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.

Does the tool compute Section 234C interest?

No. It states the Section 234C shortfall interest rate of 1% per month but does not compute the interest amount.

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

Section 208 does not require advance tax if the estimated total tax liability is below ₹10,000.

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Advance tax quarterly instalment calculator

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: Sections 208 and 211 of the Income-tax Act for advance tax timing, and Section 234C for shortfall interest at 1% per month. 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 Section 211(1)(a).

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 Section 208 threshold and states the Section 234C shortfall interest rate without computing interest.