installments Quarterly installment deadlines: 15 June, 15 September, 15 December, 15 March. Verified 19 October 2026.
3. 3. Income Tax Department — advance tax guide Official advance tax computation guide and calculator. Verified 19 October 2026.

• Income Tax Calculator

  Estimate your income tax under the new regime (Income Tax Act 2025) for FY 2026-27. Enter your annual income to see your slab-wise tax, Rebate 87A, and cess.

• TDS Calculator

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