A quantity takeoff is the process of measuring and counting the quantities shown on construction plans. Those quantities are then used to price materials, labor, equipment, and other parts of the estimate.
In simple terms: a quantity takeoff answers "how much work is there?"
Examples of Quantity Takeoff Items
A quantity takeoff might include:
- square metres of flooring
- linear metres of wall, trim, pipe, or cable
- cubic metres of concrete or excavation
- number of doors, windows, lights, outlets, or fixtures
- roof area
- paintable wall and ceiling area
- room areas and perimeters
Every trade uses different quantities, but the goal is the same: turn drawings into measurable work.
Why Quantity Takeoffs Matter
If the quantities are wrong, the estimate is wrong. A missed area, incorrect scale, or copied number can change material costs and labor allowances.
Reliable quantity takeoffs help contractors:
- quote more consistently
- avoid missed scope
- order enough material
- reduce waste
- explain the basis of an estimate
- compare revisions more easily
Manual Quantity Takeoff
Manual takeoffs usually involve printed drawings, scale rulers, calculators, colored pens, and spreadsheets. This can work for simple jobs, but it takes time and can make revisions difficult.
Digital Quantity Takeoff
Digital takeoff software lets you upload plans, set scale, measure directly on screen, and keep quantities organized by project. With Metres.ai, contractors can measure areas, lengths, perimeters, volumes, and counts from plans, then use those quantities in the estimating workflow.
Metres.ai also supports AI-assisted room segmentation, giving users a faster starting point on some floorplans.
Quantity Takeoff vs Estimate
A quantity takeoff is not the full estimate. It is the measurement step. The estimate adds pricing, labor, overhead, margin, taxes, and other business rules to the quantities.
The takeoff is the foundation. The estimate is the priced result.
Frequently Asked Questions
What is a quantity takeoff in construction?
A quantity takeoff is the process of measuring and counting quantities from construction drawings so they can be used for estimating, pricing, and material planning.
What is included in a quantity takeoff?
A quantity takeoff can include areas, lengths, perimeters, volumes, and item counts. The exact items depend on the trade and project scope.
Is a quantity takeoff the same as an estimate?
No. A quantity takeoff measures the work. An estimate applies pricing and other costs to those quantities.
Can Metres.ai create quantity takeoffs?
Yes. Metres.ai helps contractors upload plans, set scale, measure quantities, and organize takeoff information in a cloud-based workflow.