Free calculators for contractors
Quick calculators for the numbers you need on the jobsite and at the estimating table. They run right in your browser. Nothing to download, no sign-up.
Free tool
Profit margin and markup calculator
Margin and markup from cost and price, or the price to charge for a target margin.
Free toolConcrete calculator: cubic yards and bags
Cubic yards for slabs, footings, and piers, with waste, plus bag counts.
Guides
Guide
Job costing for contractors: a step-by-step guide
What counts as a job cost, and a six-step system to know what every job made before it’s over.
GuideProfit margin vs. markup: the mistake that costs contractors money
The formulas, how to price for the margin you want, and a markup-to-margin chart.
GuideHow to calculate cubic yards of concrete
Formulas for slabs, footings, and piers, a quick chart, and how much extra to order.