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Home > Tax Tools & Calculators > Lump-Sum Income Tax Calculator

Lump-Sum Income Tax Calculator

A lump-sum payment such as a bonus, arrears, commission, or other one-time income can increase your taxable income.

Use the EZTax Lump-Sum Income Tax Impact Calculator to calculate the additional tax payable and estimate the net lump-sum amount after tax.


Lump-Sum Income Tax Calculator
Lump-Sum Income Tax Calculator
Annual Taxable Income Before Lump Sum (A)
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Lump-Sum Amount Received (B)
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Lump-Sum Income Type
Tax Regime
Tax Without Lump Sum (C)
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Tax With Lump Sum (D = A+B)
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Additional Tax (E = D-C)
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Effective Tax Rate (F = (E/B) * 100)
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Net Lump-Sum After Additional Tax (G = B-E)
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Frequently asked Questions

1. What is a lump-sum income?

A lump-sum income is a one-time payment received during the year, such as a bonus, commission, arrears, incentive, or other additional taxable income.

2. Is lump-sum income taxable?

Yes. Taxable lump-sum amounts generally form part of your taxable income and can increase your overall tax liability. Bonus and similar salary-related amounts are treated as taxable income under the applicable provisions.

3. How does a lump-sum payment affect my income tax?

The additional income may push part of your income into a higher tax slab. This calculator compares the tax before and after adding the lump-sum amount and shows the resulting additional tax.

4. What should I enter as "Annual Taxable Income Before Lump Sum"?

Enter your taxable income before adding the lump-sum amount. Do not enter the lump-sum amount in this field.

5. What should I enter as the "Lump-Sum Amount Received"?

Family Enter the additional taxable amount you expect to receive, such as a bonus, incentive, commission, or arrears.

6. Does receiving a bonus mean the entire bonus is taxed at the highest slab rate?

No. The bonus is added to your taxable income, and the applicable slab rates are applied to the resulting total income. Therefore, only the portion falling into a higher slab is taxed at that higher rate.

7. What is "Additional Tax" in this calculator?

Additional Tax is the difference between your tax after adding the lump sum and your tax before adding it.

8. What is "Net Lump-Sum After Additional Tax"?

It is the estimated lump-sum amount remaining after subtracting the additional tax attributable to the lump-sum income.


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Disclaimer: This article provides an overview and general guidance, not exhaustive for brevity. Please refer Income Tax Act, GST Act, Companies Act and other tax compliance acts, Rules, and Notifications for details.