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Roof Truss Cost Calculator

Estimate material, labor and installation cost for a set of roof trusses.

Roof Truss Cost Calculator

Try an example:

Roof Span

Wall-to-wall width of the building

Building Length

Length along the ridge

Pitch Input Choose rise-per-12 or an exact angle

Roof Pitch Rise per 12" of run

Overhang

Eave overhang beyond the wall

Roof TypeChanges slope geometry and area

Min. Usable Ceiling Height (ft)Used for the usable attic/room width result

Material

Truss Spacing (in o.c.)

Your Price per Truss ($)Optional — leave 0 to estimate from lumber

Snow Load (psf)

Wind Load (psf)

Roof Height—

Rafter Length (with overhang)—

Rafter (no overhang)—

Roof Angle—

Rise—

Run—

Roof Area—

Truss Count—

Estimated Lumber—

Material Cost—

Cost per Truss—

Dead Load—

Live Load—

Snow Load—

Wind Load—

Total Weight—

Usable Room Width—

Estimate: $0

Material $0 · Labor $0 · Install $0

Include installation cost in total

Estimates only. Prices vary by region, supplier and site conditions.

How roof truss cost is built up

Total cost is the sum of material, labor and installation. The calculator offers two ways to get material:

Automatic: board feet multiplied by a rate for the selected material.
Supplier price: enter your quoted price per truss and the calculator multiplies it by the truss count.

total = material + labor + installation (optional)

What changes the price

Span and pitch, because longer, steeper trusses use more lumber.
Spacing, because closer spacing means more trusses.
Lumber species and grade, plus engineered products.
Local delivery, crane time and design fees.

Labor is estimated at 35% of material and installation at 25%. These are planning ratios, not quotes. Compare to a per-unit view on the price per truss calculator and read the cost estimation guide.

Roof Truss Cost Calculator