Advance Tax Instalment Planner
Enter the income you expect this year, the TDS on it and what you have paid so far, and the planner lays the tax over the four instalment dates, shows where you stand today, charges the interest the law would on any shortfall, and tells you what to pay by the next date to stop it — plus the ways to pay less through the year: extra TDS via the employer, the cheaper regime, the presumptive single instalment.
Tax year 2026-27 · Income-tax Act, 2025 (sections 403–408 for advance tax, 424 and 425 for interest; the 1961 numbers 207–211, 234B and 234C are named alongside) · rates per the Finance Acts · reviewed 2026-09-14
You
Income you expect this year
Capital gains and windfalls
Already paid or deducted
The plan on these figures
Advance tax due dates for FY 2026-27
The instalments under section 408 of the Income-tax Act, 2025 (section 211 of the 1961 Act), cumulative, for every assessee other than one declaring presumptive income.
| Due date | Cumulative share of the year’s tax | Interest if short (section 425 / 234C) |
|---|---|---|
| 15 June 2026 | 15% | 1% a month for 3 months on the shortfall; none if at least 12% is paid |
| 15 September 2026 | 45% | 1% a month for 3 months on the shortfall; none if at least 36% is paid |
| 15 December 2026 | 75% | 1% a month for 3 months on the shortfall |
| 15 March 2027 | 100% | 1% a month for 1 month on the shortfall |
| 15 March 2027 (presumptive, section 58 / 44AD, 44ADA) | 100% in one instalment | 1% for one month on the shortfall |
| 31 March 2027 | Payments up to this date still count as advance tax | Below 90% paid: section 424 (234B), 1% a month from 1 April 2027 until paid |
Advance tax: the questions people ask
Who has to pay advance tax in 2026-27?
Anyone whose tax for the year, after TDS and TCS, is ₹10,000 or more (section 404 of the Income-tax Act, 2025; section 208 of the 1961 Act). A resident individual aged 60 or more with no income from business or profession is exempt (section 403(2); 207(2)).
What are the advance tax due dates for FY 2026-27?
15 June 2026 (15% of the year’s tax), 15 September 2026 (45%), 15 December 2026 (75%) and 15 March 2027 (100%), cumulative (section 408; section 211 of the 1961 Act). Presumptive income under section 58 (44AD / 44ADA) is paid in one instalment by 15 March 2027. Tax paid up to 31 March 2027 still counts as advance tax.
What is the interest for missing an advance tax instalment?
Section 425 (234C): 1% a month, simple, for three months on the shortfall at each of the first three dates and one month on the 15 March shortfall, with the shortfall rounded down to ₹100. No interest on the June or September date where at least 12% or 36% respectively has been paid. Section 424 (234B): if less than 90% of the year’s tax is paid by 31 March, 1% a month from 1 April 2027 on the whole shortfall until paid.
Is there interest if a capital gain arises late in the year?
No, for the instalments before it. Tax on capital gains, dividends and winnings is expected only from the instalment that falls after the income arose, provided it is paid in the remaining instalments — or by 31 March where it arose after 15 March (proviso to section 425; 234C).
Does TDS count towards advance tax?
Yes. Advance tax is the year’s tax less the TDS and TCS expected on it (section 405; 209). A salaried person can have tax on other income deducted by the employer under section 192(2B), which counts in full without any instalment date.
Did the Finance Act, 2026 change advance tax?
The instalment dates, the percentages, the ₹10,000 threshold and the interest rules are unchanged for tax year 2026-27; the Income-tax Act, 2025 renumbers the provisions (207–211 become 403–408; 234A, 234B and 234C become 423, 424 and 425).
See also the capital gains calculator, which names the instalment a gain falls into, the advance income tax calculator for the full computation, the TDS compliance calendar, or all calculators.
Quoting this calculator?
You are welcome to use these figures in an article, a forum answer or a client note. A link back is all I ask — here it is, ready to paste.