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Tax Year 2026–27 estimate

Income Tax Calculator (India)

Compare estimated tax under India’s default new regime and optional old regime.

Calculation result

Detailed estimate

Enter your details to see the estimate.

Frequently asked questions

What is income tax?

This estimate applies slab rates, rebate and 4% cess. It excludes surcharge, marginal relief, special-rate income and individual filing circumstances.

Is this result guaranteed?

No. This is an educational estimate based on the values entered. Verify current product, tax, employment, or pension rules before making decisions.

Can I change the assumptions?

Yes. Every rate and time assumption shown in the form can be adjusted to compare scenarios.

Practical guidance

Use the Income Tax Calculator with confidence

Estimate salary tax for tax year 2026–27 under the old or new regime. Review standard deductions, slab tax, rebate, cess and excluded cases.

Worked example

For ₹15,00,000 gross salary in the new regime, taxable income is ₹14,25,000 after ₹75,000 standard deduction. Slab tax is ₹93,750; cess is ₹3,750; total is ₹97,500. With ₹1,50,000 entered deductions in the old regime, taxable income is ₹13,00,000 and total tax is ₹2,10,600.

Assumptions and limits

Tax year 2026–27 means income from 1 April 2026 to 31 March 2027. This simplified calculator excludes marginal relief, surcharge, special-rate income and senior-citizen old-regime thresholds. Near the ₹12 lakh new-regime taxable-income rebate boundary it can overstate tax. Above ₹50 lakh taxable income it can understate tax. Do not use those results as filing amounts. Displayed amounts round to whole rupees, not statutory return rounding.

How to read the result

The model assumes a resident salaried individual below 60 with ordinary slab-rate income. New-regime deductions entered in the old-regime field are ignored. The monthly figure is annual estimated tax divided by 12, not a payroll withholding schedule.

Inputs and units

Enter annual gross salary in rupees. Old-regime deductions are an annual total excluding the standard deduction, which the tool subtracts separately. Select and calculate each regime in turn to compare.

Formula and variables

Taxable salary = max(0, gross salary − standard deduction − eligible entered old-regime deductions). Apply progressive slabs, the modeled rebate and 4% cess.

Comparisons and common mistakes

Salary uses a percentage you supply and does not calculate tax slabs. Here, compare both regimes using only deductions for which you are eligible; the lower estimate alone does not establish eligibility to switch regimes.

Does this estimate include marginal relief just above ₹12 lakh?

No. The current formula applies the rebate at or below ₹12 lakh taxable income but does not apply marginal relief above it. Use the official department calculator or a tax professional for that case.

Guide checked

Guide checked against the web calculator by an automated coding assistant. Independent professional review is not recorded.

Substantive guide update: .

Read our calculation methodology