Quick online tools

Free calculators for Singapore businesses, built by a Chartered Accountant on the official IRAS and CPF rules. Nothing you type leaves your browser.

Do you need to register for GST in 2027? Test both IRAS views and get your apply-by and registration dates.

Enter a monthly salary to see the employee and employer CPF, take-home pay and total cost, at 2027 or 2026 rates.