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OBRAS ONSITE · free site calculator · the office end

Markup vs Margin + GST

20% markup is NOT 20% margin - quoting like it is quietly gives your profit away. Punch in your cost and see both, plus GST both directions.

Markup ↔ margin

Your cost ($) Markup % OR margin %
Markup = profit on top of cost. Margin = profit as a share of the sell price. Type either percentage - the other fills in, and you'll see they're not the same animal.

GST quickie

Ex-GST amount ($) Inc-GST amount ($)
Type either box. Inc ÷ 11 = the GST inside it - not 10% of the inc price (the other classic quoting leak). General calculator, not tax or financial advice.
Quoting & tender paperwork in the Obras Onsite builder systems · All free tools →

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The tools above are free and yours to use. When you need the paperwork behind them reviewed by someone who has run sites, Obras HSE Services is a live consulting business in south-east Queensland.