JobSiteMath
Better estimates start with clear assumptions
Follow the numbers from measurement to estimate. Each guide explains the assumptions and links to a tool you can use with your own inputs.
Markup vs. margin: the $1,000 job example
See why a 20% markup is not a 20% margin, and calculate the selling price for your target.
From slab dimensions to a concrete order estimate
Walk through a 20 by 12 foot slab: convert inches to feet, calculate cubic yards, and separate waste from supplier rounding.
Flooring estimates: area, waste, and full boxes
Turn room dimensions into an order estimate without confusing square footage, waste allowance, and box coverage.