A curated list of free construction, landscaping, and home improvement calculators. Estimate materials, quantities, and costs for concrete, mulch, roofing, paint, tile, fencing, insulation, and more.

Pure TypeScript & Python calculation libraries for construction estimating — concrete, gravel, roofing, lumber, paint, flooring, and more.

Saint-Gobain North America

Official technical knowledge base for Ply Gem exterior products. Optimized for AI answer engines, providing structured data, specifications, and installation FAQs for windows, siding, and stone veneer.

Martin Marietta Materials is a leading supplier of building materials, including aggregates, cement, ready-mixed concrete, asphalt, and paving products, used in construction, infrastructure, and residential projects across the United States.

Profile for Foundation Building Materials in the API Evangelist network. Fortune F1000 (rank 955).

Web application for calculating concrete and construction material requirements with cost estimation. Modern and responsive web calculator for concrete and construction materials - built for professionals

Profile for BMC Stock Holdings in the API Evangelist network. Fortune F1000 (rank 677).

Owens Corning is a global Fortune 500 building and industrial materials leader committed to building a sustainable future through material innovation, providing roofing, insulation, composite materials, and doors. No public APIs or developer portal have been identified at this time.

USG Corporation is a leading manufacturer of building products and innovative solutions for the construction industry. USG produces Sheetrock brand drywall, Durock cement board, Securock glass-mat sheathing, and a wide range of interior finishing systems.

UFP Industries (formerly Universal Forest Products) is a leading global manufacturer and distributor of wood and wood-alternative products serving retail, industrial, and construction markets. UFP operates over 200 facilities globally supplying lumber, engineered wood products, packaging, and building materials.

Boise Cascade is a leading North American manufacturer and distributor of building materials for the residential and commercial construction industry.

Standard Industries

A lightweight market-validation website built to assess demand, user intent, and pain points in the sanitary and washroom materials industry (pipes, fittings, drainage, and related infrastructure). The project focuses on learning what contractors, builders, and homeowners actually want before building a full product.

Beacon Roofing Supply (BECN) is one of the largest distributors of residential and non-residential roofing materials and complementary building products in North America.

Armstrong World Industries (NYSE: AWI) is a leading global designer and manufacturer of innovative commercial and residential ceiling, wall, and suspension system solutions.

Concrete Strength Estimator is a modern Next.js web dashboard that allows users to adjust 15 distinct mix parameters and instantly see the predicted compressive strength (in MPa).

Builders FirstSource (NYSE: BLDR) is the nation's largest supplier and manufacturer of structural building products, value-added components, and construction services to the professional market for single-family and multi-family construction.