“Quantity takeoff” and “material takeoff” get used interchangeably across the construction industry — even though they’re not the same document, built for the same purpose, or used at the same stage of a project. Mixing them up is one of the more common reasons contractors end up with a padded bid or a material shortage on site.
This guide breaks down exactly what separates a quantity takeoff from a material takeoff, when each one applies, and how they work together in a typical preconstruction workflow.
What Is a Quantity Takeoff?
A quantity takeoff (QTO) is the process of measuring and listing every quantifiable item of work shown in a project’s drawings and specifications — not just materials, but labor and equipment too. According to longstanding estimating references, a quantity takeoff measures the work of a project as a series of quantified items, which is why it forms the foundation of a cost estimate.
QTO quantities are typically measured net in place — the actual quantity that ends up installed in the finished structure, without waste or overage added. That makes a quantity takeoff the backbone of bidding: it gives an estimator the raw counts, areas, and volumes needed to apply labor rates, material pricing, and equipment costs.
A quantity takeoff typically includes:
- Linear footage, square footage, and volume measurements by assembly
- Labor quantities tied to specific work items
- Equipment usage where applicable
- Quantities organized by CSI division or trade for cost estimating
Because a QTO drives the entire cost estimate, its accuracy has a direct effect on whether a bid is competitive or leaves money on the table.
What Is a Material Takeoff?
A material takeoff (MTO) is narrower in scope. It identifies, lists, and quantifies the physical materials required to build a project — the type, grade, size, and count of every item that needs to be purchased. Think of it as the shopping list derived from the takeoff, built for procurement rather than pricing.
Unlike a QTO, a material takeoff is measured in gross quantities, meaning it accounts for waste factors, cut loss, and overage so the right amount of material actually arrives on site. An MTO also converts raw dimensions into purchasable commercial units — a wall area becomes a specific count of drywall sheets; a floor area becomes a specific number of tile boxes.
A material takeoff typically includes:
- Exact material types, grades, and specifications (e.g., a specific steel grade or membrane type)
- Purchasable unit counts (sheets, boxes, rolls, bags)
- Waste and overage factors applied by material type
- A procurement-ready list for ordering and inventory planning
An MTO rarely includes enough information for pricing on its own — it identifies what to buy, not what it costs.
Quantity Takeoff vs. Material Takeoff: Key Differences
- Purpose: QTO supports cost estimating and bidding; MTO supports procurement and ordering.
- Scope: QTO covers materials, labor, and equipment; MTO covers materials only.
- Measurement basis: QTO is net in place, with no waste added; MTO is gross quantities, with waste factors included.
- Output format: QTO produces quantified work items by assembly or trade; MTO produces purchasable commercial units like sheets, bags, or rolls.
- Used by: QTO is used by estimators for pricing and bid preparation; MTO is used by procurement teams and project managers for ordering.
- Project stage: QTO happens during preconstruction and bid preparation; MTO happens after scope is awarded, before material ordering.
- Pricing included: QTO feeds into pricing but isn’t priced itself; MTO rarely includes pricing at all.
The two documents aren’t competitors — they serve different stages of the same project. A quantity takeoff typically comes first, during bid preparation, because an accurate cost estimate needs to exist before a contract is awarded. A material takeoff usually follows, once scope is confirmed, to support actual purchasing and site logistics.
Why the Distinction Matters
Confusing the two creates real financial risk. If a material takeoff is used to build a cost estimate without applying labor and equipment costs, the resulting number will understate the true cost of the work — because materials are only part of the picture. Conversely, if a quantity takeoff’s net-in-place quantities are sent directly to a supplier without waste factors applied, the job will run short of material on site.
A few practical consequences of getting this wrong:
- Underbidding. A cost estimate built only from a material list, without labor and equipment quantities, tends to come in artificially low.
- Material shortages. Ordering from net-in-place quantities instead of gross, waste-adjusted quantities almost guarantees a mid-project reorder.
- Wasted procurement time. A material takeoff without specific commercial units (grade, size, count) forces the purchasing team to re-derive that information manually.
- Missed cost items. A QTO that skips labor or equipment quantities produces an incomplete cost estimate, even if the material counts are accurate.
Getting the sequence right — quantity takeoff first, then material takeoff for procurement — keeps both the bid and the buyout accurate.
When to Use Each One
Use a quantity takeoff when:
- You’re preparing a bid or cost estimate for a project
- You need labor and equipment quantities in addition to materials
- You’re comparing scope across multiple trades for a full estimate
- Accuracy in pricing, not just purchasing, is the goal
Use a material takeoff when:
- Scope has already been awarded and you’re moving into procurement
- You need a specific, purchasable list of materials by grade and unit
- You’re managing inventory, delivery scheduling, or supplier orders
- Waste factors and overage need to be built into the purchasing quantity
Larger commercial projects often require both, produced in sequence: a quantity takeoff to win the bid, followed by a material takeoff to execute the buyout once the contract is signed.
How Technology Has Changed Both Processes
Takeoff software — including Bluebeam Revu, PlanSwift, and On-Screen Takeoff — has made both quantity and material takeoffs faster and more traceable than manual measurement off paper plans. Digital markups let an estimator or procurement team trace every quantity back to a specific drawing sheet and detail, which matters when a bid is challenged or a material order needs to be verified.
That said, software doesn’t replace the judgment required to read a drawing set correctly. An automated measurement tool will happily calculate the square footage of a wall — it won’t tell you whether that wall requires a fire-rated assembly, a different waste factor, or a material substitution called out in an addendum. That’s still the job of an experienced estimator.
Who Performs These Takeoffs?
On most projects, a construction estimator or quantity surveyor performs the quantity takeoff during preconstruction, working from drawings, specifications, and addenda. Material takeoffs are often produced by the same team, or handed to a project manager or procurement coordinator once scope is confirmed, since the focus shifts from pricing to purchasing.
Many general contractors and subcontractors outsource one or both processes to specialized quantity takeoff services, particularly for high-volume bidding periods when internal estimating capacity is stretched. Outsourcing a takeoff doesn’t change the underlying distinction between QTO and MTO — it just shifts who performs the measurement and documentation.
Frequently Asked Questions
Is a material takeoff the same as a quantity takeoff?
No. A quantity takeoff measures materials, labor, and equipment in net-in-place quantities to support cost estimating. A material takeoff focuses only on physical materials, in gross purchasable units with waste factors applied, to support procurement.
Which comes first, quantity takeoff or material takeoff?
A quantity takeoff typically comes first, during bid preparation, since it’s used to build the cost estimate. A material takeoff usually follows once scope is awarded, converting confirmed quantities into a purchasable materials list.
Can one document serve both purposes?
Not reliably. A quantity takeoff generally doesn’t include the purchasable units and waste factors procurement needs, and a material takeoff rarely includes enough labor and equipment detail to support accurate cost estimating.
Do I need both for a small project?
Smaller, simpler projects sometimes combine the two into a single working document. Larger or more complex projects benefit from keeping them separate, since the level of detail required for accurate bidding differs from what’s needed for accurate ordering.
Final Thoughts
A quantity takeoff and a material takeoff answer two different questions: what will this project cost, and what do I need to buy. Treating them as interchangeable is where a lot of estimating and procurement problems start — underbidding on one end, material shortages on the other.
If your team needs accurate, trade-specific quantity takeoff services for an upcoming bid, P2C Construction Services delivers net-and-gross quantity breakdowns across multiple trades, built on a documented quality-control process. You can explore our estimating and takeoff services to see how the process works.
If you’d like to see the deliverable format first, review sample takeoff reports.
When you’re ready to move forward, request an estimate for your next project.