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Income Tax

Advance Tax Calculator

Plan quarterly advance tax payments and compare the old and new tax regimes.

Tax year 2026-27

Your results will appear here

Enter your gross total income to compare both regimes and see the instalment schedule.

Sources & calculation basis8
Section 404, Income-tax Act, 2025Parliament of India
Advance tax shall be payable... where the amount of such tax payable... is ₹10000 or more.

The schedule appears when net tax after TDS is ₹10,000 or more.

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Section 403, Income-tax Act, 2025Parliament of India
Shall not apply to an individual resident in India who does not have any income chargeable under the head "Profits and gains of business or profession" and is of the age of sixty years or more.

Resident seniors with no business or professional income are shown as not liable.

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Section 408, Income-tax Act, 2025Parliament of India
15th June - 15%; 15th September - 45%; 15th December - 75%; 15th March - the whole amount.

The four instalments use these cumulative percentages for tax year 2026-27.

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Section 202(1), Income-tax Act, 2025Parliament of India
Upto ₹400000 - Nil ... From ₹2000001 to ₹2400000 - 25%; Above ₹2400000 - 30%.

New regime slab rates.

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Finance Act, 2026, First Schedule, Part III, Paragraph AParliament of India
Nil up to ₹ 250000 (₹ 300000 at 60, ₹ 500000 at 80); 5%, 20% and 30% above.

Old regime slab rates by age for computing advance tax.

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Section 156, Income-tax Act, 2025Parliament of India
If the income does not exceed twelve lakh rupees, 100% of the income-tax payable or ₹ 60000, whichever is less; above that, tax cannot exceed the income above twelve lakh rupees.

Rebate of up to ₹60,000 (new) or ₹12,500 (old), with new regime marginal relief.

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Section 19(1), Income-tax Act, 2025Parliament of India
₹ 75000 or the salary, whichever is less, under section 202(1); ₹ 50000 or the salary in any other case.

The standard deduction is taken only from the salary or pension you enter.

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Finance Act, 2026, section 3(4) and 3(5)Parliament of India
10% above ₹ 5000000, 15% above ₹ 10000000, 25% above ₹ 20000000, 37% above ₹ 50000000; cess at 4%.

Surcharge with marginal relief (capped at 25% in the new regime), then 4% cess on tax and surcharge.

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Assumptions & limitations

Tax calculations use the Income-tax Act, 2025 and Finance Act, 2026 rates for tax year 2026-27, for resident individuals. The calculator does not account for capital gains, special incomes, AMT or interest under sections 424 and 425. For complete tax planning, please consult a Chartered Accountant.

How advance tax is worked out

Formula

Taxable income = gross income − standard deduction − deductions
Tax = slab tax − rebate + surcharge + 4% cess
Net tax = tax − TDS
Instalment = net tax × cumulative % − earlier instalments

Standard deduction is ₹75,000 (new regime) or ₹50,000 (old regime), and never more than the salary or pension entered. Chapter VI-A deductions count only in the old regime.

Due dates for tax year 2026-27

Advance tax due dates, section 408(1)
Pay byCumulative share
15 June 202615%
15 September 202645%
15 December 202675%
15 March 2027100%

If you declare presumptive income under section 58(2), pay the whole amount by 15 March 2027 instead (section 408(2)).

Worked example

A resident below 60 expects a salary of ₹ 12,00,000 and ₹ 6,00,000 of other income, in the new regime. TDS for the year is ₹ 1,00,000.

Worked example, new regime
ParticularsAmount
Salary₹ 12,00,000
Other income₹ 6,00,000
Less: Standard deduction (salary only)₹ -75,000
Taxable income₹ 17,25,000
5% on ₹ 4,00,000 to ₹ 8,00,000₹ 20,000
10% on ₹ 8,00,000 to ₹ 12,00,000₹ 40,000
15% on ₹ 12,00,000 to ₹ 16,00,000₹ 60,000
20% on ₹ 16,00,000 to ₹ 17,25,000₹ 25,000
Tax on income (no rebate above ₹12 lakh)₹ 1,45,000
Health & Education Cess (4%)₹ 5,800
Total tax₹ 1,50,800
Less: TDS₹ -1,00,000
Net tax payable₹ 50,800

Net tax of ₹ 50,800 is ₹10,000 or more, so advance tax is due in four instalments: ₹ 7,620 by 15 June 2026, ₹ 15,240 by 15 September 2026, ₹ 15,240 by 15 December 2026, ₹ 12,700 by 15 March 2027. In the old regime with no deductions, total tax on the same income is ₹ 3,51,000.

Edge cases

  • Rebate near ₹12 lakh. In the new regime, taxable income up to ₹12,00,000 pays no tax, because the rebate covers up to ₹60,000. Above that, tax cannot be more than the income above ₹12 lakh. At ₹ 12,10,000, slab tax is ₹ 61,500, relief of ₹ 51,500 brings it to ₹10,000, and with cess the total is ₹ 10,400. The relief ends at about ₹12.7 lakh of taxable income.
  • Standard deduction is for salary only. A salary of ₹ 12,75,000 leaves ₹12,00,000 taxable and ₹ 0 tax. The same amount of business or other income gets no standard deduction, so tax is ₹ 74,100.
  • Old regime rebate. Up to ₹12,500 when taxable income is ₹5,00,000 or less. There is no marginal relief above ₹5 lakh.
  • Seniors. A resident aged 60 or more with no business or professional income does not pay advance tax (section 403(3)). Tax due is paid as self-assessment tax before filing. With business or professional income, the instalments apply.
  • The ₹10,000 threshold. Advance tax applies when net tax after TDS is ₹10,000 or more (section 404). At ₹9,999 no instalments are due.
  • High incomes. Surcharge starts above ₹50 lakh, with marginal relief at each threshold. The new regime caps it at 25%.

Assumptions

  • You are a resident individual. Non-residents do not get the rebate.
  • All income is taxed at slab rates. Capital gains and other special-rate income are not supported.
  • Interest for missed or short instalments under sections 424 and 425 is not calculated.
  • Income and tax are not rounded to the nearest ₹10.

Supported period

Tax year 2026-27, which runs from 1 April 2026 to 31 March 2027. The Income-tax Act, 2025 applies from 1 April 2026 and replaces the Income-tax Act, 1961. The Finance Act, 2026 kept the slab rates, rebate, standard deduction and due dates unchanged.

Earlier years fall under the 1961 Act and are not supported.

References

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