Advance Tax Calculator
Work out your quarterly advance tax instalments, check whether you're on track, and estimate interest under Sections 234B and 234C.
Taxpayer Details
Advance Tax Paid
Unforeseen income relief (Section 234C proviso)
If unforeseen income arose after an instalment's due date and tax on it is paid in the remaining instalments, 234C interest is waived for the earlier instalment(s). Select the quarter it arose in to apply this relief.
Payment Schedule
Instalment-wise Breakdown
| Due Date | Required (Cumulative) | Paid (Cumulative) | Shortfall | 234C Interest |
|---|
Estimates only. Uses Section 211 instalment percentages (15% / 45% / 75% / 100% for regular taxpayers; 100% by 15 March for presumptive taxpayers under 44AD/44ADA) and 1%-per-month interest assumptions for Sections 234B and 234C, including the statutory 12%/36% tolerance for the first two instalments and optional relief for unforeseen income under the proviso to Section 234C(1). This calculator does not constitute tax advice — please consult a qualified Chartered Accountant before making payments or filing your return.