Tax Year 2026-27 · Income-tax Act, 2025
Advance Tax Calculator
Enter your annual tax estimate and actual payments. Get a simple instalment plan, estimated interest and a challan-ready summary.
All calculations stay in this browser. This tool uses the tax and credit figures you enter; it does not calculate income, store information or make a payment.
Annual tax estimate
Use the final tax figure you expect for the whole year. Do not enter salary or deductions here.
Interest and payment history are calculated through this date.
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Before TDS/TCS and other credits.
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Enter only credits you can claim.
Advance-tax instalments already paid
Enter the tax portion shown on each paid challan. Interest is optional and should be entered only if it was separately paid on that challan. Tax reduces your target; interest does not.
Due by 15 June 2026
15% cumulative instalment
Interest safe-harbour: 12% (not recommended target).
Not paid yet — mark it as paid to enter its challan details.
Due by 15 September 2026
45% cumulative instalment
Interest safe-harbour: 36% (not recommended target).
Not paid yet — mark it as paid to enter its challan details.
Due by 15 December 2026
75% cumulative instalment
Interest is measured against the full 75% target.
Not paid yet — mark it as paid to enter its challan details.
Due by 15 March 2027
100% cumulative instalment
Interest is measured against the full 100% target.
Not paid yet — mark it as paid to enter its challan details.
Split, catch-up or extra challan?
Add another dated challan if tax was paid in parts, paid late, or included interest.
Schedule options
Optional checks. We do not verify whether you qualify for either option.
Unexpected income (optional)
Use this only for income such as a gain, dividend, specified winnings or first-time business income that arose later in the year. Link it to the payment that covers its tax.
No unexpected-income entry added.
Need help with your annual tax estimate?
First estimate tax from income, then return here to plan payments and dates.
Important: This is a planning estimate for Tax Year 2026–27 only. It uses your manually entered tax, credits and payments. It does not calculate income, determine eligibility for credits or presumptive taxation, handle every special-income rule, or replace a return, notice response or professional advice. Review the official e-Pay Tax entry before paying.