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Calculate advance tax installments and due dates for FY 2025-26.
Indicative result. Final figures may differ based on specific facts.
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The exact formula, statutory references and edge-cases used to compute your result. Reviewed by CA Ankita Jainik Soni.
Advance tax is paid in 4 instalments: 15% by 15 June, 45% by 15 September, 75% by 15 December, 100% by 15 March. Each instalment is cumulative — 15% of total tax by June, 45% by Sept (additional 30%), 75% by Dec (additional 30%), 100% by March (additional 25%).
If advance tax paid is less than 90% of assessed tax, interest at 1% per month (simple) is charged on the shortfall. Computed from the start of the assessment year (1 April) until actual payment.
Interest for short-payment of individual instalments: 1% per month for 3 months on shortfall from each due date. Pre-computed rates — 15% shortfall in June attracts 3-month interest, 45% in September, 75% in December.
Capital gains tax is not subject to advance tax — paid via self-assessment tax before filing ITR. Business income, salary, interest, rent, and other regular income are included in advance tax computation.
Senior citizens (60 years or above) not having business income are exempt from advance tax — can pay entire tax via self-assessment by 31 March without interest under 234B/234C.
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Last updated: 21 June 2026 · Last reviewed by CA Ankita Jainik Soni · Indicative results only