Salary & Tax

Income Tax Old vs New Regime Calculator

Compare estimated tax under old and new Indian income tax regimes.

Before you convert

Old and new tax regimes can produce different outcomes depending on income and deductions. This calculator gives a quick side-by-side estimate before you choose a regime.

This calculator checks
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Inputs
Simple fields with validation.
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Result
Readable decision-ready output.
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Method
Formula shown below the calculator.
Fast
Instant result
India-ready
INR formatting
Clear
Detailed breakdown
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Calculator

Enter income details

Use the inputs below to calculate a practical result.

Result

Actual cost summary

A clear view of principal, interest, GST and fees.

Better Savings
Old Regime Tax
New Regime Tax
Detailed breakdown

Detailed result

Use these numbers to compare the headline result with the actual cost components.

Old Regime Tax
New Regime Tax
Better Savings
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Formula and Methodology

Old regime taxable income is estimated after the deductions you enter. New regime tax is estimated on the entered taxable income without those old-regime deductions.

The calculator applies slab-style tax estimates and shows the difference as potential savings.

Worked Example

Example: For ₹12,00,000 taxable income and ₹1,50,000 deductions, the calculator compares estimated old regime and new regime tax.
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How to use this result

Use the result to compare options, ask better questions and avoid judging only by the headline number. If a fee, GST amount, deduction or assumption changes, update the input and calculate again.

FAQs

Yes. The inputs, labels and result formatting are designed for Indian users and show INR values where money is involved.

The result is a planning estimate based on the values you enter. Always verify final amounts with the relevant bank, employer, tax advisor, school, builder or official document.