Plumbing Formulator app icon

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.

by Historycentral.com Inc★ 4.67 ratingsProductivityFreeData updated 2026-09-10

Plumbing Formulator screenshots

Ranked alternatives

Showing 61–80 of 1,000 ranked alternatives.

  1. AccuValve app icon

    AccuValve

    Accutrol, LLC

    Select valves for HVAC systems.

    The app assists HVAC system designers in selecting AccuValves. It helps size valves to achieve minimum system pressure drop.

    ★ 0.00 ratingsBusinessFreeData updated 2026-09-27
  1. Ultimate Car Audio App app icon

    Ultimate Car Audio App

    Thomas VanSlambrouck

    Wire subwoofers, calculate cone area, suggest amplifier

    Calculate subwoofer voice coil wiring for single, double, and quad configurations. Determine subwoofer cone area. Suggest amplifier power and car electrical system requirements. Include subwoofer box calculators and Ohms Law tools.

    ★ 4.281 ratingsUtilitiesFreeData updated 2026-09-10
  2. Electric Toolkit - Calculator app icon

    Electric Toolkit - Calculator

    Cyberprodigy LLC

    Wire diagrams, pinouts, calculate electricity

    Access electrical wiring diagrams for switches, fans, and outlets. Calculate grounding conductor sizes. View diagrams for 3-way switches, 4-way switching, GFCI, and more. Includes NEC 2014 to NEC 2023 standards.

    ★ 4.8289 ratingsUtilities$5.99Data updated 2026-09-08
  3. GB Gas Pipe Sizing Calculator app icon

    GB Gas Pipe Sizing Calculator

    George A Brown

    Calculate natural gas pipe sizes easily.

    The app calculates natural gas pipe sizes for metric copper and stainless steel pipes. Users input appliance gas rate, meter length, and bends to check for a 1mb pressure drop.

    ★ 0.00 ratingsBusiness$9.99Data updated 2026-09-18
  4. Converter: Units & Currencies app icon

    Converter: Units & Currencies

    DROXIC OOD

    Elegant and simple unit converter app.

    The app offers over 25 categories and 450 units for conversion, including 150 currencies. It supports 24 languages and is designed for iPhone, iPad, and iPod touch.

    ★ 4.8764 ratingsUtilitiesFreeData updated 2026-10-11
  5. HVAC Pipe Sizer Plus app icon

    HVAC Pipe Sizer Plus

    Carmel Software Corporation

    Size HVAC liquid steam gas

    The app sizes liquid, steam, and gas piping systems. It allows users to input various properties and observe calculated results.

    ★ 3.01 ratingsUtilities$13.99Data updated 2026-09-13
  6. Navisizer app icon

    Navisizer

    Navien, Inc.

    Size systems, calculate costs, generate specs

    Calculate heating system requirements for residential and commercial applications. Input system data to determine sizing and operating costs. Generate detailed reports for job specifications and energy savings analysis.

    ★ 2.426 ratingsProductivityFreeData updated 2026-09-14
  7. Plutocalc+ Water app icon

    Plutocalc+ Water

    Daniel Peig

    Solve treatment problems

    Solve engineering problems with 103 calculators and 2670 calculations. Access chemical databases and standards. View self-explanatory diagrams. Input data for real-time results. Supports multiple languages including English and Portuguese.

    ★ 4.01 ratingsUtilities$4.99Data updated 2026-09-11
  8. Converter Plus [paid] app icon

    Converter Plus [paid]

    TranCreative Software

    Convert units, calculate, and edit templates

    Convert units and currencies across hundreds of categories with real-time exchange rates updated every 6 hours. Calculate mortgages, loans, tips, and fuel consumption. Edit, create, or download customizable templates for various conversions.

    ★ 4.7201 ratingsUtilities$1.99Data updated 2026-09-08
  9. Pipe Flow Liquid Pipe Diameter app icon

    Pipe Flow Liquid Pipe Diameter

    Daxesoft Ltd

    Calculate for rate and pressure loss

    Calculate minimum internal based on rate and maximum pressure loss. Input elevation changes and select valves and fittings. Display Reynolds number and friction factor. Export results in various formats.

    ★ 4.65 ratingsUtilitiesFreeData updated 2026-09-06
  10. CPF TechTools app icon

    CPF TechTools

    Charlotte Pipe and Foundry Company

    Calculate pipe expansion and temperature adjustments

    Calculate pipe expansion and contraction with built-in formulas. Adjust for temperature de-rating using industry-standard methods. Access tools for plumbing engineers, contractors, and architects. Future updates will add more features.

    ★ 4.522 ratingsBusinessFreeData updated 2026-09-08

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.