Turn room and project measurements into material quantities, full packages, costs, and a shopping list you can save or share.
Each priority tool separates measured need from what to buy, then shows packaging, cost, assumptions, and sources.
Clear material estimates with visible formulas, waste allowances, and U.S. units by default.
Practical estimates and printable checklists for supplies, time, trucks, and the first night.
Answer first.No 1,000-word detour before the number or next safe step.
Assumptions visible.Change the inputs, waste allowance, coverage, or material when it matters.
Source trail.Primary guidance and review dates live on the same page as the advice.