Calculators / Apps

Listed below are links to free or partially free calculators, web apps, and downloadable software developed by others that may be useful when seeking and comparing methods and solutions to engineering problems. The list is provided as a convenience for the curious. It is not an endorsement by Alaco of any particular software or software provider. Use at your own risk.

Energy

Cool Calc Manual J Residential HVAC Load Calculator
Solar Calcs - Project Sunroof by Google
PVWatts by the National Renewable Energy Labratory (NREL)
2019 California Building Energy Code Compliance - Residential (CBECC - Res 2019) software | Software Manual • Calculation Manual

Hydrology/Hydraulics

HEC Series by US Army Corps of Engineers
FHWA Hydraulic Toolbox by the US Federal Highway Administration
Bay Area Hydrology Model for Alameda, San Mateo and Santa Clara Counties by Clear Creek Solutions
Alameda County Modified Rational Method spreadsheet by ACFCWCD
Open Channel Flow Calculator by Omni Calculator

Plumbing

Water Demand Calculator by IAMPO

Paving

Structural

Joists & Rafters

Sawn Wood: Span Calculator for 2x4 through 2x12 wood floor joists, ceiling joists, and rafters by American Wood Council
Engineered Wood: BC Connect by Boise Cascade

Beams

Beam Analysis by ClearCalcs (limited free features)
Beam Analysis by MechaniCalc (limited free features)
Beam Calculator by Medeek (references old code)
Beam Calculator by SkyCiv (limited free features)
Beam Designer by WebStructural (limited free features)

Walls

BC Calc by Boise Cascade

Connectors

Connector Calculator by American Wood Council
Anchor / Connector Software by Simpson Strong-Tie
Structural Component Specifier by MiTek

Framing CAD

BC Framer by Boise Cascade
Forte WEB by Weyerhaeuser

Other

Force Transfer Around Openings (FTAO) Shear Wall Spreadsheet by The Engineered Wood Association (APA)
Truss Designer by Meedek
Deck Designer by MiTek

Google Sites

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