Advance Tax & Interest Calculator
Estimate your advance tax installment liability and potential interest penalties under Section 234B and 234C for delayed tax payments.
Adjust Inputs
Real-Time UpdateTotal estimated income tax payable for the year before TDS
TDS credit expected on salary, interest, freelance fees
Mandatory to pay in 4 quarterly installments
Less TDS Credit: ₹40,000
Interest u/s 234C @ 1% per month on deferment
Visual Breakdown
Interactive GraphicDetailed Breakdown & Amortization Schedule
Showing 4 of 4 periods
| Statutory Due Date | Cumulative Requirement | Installment Amount | Cumulative Paid |
|---|---|---|---|
| On or before June 15 | 15% of total tax | ₹16,500 | ₹16,500 |
| On or before September 15 | 45% of total tax | ₹33,000 | ₹49,500 |
| On or before December 15 | 75% of total tax | ₹33,000 | ₹82,500 |
| On or before March 15 | 100% of total tax | ₹27,500 | ₹1,10,000 |
- Under Section 208 of the Income Tax Act, advance tax is payable if your estimated tax liability for the year (after TDS) is ₹10,000 or more.
- Senior citizens (aged 60 or above) resident in India who do not have any income from business or profession are exempt from paying advance tax.
- Delayed payment or short payment attracts interest penalty @ 1% per month under Section 234C (for deferment of installments) and Section 234B (for shortfall of payment).
Need assistance with Income Tax Return (ITR)?
AIS reconciliation, capital gains optimization & certified CA e-filing for AY 2026-27.
Understanding the Advance Tax & Interest Calculator
This calculator provides real-time, mathematically verified computations for Indian tax payers, investors, and businesses. All algorithms are calibrated to Indian statutory standards including the Income Tax Act 1961, CGST Act 2017, and standard banking annuity models.
How It Works
- Enter your baseline financial values using the input fields or interactive sliders.
- Observe instant changes in the summary metrics and visual breakdown charts without page reloads.
- Review the year-by-year or month-by-month amortization schedule for long-term clarity.
- Export your results via CSV or print a clean summary for your tax consultant or accountant.
Sections 208, 234B, and 234C of the Income Tax Act 1961
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