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Calculate the monthly common capital-goods ITC amount and exempt-use reversal using the Rule 43 five-year/60-month framework.
Enter the facts and calculate. The result appears here.
Calculate the monthly common capital-goods ITC amount and exempt-use reversal using the Rule 43 five-year/60-month framework.
Rule 43 treats common capital-goods credit over a five-year useful life, expressed as 60 months. The core monthly amount is therefore derived by dividing the relevant common credit by 60.
The exempt-use amount is turnover-ratio based for the relevant period. This page models a single asset/cohort by default and also accepts the actual aggregate monthly Tr for multi-asset ledgers; multi-asset ledgers should aggregate each asset’s applicable monthly amount into Tr.
Change-of-use cases have additional rule branches, including credit attributable to elapsed useful life. If a capital good moves from exclusive taxable/exempt use into common use, first determine the correct reduced common-credit amount under the rule before entering it here.
The displayed “remaining months total” is only an illustration assuming the same E/F ratio continues. Actual Rule 43 working should be performed period by period using the actual turnover ratio.
Every field below changes the result. They are listed exactly as the form asks for them.
| Field | Type | What it controls |
|---|---|---|
| Common capital-goods ITC amount to be spread over 60 months | Number | |
| Actual aggregate monthly common credit Tr (optional) | Number | |
| Remaining useful-life months for planning display | Number | |
| Exempt turnover for the relevant tax period | Number | |
| Total turnover for the relevant tax period | Number |
Tm = common capital-goods ITC ÷ 60. For the relevant period, Te = (exempt turnover ÷ total turnover) × aggregate monthly common-credit amount Tr.
The engine validates required values before calculating and rejects impossible combinations instead of converting them to zero silently. Dates, thresholds and category switches that drive the result remain visible to the user.
The logic on this page is built from the instrument(s) below. Where a rule did not clearly cover a scenario, that scenario is excluded rather than estimated.
The most common error in regulated calculations is not arithmetic; it is putting the facts into the wrong legal or product category. Check the transaction, entity, holding, policy or taxpayer classification before relying on the number.
Keep statements, acknowledgements, invoices, policy schedules, complaint IDs, tax workings or orders that support the inputs. A number without an evidence trail is difficult to defend in a complaint, return, claim or review.
Rules can change. This page records a source-check date, not a fabricated professional review date. If the event belongs to an older period, confirm that the rule version used here applies to that period.
The rule uses a five-year useful life for common capital goods, i.e. 60 months.
The period’s turnover-ratio exempt-use amount will be zero under this simplified branch.
No. The calculator rejects that inconsistent input.
For a multi-asset ledger, Tr is the aggregate monthly common credit for all relevant common capital goods.
No. It explains how to feed the correct common-credit amount after applying the relevant change-of-use branch.
Source links below are the authority trail used to design the current rule logic. They remain more important than a generic secondary explainer.
Source checked: 14 August 2026. This denotes source verification for the package, not CA/legal review or approval of the individual case.
These cover adjacent decisions. Each owns a different question, so use the one that matches your actual event.
This calculator is published for general information and educational purposes only. It is not legal, tax, accounting or investment advice, is not personalised to your circumstances, and is not a substitute for reading the governing instrument or taking professional advice on your facts. Finin2min records a source-check date, which denotes verification of the authority trail and not a professional review or approval of any individual case.
Scope: Computes interest on delayed GST tax payment under Section 50 of the CGST Act.
Source checked: 14 August 2026. This records verification of the source trail on that date. It is not a professional review or approval of any individual case.
Background, worked examples and the rules behind these numbers.