Advance Tax Calculator (India)
This advance tax calculator works out your four quarterly advance tax installments under Section 211 of the Income Tax Act — the cumulative amount due by each of the four statutory deadlines. Enter your estimated total tax liability for the year (after deductions and any TDS already paid) to see exactly how much should be paid by each date.
Your total expected income tax for the year, after all deductions and TDS already paid.
Due by 15 June (15%)
Log in to save₹15,000
How to use this advance tax calculator
- 1Estimated total tax liability for the year: your total expected income tax for the year, after all deductions and TDS already paid.
Understanding your results
Each result shows the cumulative amount that should have been paid by that installment's deadline — not just that installment's own share. The June 15 figure is 15% of your total liability; by September 15 you should have paid a cumulative 45% (a further 30% on top of June); by December 15, a cumulative 75% (another 30%); and by March 15, the full 100% (the final 25%).
The formula
Cumulative due = Total liability × 15% (Jun 15) / 45% (Sep 15) / 75% (Dec 15) / 100% (Mar 15)Section 211 sets four cumulative payment milestones across the financial year rather than four equal installments: 15% of the total by June 15, a cumulative 45% by September 15 (so that quarter's own payment is 30%), a cumulative 75% by December 15 (another 30%), and the full 100% by March 15 (the final 25%). This calculator applies those percentages directly to your entered total liability.
A worked example
With an estimated ₹1,00,000 total tax liability for the year: ₹15,000 is due by June 15, a cumulative ₹45,000 by September 15 (meaning ₹30,000 more is paid in that quarter), a cumulative ₹75,000 by December 15 (another ₹30,000), and the full ₹1,00,000 by March 15 (the final ₹25,000).
Things to know
Advance tax applies to anyone whose total tax liability for the year exceeds ₹10,000, once TDS already deducted is accounted for — this typically includes freelancers, business owners, and salaried employees with significant other income like capital gains, rental income, or interest, where TDS alone doesn't cover the full liability. Missing or shortfalling an installment attracts interest penalties under Sections 234B and 234C — this calculator doesn't compute those penalties, since they depend on the shortfall at each specific deadline and are a separate, more complex calculation. Always verify current thresholds and installment dates against official CBDT guidance.
Frequently asked questions
Do I need to pay advance tax if my employer already deducts TDS on my salary?+
If TDS on your salary alone covers your full tax liability, you generally don't owe additional advance tax. But if you have other income — capital gains, rent, freelance income, interest — that pushes your total liability over ₹10,000 beyond what's already been deducted, advance tax applies to that shortfall.
What happens if I miss an installment or pay less than required?+
You'll typically owe interest under Section 234C for underpaying a specific installment, and under Section 234B if your total advance tax payments for the year fall short of 90% of your final liability. This calculator doesn't compute those interest amounts — they depend on the exact shortfall and timing, which is a more complex, separate calculation.
Are the installment amounts always exactly 15/30/30/25 of the total?+
Yes, by law — the four deadlines require cumulative payments of 15%, 45%, 75% and 100% of your total estimated liability, which works out to that 15/30/30/25 split across the four quarters. Always confirm current deadlines and thresholds against official CBDT guidance, since your estimate of total liability may itself change during the year.
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