Timber Framing Calculator
Calculate exactly how many wall studs, plates and noggins you need for any timber frame wall. Get lineal metres, piece counts and cost estimate for your framing materials in seconds.
🔨 Timber Framing Calculator
📐 How It Works
Wall frame timber quantity is calculated from stud count, plate lengths and noggins. Studs are spaced at 450mm or 600mm centres with one stud at each end. Top and bottom plates run the full wall length. Noggins fill between studs at mid-height or at specified intervals per building code.
📋 Worked Example
A 5m external wall, 2.7m high, at 450mm centres with 1 noggin row: Studs = floor(5÷0.45)+1 = 12. Plates = 2×5 = 10lm. Noggins = 11 × 1 × 0.36 = 3.96lm. Stud length = 12×2.7 = 32.4lm. Total = 46.4lm. With 10% waste = 51lm.
❓ Frequently Asked Questions
450mm centres is standard for most external walls and any wall requiring higher racking resistance. 600mm is acceptable for many internal non-load-bearing walls and lowers material cost. Always check your engineer's specification and local building code — wind zone, wall height and cladding type all affect the required spacing.
Standard Australian wall framing uses 90×45mm MGP10 (Machine Graded Pine) for most applications. For higher loads, longer spans or multi-storey construction, 90×45 MGP12 or larger sections may be specified. Always follow the engineer's specification.
NCC (National Construction Code) in Australia requires noggins at mid-height for walls over 1.8m. For walls 2.4m–2.7m, one row of noggins at mid-height is standard. Walls over 3.0m may require two rows. Check your specific code jurisdiction for requirements.
10% is standard for straightforward framing. Allow 15% for complex framing with many openings, raked ceilings or irregular shapes. Waste comes from cut-offs at window heads, sills and jambs, and from off-cuts at wall junctions.