DIY & materials
Timber volume and board feet Calculator
Calculate sawn timber volume and cost for repeated pieces. This free timber volume and board feet calculator shows the calculation and its assumptions so you can compare your own figures.
Your results
Calculate sawn timber volume and cost for repeated pieces.
Calculated outcomes
- Volume Per Piece M3
- 0.036 m³
- Board Feet
- 305.12 bd ft
Assumptions and estimates
- Method: Volume = thickness × width × length × pieces. One cubic metre is approximately 423.776 board feet.
- Uses entered actual dimensions. Planed sizes, grading, treatment, offcuts and structural performance require separate allowance.
Useful next steps
- Use Compare options to test an alternative side by side.
- Copy, print or download a record of this calculation when you need one.
Reports open your email app addressed to s@s1.ie with the public page address only. Your inputs are never added.
How the timber volume and board feet calculation works
Volume = thickness × width × length × pieces. One cubic metre is approximately 423.776 board feet.
Uses entered actual dimensions. Planed sizes, grading, treatment, offcuts and structural performance require separate allowance.
Using this calculator
- Enter your own figures in the labelled inputs. Keep the currencies, units and time periods consistent.
- Choose any applicable rate profile, pattern or assumption shown for this tool. Open additional inputs when relevant.
- Review volume m3 and material cost, then read the stated assumptions and eligibility conditions before using the result.
Worked example
This is a static example using illustrative inputs, not facts about you or today’s date. The displayed eligibility selections and assumptions apply only to this example.
See example inputs
- Thickness (mm)
- 50
- Width (mm)
- 150
- Length per piece (m)
- 4.8
- Pieces
- 20
- Timber price (€/m³)
- 650
- Volume M3
- 0.72 m³
- Material Cost
- €468.00