Advance Tax Calculator & Section 234B/234C Interest Pro (2026)
Compute your quarterly advance tax liabilities across the 15%, 45%, 75%, and 100% statutory thresholds. Automatically audit Section 234C deferment and Section 234B default interest liabilities, and generate an A4 Advance Tax Assessment Statement.
payments 1. Estimated Annual Incomes (AY 2026-27)
receipt 2. Deductions & TDS/TCS Withholding
person 3. Taxpayer & Assessment Information
info Section 208, 234B & 234C Statutory Advance Tax Rules
Under Section 208 of the Income Tax Act, 1961, every taxpayer whose estimated net tax liability (after subtracting TDS and TCS credits) is ₹10,000 or more must pay Advance Tax in four quarterly installments:
- Quarterly Thresholds: On or before 15th June (15%), 15th September (45%), 15th December (75%), and 15th March (100%). Presumptive taxpayers under Section 44AD/44ADA pay 100% in a single installment by 15th March.
- Section 234C Deferment Interest: 1% simple interest per month for 3 months on any shortfall below the prescribed statutory percentage at each installment due date (1 month for the March installment).
- Section 234B Default Interest: 1% simple interest per month levied from April 1st of the Assessment Year if total advance tax paid before March 31 is less than 90% of the assessed tax.
- Senior Citizen Exemption: Resident senior citizens (aged 60+) who have no business or professional income are completely exempt from advance tax under Section 207(2).
ADVANCE TAX ESTIMATION & AUDIT STATEMENT
Section 208 Statutory Installments & Section 234B / 234C Interest Assessment
Statutory Quarterly Advance Tax Schedule (figures in Indian Rupees ₹)
| Inst. | Statutory Due Date | Cumulative % | Cumulative Target | Instalment Due | Sec 234C Rate |
|---|
Income Computation & Tax Audit Summary (statutory tax heads & credits)
| Income Head / Statutory Component | Amount (₹) | Statutory Provision / Remarks |
|---|
Certified that the total taxable income of ₹0.00 results in an assessed tax of ₹0.00. After adjusting TDS/TCS of ₹0.00, the net advance tax liability stands at ₹0.00. Timely deposit of installments avoids mandatory interest under Sections 234B and 234C.