About HowMuchStuff
HowMuchStuff provides free, accurate construction and materials calculators. Every formula is validated against published industry standards, and every default value is sourced from manufacturer data or professional cost databases.
Our Approach
We apply engineering methodology to construction estimation: dimensional analysis to verify unit conversions, cross-referencing multiple sources for material densities and coverage rates, and testing every calculator against known worked examples from industry references.
We are not contractors. We build computational tools that make published construction data accessible and actionable. Our calculators help you plan and budget — for critical structural decisions, always consult a qualified professional.
Data Sources
Our calculator defaults, material densities, coverage rates, and pricing benchmarks come from the following sources:
International Residential Code (IRC)
Building code standards for residential construction dimensions, load requirements, and material specifications.
Manufacturer Technical Data Sheets
Product specifications, coverage rates, and installation guidelines from major manufacturers.
Gordian / RSMeans Construction Data
Industry-standard cost data and material quantity benchmarks used by contractors and estimators.
Bureau of Labor Statistics — Producer Price Index
Current and historical pricing trends for construction materials across the US market.
Home Depot & Lowe's Product Listings
Retail pricing, bag sizes, and coverage specifications for consumer-facing materials.
About the Founder
Taro Schenker holds a BSc Audio Engineering and builds computational tools that make technical data accessible. His engineering background informs the approach behind every calculator: precise unit conversions, validated formulas, and transparent sourcing.
Rather than claiming hands-on trade expertise, HowMuchStuff focuses on what engineers do best — turning published specifications, manufacturer data, and industry cost databases into reliable, easy-to-use tools.
About Known By One LLC
Known By One LLC is a US-based company that builds focused, useful web tools. HowMuchStuff is our construction and materials calculator platform, designed to help homeowners, contractors, and DIY enthusiasts plan projects with confidence.