Reverse GST Calculator
7% GST Calculator
Free online GST calculator for Singapore’s 7% GST
Understand how to calculate GST Singapore.
Formula: How to calculate reverse GST
To find the GST from a total, divide the total amount by the 7% divided by 100 plus 1.
Example: What is before tax amount of $1,000 total (with GST) at 7%
GST rate (7% / 100) + 1
= 0.07 + 1
= 1.07 GST rate
=$1,000 inclusive / 1.07 GST rate
= $934.58 exclusive of GST
= GST S$ 65.42
Formula: How to calculate GST
GST is calculated by multiplying the GST rate (7% in Singapore) by the total pre-tax cost.
The cost of GST is then added to the purchase.
Example: What is GST of $1,000?
$1,000 of goods x 7% GST
=$70 GST
$1,000 of goods + $70 GST = $1,070 inclusive of GST.
Location
21 Bukit Batok Crescent,
WCEGA Tower,
Singapore 658065
Contact
+65 6631 9898
Hours
Monday – Friday
9:00AM to 5:30PM