Timber Engineering Calculator
Wood beams, columns & joints
$3.99 · Designed for iPad. Not verified for macOS.
Also Included In
Timber Engineering Calculator — 55 calculators for timber and wood-works design.
Available in Metric (SI) and Imperial (USCS) units.
NEW — Wood Species Reference & Auto-Fill:
• Built-in species library (NDS 2018): Douglas Fir-Larch, Southern Pine, Hem-Fir, Spruce-Pine-Fir — Select Structural, No.1, No.2
• View Fb, Ft, Fv, Fc⊥, Fc, E and G in SI (MPa) and USCS (psi)
• One-tap auto-fill of design values into calculators — faster, fewer errors
• Auto-fillable fields marked with a tree icon
Save calculations to History, add notes, export PDF reports. Formula shown on top; Calculate activates when all inputs are entered.
SECTION PROPERTIES
• Area of Section
• Moment of Inertia
• Distance from Axis to Extremities
• Radius of Gyration
• Section Modulus
BENDING & SHEAR
• Maximum Fiber Stress
• Maximum Fiber Stress using Section Modulus
• Horizontal Shearing Stress
• Horizontal Shearing Stress (notched beam)
• Modified Total End Shear (Concentrated / Uniform Loads)
TIMBER COLUMNS (species auto-fill)
• Allowable Unit Stress — Single/Glued, Rectangular, Circular
• Allowable Compressive Stress at an angle to grain
• Allowable Stress — Rectangular (NDS)
• Hankinson's Equation
ADJUSTED DESIGN VALUES (species auto-fill)
• Extreme-Fiber Bending, Tension, Shear
• Compression perpendicular / parallel to grain
• End grain in bearing
• Modulus of Elasticity
DESIGN FACTORS
• Size Factor
• Volume Factor (Southern Pine / Other Species)
• Radial Stress from Bending Moment
• Curvature Factor
• Bearing Area Factor
• Slenderness Ratio for Beams
NAILS & SPIKES
• Allowable Withdrawal Load
• Total Allowable Lateral Load — Group I–IV Wood
WOOD SCREWS
• Allowable Withdrawal Load
• Total Allowable Lateral Load — Group I–IV Wood
CONNECTORS — ADJUSTED DESIGN VALUES
• Bolts — Lateral Loading
• Split-Ring & Shear-Plate — Parallel / Normal to Grain
• Nails & Spikes — Withdrawal / Lateral
• Wood Screws — Withdrawal / Lateral
• Lag Screws — Withdrawal / Lateral
• Metal Plate Connectors — Lateral
• Drift Bolts & Pins — Withdrawal / Lateral
• Spike Grids — Lateral
• Stress and Deflection Factor (Ponding)
Also available: Civil Engineering Pack — 12 modules (Beam, Structural, Concrete, Column, Hydraulics, Survey, Soil, Piling, Highways, Bridge, Converter) in SI and USCS.
• NEW: Built-in Wood Species Reference (NDS 2018)
• One-tap auto-fill of design values into calculators
The developer, V PUGAZHENTHI, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- V PUGAZHENTHI
- Size
- 36.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 7 more
- English, Dutch, French, German, Italian, Portuguese, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- Copyright
- © all rights reserved

