Looking for something specific? Use the AI assistant in this documentation site. Ask in plain language, for example “How do I design a wood beam to NDS 2018?” or “Where are the ASCE 7 wind load guides?” It searches our guides and worked examples for you.
🚀 Quick Start
3 Steps to Success
Learn the three key steps to using Calcs.com
Video Tutorials
US calculator walkthroughs on YouTube
Project Defaults
Configure default values for US projects
Worked Examples
See real-world design examples
⚙️ Project Defaults
US Project Defaults Guide
Full guide to US project defaults
Cheat Sheet
Quick reference for common defaults
FAQ: How They Work
How project defaults propagate across calculators
Video: Project Defaults
Walkthrough of setting up project defaults
📐 Calculation Modules
Beams
Wood Beams (NDS)
Design wood beams, joists, and rafters to NDS 2018
Deck Design Series
Complete deck design walkthrough and sub-guides
Steel Beams (AISC)
Design steel beams to AISC 360-16 (ASD and LRFD)
Cold-Formed Steel
Design cold-formed steel beams to AISI S100-16
Concrete Beams (ACI)
Design rectangular concrete beams to ACI 318-14
Columns
Wood Columns
Design wood columns to NDS 2018
Concrete Columns
Design concrete columns to ACI 318-19
Steel Columns
Steel column design and validation examples
Connections
Steel Base Plate
Design steel base plates (LRFD) to ACI 318-19
Foundations & Retaining Walls
Spread Footings
Design spread footings to ACI 318-14
Wall Footings
Design wall footings to ACI 318-14
Retaining Walls
Cantilever and restrained retaining wall guides
Walls & Slabs
Wood Shear Walls
Design wood shear walls and diaphragms
One Way Slabs
Design one way concrete slabs
Masonry Walls
Masonry Gravity Wall (LRFD)
Out-of-plane CMU gravity walls to TMS 402/602-22 (LRFD)
Masonry Gravity Wall (ASD)
Out-of-plane CMU gravity walls to TMS 402/602-22 (ASD)
Masonry Shear Wall (LRFD)
In-plane CMU shear walls with openings to TMS 402/602-22
Loads
Wind Loads
Calculate wind loads per ASCE 7-16 and ASCE 7-22
Seismic Loads
Seismic analysis to ASCE 7-16
Snow Loads
Calculate snow loads
📚 Popular Guides
ASD vs LRFD
Understanding ASD and LRFD design methods
Building Codes & Load Combinations
US building codes and load combination requirements
Standards Library
Browse the full text of every standard clause used across our calculators
🔍 Browse by Category
Use Design Calculators → US Calculators in the left sidebar to explore all guides organized by:- Project Defaults - US defaults and cheat sheet
- Beams - Wood (NDS), Deck Design, Steel (AISC), Cold-Formed Steel, Concrete (ACI)
- Columns - Wood, Concrete, Steel
- Connections - Steel base plates
- Foundations & Retaining Walls - Spread footings, wall footings, retaining walls
- Walls & Slabs - Wood shear walls, masonry walls, one way slabs
- Loads - Wind, seismic, snow
💡 Need Help?
FAQ
Find answers to common questions
Contact Support
Get help from our support team