Calculator

GST Registration Checker

Review past turnover and a credible forecast against the GST registration signal.

Last reviewed: 25 Sept 2026

This tool flags turnover for review; it does not decide whether you must register.

Your inputs

Enter only the assumptions needed for this estimate. Values stay in this browser session.

Taxable turnover in the last calendar year(SGD)

Credible taxable turnover forecast for the next 12 months(SGD)

Values are not saved or submitted.

Add your assumptions

The result appears when all required fields contain a valid value.

Verified 25 Sept 2026