Calculate GST (Goods and Services Tax) or VAT for Australia, Canada, and other countries.
Add GST to a net amount (e.g., calculate total with tax)
How It Works
Add GST
Calculate total by adding GST to a net amount.
Formula: Net × (1 + rate)
Remove GST
Reverse-calculate the net amount from total.
Formula: Total ÷ (1 + rate)
Extract GST
Find the GST component in an inclusive amount.
Formula: Total - (Total ÷ (1 + rate))
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