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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