PlumberCalc

PlumberCalc.com is a free, web-based collection of plumbing calculation tools designed to help plumbers, contractors, engineers, and DIYers quickly perform common plumbing calculations without manual math or reference handbooks. The site provides a suite of industry-standard calculators that cover tasks such as pipe sizing, water flow rate, pressure drop, friction loss, drain and vent sizing, water heater and expansion tank sizing, and project cost estimating — all with instantaneous results based on established engineering formulas. Created by a developer to save time on job sites, PlumberCalc.com runs entirely in the browser and works on phones, tablets, and desktops, requiring no app downloads, no registration, and no ads. The calculators use standard plumbing principles and references so users can get estimates fast, though results should be verified against local building codes and professional judgment for actual construction planning. In addition to calculation tools, the site may offer step-by-step plumbing guides and tutorials, helping users understand foundational concepts and best practices while estimating materials, labor, and costs for projects. Overall, PlumberCalc.com is a practical, easy-to-use resource for anyone needing quick plumbing math and engineering support.