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Self Assessment Tax Calculator

Work out self assessment tax instantly with clear inputs, formula shown and shareable results.

About Self Assessment Tax Calculator

Self-assessment tax is the balance left at filing after tax deducted at source, advance tax and any interest are taken into account. A negative balance is a refund rather than a payment.

Formula

Self-assessment tax

Balance = total tax + interest - (TDS + advance tax)

Worked example

With the default values below, Self Assessment Tax Calculator returns Self-Assessment Tax Payable of $78,000.00. Change any input above and every figure here is recalculated in your browser.

Inputs used

Total Tax And Cess Payableminimum 0
520,000
Tax Deducted At Sourceminimum 0
250,000
Advance Tax Paidminimum 0
200,000
Interest Payableminimum 0
8,000

Results

Self-Assessment Tax Payable
$78,000.00
Refund Due
$0.00
Total Credits Available
$450,000.00
Share Of Liability Already Covered
86.54%

Step by step

  1. 1Values used
  2. 2Self-assessment tax
  3. 3Self-Assessment Tax Payable= 78,000.00
  4. 4Refund Due= 0.00
  5. 5Total Credits Available= 450,000.00
  6. 6Share Of Liability Already Covered= 86.54

Assumptions and limits

  • The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
  • Tax figures are estimates based on the rates, caps and thresholds you enter. Real rules differ by jurisdiction and change every year, and personal circumstances alter the outcome. This is not tax or financial advice — confirm with a qualified adviser.
  • This is an estimate for general information and not professional financial, tax or legal advice. See the full disclaimer for the limits that apply to this kind of calculator.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Tax figures are estimates based on the rates, caps and thresholds you enter. Real rules differ by jurisdiction and change every year, and personal circumstances alter the outcome. This is not tax or financial advice — confirm with a qualified adviser.

Frequently Asked Questions

Must it be paid before filing?

Yes. The return cannot be validated until the balance is paid and the challan details are entered.

Why do credits sometimes not appear?

Deductor errors in reporting are common — reconcile against the annual tax statement before filing.

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