Apps Like Plumbing Formulator for iPhone and iPad
Professional calculator for plumbing and HVAC.
The app offers over 200 formulas and tools for plumbing, HVAC, and mechanical contractors. It includes calculators for water flow, piping, drainage, water heaters, pumps, gas, medical gas, pools, septic, and thermal expansion.
Plumbing Formulator screenshots
Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.
Southwire® Voltage Drop Calc
Southwire Company
Calculate and wire size
Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.
Greenheck Toolbox
Greenheck Fan Corporation
Calculate fan laws and size ducts
Fan Law Calculator allows users to input rpm, cfm, static pressure, and horsepower. Modifying one value recalculates the others. Ductulator helps size HVAC ducts by inputting shape, dimensions, air temperature, elevation, and roughness.
Converter+ (Units, Currencies)
TranCreative Software
Convert units, currencies, and calculate.
The app offers unit and currency conversion across hundreds of categories. It includes mortgage, loan, and tip calculators, with the ability to edit, add, or download templates.
HydroCalc Plus
Transparent Blue Water LLC
Hydraulic engineering tool for pipe calculations.
The app calculates pressure losses in piping systems for engineers and contractors. It supports US and SI units, includes a pipe material library, and a fittings database for total system pressure loss calculations.
Duct Calculator Elite
Cyberprodigy LLC
Calculate size, velocity, and pressure drop
™ lets users input airflow, velocity, or friction to determine size. Calculate pressure drop and flow rate. Input dimensions for custom shapes. Export results and save calculations.
GasTech Calculator Pro
Maksymilian Lopatowski
Calculate gas volumes and pressures
Volume to energy converter calculates gas volume to energy with temperature and pressure adjustments. Professional pipe sizing uses BS 6891:2015 standards for accurate sizing. Includes 9+ calculators for gas engineering tasks.
Natural Gas Pipe Size
Sebastjan Valic
Size natural gas pipes and calculate pressure.
The app provides instant pipe diameter estimates for natural gas installations. Users can calculate pressure drop by customizing pipe material, fittings, and valves, with support for metric and imperial units.
Bell & Gossett - SystemSyzer
Xylem Inc.
HVAC piping system design calculator tool.
The app provides HVAC piping system design tools based on an original plastic wheel calculator. It includes calculators for friction loss, velocity, and Cv, along with a Circuit Setter/Triple Duty Valve calculator for design and field use.
Bradford White FOR THE PRO®
Bradford White Corporation
Scan barcodes, check warranties, search products
Contractors can scan product barcodes to access technical documents and warranty information. Search model numbers for spec sheets, parts lists, and product details. Access sizing tools and other resources directly through the .
Daikin Tech Hub
Goodman Global Holdings, Inc.
Access technical guides and service data
Access product technical specifications and all documents in one place. View installation, operation, and engineering manuals. Retrieve service guides and technical data. Submit service requests and track progress. Share resources with team members.
Hydraulics and Waterworks Calc
V PUGAZHENTHI
Calculate pressure, flow, and force
Calculate hydraulic parameters like capillary rise, viscosity, hydrostatic pressure, and head loss. Convert between metric and imperial units. Solve for pressure head, velocity head, and specific energy head.
HVAC Pipe Sizer - Gas High
Carmel Software Corporation
Size high pressure gas piping systems.
The app sizes high pressure gas piping systems. Users input gas flow, upstream pressure, and pipe properties to determine pipe diameters, velocity, and equivalent length.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.