PlumberCalc is a comprehensive suite of free online calculators designed specifically for plumbing professionals, engineers, and contractors. The platform provides industry-standard engineering tools for accurate hydraulic calculations essential in plumbing system design and installation.
Key Features
- Pipe Sizing Calculator: Determines optimal pipe diameter based on flow rate, length, and material
- Flow Rate Calculations: Uses continuity equation, Hazen-Williams, and Manning's formulas
- Pressure Analysis: Implements Darcy-Weisbach, Bernoulli's equation, and minor loss calculations
- Code Compliance: Aligns with IPC standards, ASME guidelines, and local municipal requirements
- Offline Functionality: All calculators work without internet connection once loaded
- Mobile Responsive: Fully optimized for phones, tablets, and desktop computers
- Gas Line Sizing: Specialized calculator for natural gas and propane line calculations
Target Users
- Professional plumbers and plumbing contractors
- Mechanical and civil engineers
- Construction project managers
- Building inspectors and code officials
- Plumbing system designers
Practical Applications
- Residential and commercial plumbing system design
- Hydraulic calculations for permit applications
- Job site estimations and bid preparation
- System troubleshooting and analysis
- Educational purposes for plumbing apprentices
Technical Specifications
- Uses standard engineering formulas validated against industry standards
- Supports multiple pipe materials (copper, PEX, PVC, steel)
- Provides comprehensive result analysis with all input parameters
- Enables result printing and documentation for job records
- Free access with no subscription requirements




