What due dates does the advance tax calculator show?

It shows the statutory instalment dates of 15 June, 15 September, 15 December, and 15 March with 15%, 45%, 75%, and 100% cumulative tax coverage.

What if estimated tax liability is below ₹10,000?

s.404, Income-tax Act 2025 (earlier s.208, Income-tax Act 1961) does not require advance tax if the estimated total tax liability is below ₹10,000.

A private CA firm — not MCA, the Income Tax Department or any government body. Tool results are not advice until a CA reviews them.

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Advance tax quarterly instalment calculator

Q: Does the tool compute s.425 (earlier s.234C) interest?

No. It states the shortfall interest under s.425, Income-tax Act 2025 (earlier s.234C, Income-tax Act 1961) — 3% of the shortfall for each of the June, September and December instalments and 1% for March (s.425 Table) — but does not compute the interest amount.

Calculate the quarterly advance tax instalments from your estimated total tax liability for the year. This tool uses only the statutory schedule and interest note cited on the page.

Thresholds as at June 2026. Verify with MCA portal and legal counsel before acting.Last updated: 2026-07-25.

Tax inputs

Rules used: ss.404 and 408, Income-tax Act 2025 (earlier ss.208 and 211, Income-tax Act 1961) for advance tax timing, and shortfall interest under s.425, Income-tax Act 2025 (earlier s.234C, Income-tax Act 1961): 3% of the shortfall for each of the June, September and December instalments and 1% for March (s.425 Table). This tool shows the rate only and does not compute interest.

What this tool shows

Enter your estimated total tax liability for the financial year and select the taxpayer type. Company and other assessees follow the same instalment schedule under s.408(1), Income-tax Act 2025 (earlier s.211(1)(a), Income-tax Act 1961).

The calculator shows the cumulative percentages for 15 June, 15 September, 15 December, and 15 March, plus the amount due in each instalment.

It also flags the s.404 threshold (earlier s.208) and states the s.425 shortfall interest rate (earlier s.234C) without computing interest.