# Timber Engineering Calculator

> Wood beams, columns & joints

Canonical page: [https://chrome-stats.com/d/id646321927](https://chrome-stats.com/d/id646321927)

## Overview

- **ID:** `id646321927`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** V PUGAZHENTHI
- **Category:** Utilities
- **Rating:** 3.90 / 5 (7 ratings)
- **Version:** 6.1
- **Last updated:** 2026-06-11
- **First published:** 2013-05-13
- **Size:** 35 MB
- **Data as of:** 2026-09-24
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/timber-engineering-calculator/id646321927)
- **Privacy policy:** [https://www.freeprivacypolicy.com/privacy/view/eb9c051474d8b65efaeace563fd3334f](https://www.freeprivacypolicy.com/privacy/view/eb9c051474d8b65efaeace563fd3334f)

## Description

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.

## Rankings

- #416,991 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id646321927)