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Plan quarterly advance tax with 44ADA support
₹15,00,000
Advance tax = Total tax - TDS
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Advance tax prevents a large year-end tax bill by spreading tax payments over four quarterly installments. For freelancers and professionals under Section 44ADA, the entire advance tax is due in a single payment by March 15 — a simpler but often overlooked schedule. Missing any deadline or underpaying below the required percentage triggers Section 234C and 234B interest at 1% per month, which adds up quickly on large income levels.
The calculator first determines total annual tax liability: enter gross income, select taxpayer type (salaried/freelancer/business), and enable 44ADA if applicable. For 44ADA professionals, taxable income is automatically set to 50% of gross receipts. Both Old and New regimes are computed and the lower-tax option recommended.
For non-44ADA taxpayers, the quarterly installment schedule is generated: 15% of net tax (after TDS) by June 15, 45% by September 15, 75% by December 15, and 100% by March 15. Each installment shows the cumulative amount due and the running shortfall if prior installments were missed.
The penalty calculator uses Section 234C formula (1% per month on the installment shortfall) and Section 234B formula (1% per month if total tax paid before March 31 is below 90% of final liability).
A freelance UI designer with Rs 18 lakh annual receipts under 44ADA determining their single March 15 advance tax payment under the New Regime.
A salaried employee with Rs 3 lakh additional rental income checking if they have an advance tax obligation beyond their salary TDS.
A chartered accountant advising a business client on the December 15 installment after a large Q3 contract increased their income significantly.
A consultant who forgot to pay the June installment calculating their Section 234C interest exposure for planning the September payment.
Scope note: Advance tax calculation uses FY 2025-26 rules and 44ADA limit of Rs 75 lakh. 44ADA receipt limit for FY 2025-26 uses the expanded limit for digital receipts — verify current limit on the Income Tax website. Section 234C interest is simplified to 1% per month; actual computation uses number of months from due date to payment date. Consult a CA for complex cases with multiple income sources and large TDS credits.
Disclaimer: This calculator is for informational and educational purposes only and does not constitute financial, tax, or legal advice. Results are estimates based on publicly available tax slabs and formulas. Consult a qualified Chartered Accountant, tax professional, or financial advisor for guidance specific to your situation. Built and maintained by the WOWHOW Team with 14+ years of software development experience.
Select your taxpayer type — Salaried, Freelancer, or Business
Enter gross income and toggle 44ADA if you are a freelancer/professional
Compare Old vs New regime tax and pick the one that saves more
View your quarterly advance tax installment schedule with due dates
About the Advance Tax Calculator
Advance tax must be paid if your total tax liability for the year exceeds Rs 10,000 after deducting TDS. Senior citizens (60+) without business income are exempt.
Section 44ADA is a presumptive taxation scheme for professionals (doctors, lawyers, architects, engineers, etc.) with gross receipts up to Rs 75 lakh. Only 50% of receipts are treated as taxable income.
Interest under Section 234C is charged at 1% per month on the shortfall for each quarter. If you pay less than 90% of total tax by March 31, additional interest under Section 234B applies at 1% per month.
All calculations happen entirely in your browser. No data is sent to any server.
For non-44ADA taxpayers: 15% of total tax liability by June 15, 45% by September 15, 75% by December 15, and 100% by March 15. Shortfall in each installment attracts Section 234C interest. For 44ADA professionals, the entire liability is due in a single installment by March 15.
Yes. If you have income outside of salary — FD interest, rental income, capital gains, or freelance work — and the total tax on all income after TDS credit exceeds Rs 10,000, you must pay advance tax on those additional income sources in the quarterly installments.
Use your best estimate of total year-end income. If you underestimate, the shortfall in early quarters attracts Section 234C interest. Many freelancers use the previous year's income as a base and adjust upward for known large projects. The calculator lets you adjust your income estimate before each quarter's deadline.
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