Advance Tax Calculator - Quarterly Due Amount Planner
Use this advance tax calculator India taxpayers use to estimate quarterly installments, shortfall and indicative interest impact.
Updated: April 2026·By Rajat
Tax Inputs
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Advance Tax Summary
Net Advance Tax Pending
₹3.00 L
₹3,00,000 pending after paid taxes
Estimated Liability
₹3.00 L
Total Paid
₹0.00
Est. Interest on Shortfall
₹15,150.00
Simplified monthly estimate
| Due Date | Cumulative % | Required Tax | Shortfall | Est. Interest |
|---|---|---|---|---|
| June 15 | 15% | ₹45,000 | ₹45,000 | ₹1,350 |
| September 15 | 45% | ₹1,35,000 | ₹1,35,000 | ₹4,050 |
| December 15 | 75% | ₹2,25,000 | ₹2,25,000 | ₹6,750 |
| March 15 | 100% | ₹3,00,000 | ₹3,00,000 | ₹3,000 |
How this quarterly advance tax calculator works
- 1Enter estimated annual tax liability before advance tax adjustment.
- 2Enter tax already paid (TDS/TCS + prior installments).
- 3Review due amount at each cumulative quarter milestone.
- 4Check projected shortfall and simplified interest estimate.
- 5Pay planned installment before due date to reduce interest risk.
Due schedule and planning logic used
- June 15: 15% cumulative tax payment
- September 15: 45% cumulative tax payment
- December 15: 75% cumulative tax payment
- March 15: 100% cumulative tax payment
Interest estimate shown here is simplified for planning and not a substitute for return-filing final computation.
Frequently Asked Questions
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