GST Input Tax Credit Calculator

How to use this calculator

1. Enter gst collected on sales — The calculator loads with a worked example already filled in, so you can see what a realistic set of figures looks like before replacing them with your own.
2. Fill in the remaining fields — Every field has a sensible default. Change the ones that apply to you and leave the rest.
3. Read the result — The answer updates as you type — there is nothing to submit. The rows beneath the headline show how it breaks down.
4. Expand the schedule — Where a year-by-year table is offered, open it. The breakdown over time usually shows something the single headline figure does not.
5. Share or print — Use the share button to copy a link with your figures already filled in, or print the result — the print stylesheet strips the navigation and adverts.

What this calculator works out

To use the India GST Input Tax Credit Calculator, enter your GST collected on sales, GST paid on purchases and ineligible input credit. The result — net GST payable — updates as you type, with no button to press and nothing to submit. The calculation runs entirely in your browser, so the figures you enter are never sent anywhere. The rules applied are those published by the Income Tax Department of India.

How this is calculated

Adding tax multiplies the net amount by one plus the rate. Extracting tax from a gross amount divides by one plus the rate — it does not subtract the rate, which is the mistake that produces a figure several percent out. On £120 including 20% VAT the tax is £20, not £24, because the tax is a fifth of the net rather than of the gross.

A worked example

Take the values this page loads with:

• GST collected on sales: ₹90,000.00
• GST paid on purchases: ₹65,000.00
• Ineligible input credit: ₹5,000.00

On those figures the net gst payable is 30,000.00. Broken down:

• Output GST on sales: 90,000.00
• Input GST on purchases: 65,000.00
• Ineligible credit: −5,000.00
• Eligible input tax credit: 60,000.00
• Net payable in cash: 30,000.00

Change any field above and every figure here recalculates — these numbers are produced by the same formula the calculator runs, so they cannot drift apart from it.

What the figures mean

The headline figure answers the immediate question. These are the ones worth paying attention to:

• Eligible input tax credit — the figure worth watching when you change your inputs.
• Net payable in cash — the figure worth watching when you change your inputs.
• Credit carried forward — the figure worth watching when you change your inputs.

Where a schedule is shown, expand it: the year-by-year breakdown usually reveals something the single headline number hides.

What this calculator assumes

Input tax credit requires the supplier to have filed their return and the invoice to appear in your GSTR-2B. Blocked credits under section 17(5) — motor vehicles, personal consumption and several others — are ineligible regardless.

Why it runs in your browser

Every calculation on this page is arithmetic, and arithmetic does not need a server. Running it locally means the result is instant, it keeps working if your connection drops, and — the part that matters — your salary, your debts and your medical measurements are never transmitted to us. There is no figure on our side to store, log or lose.

Where this calculator stops

A calculator applies the rules it is given to the figures you enter. It cannot see the rest of your circumstances, and real financial decisions are rarely decided by a single number.

Treat the result as a starting point for a conversation — with a lender, an accountant or an adviser — rather than as an answer. Where an institution will quote you a real figure, that figure is the one that counts: it will include fees, your credit profile and terms this page knows nothing about.

Keeping the figures current

The formula behind this page does not change, but the assumptions you should bring to it do — interest rates, inflation and market returns all move. Revisit the inputs rather than trusting a figure you calculated a year ago.