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 681–700 of 1,000 ranked alternatives.

  1. NEC Box & Conduit Calc app icon

    NEC Box & Conduit Calc

    V PUGAZHENTHI

    Calculate box fill, fill, and wire volume

    Calculate box fill, fill, and wire volume according to NEC standards. Input device counts, equipment grounding, and internal clamps. Access common box sizes and types for accurate volume calculations.

    ★ 5.03 ratingsUtilitiesFreeData updated 2026-09-06
  2. OHMs Law Calc app icon

    OHMs Law Calc

    Jonathan Mellen

    Electrical calculations for professionals and students.

    The app calculates single-phase and three-phase electrical values, including power factor and breaker sizing. It offers interactive diagrams and a dashboard for visualizing electrical data.

    ★ 4.03 ratingsReference$1.99Data updated 2026-09-29
  1. Piping and Flange Handbook app icon

    Piping and Flange Handbook

    iTouch It Once Software Corporation

    Piping and Flange Data At Hand

    The app provides data on pipes, flanges, and fittings. It includes dimensional information and weight for components and allows users to browse and search by size and schedule.

    ★ 3.52 ratingsProductivity$8.99Data updated 2026-10-12
  2. Solar Calibrator: PV Installer app icon

    Solar Calibrator: PV Installer

    Fawzi Fakhro

    Calibrate panels, size batteries, calculate wire gauges,

    Helps installers and DIYers calculate panel angles, size battery banks, and determine wire gauges. It generates professional PDF quotes and includes a compass for precise alignment with True North/South.

    ★ 0.00 ratingsUtilities$9.99Data updated 2026-09-06
  3. Miter Pipe Calculator app icon

    Miter Pipe Calculator

    Kevin Morneault

    Pipefitter calculations made simple now.

    The app calculates ordinates for mitered pipe, mitered offsets, and wye connections. It supports various pipe charts and provides a user guide for assistance.

    ★ 4.02 ratingsProductivity$3.99Data updated 2026-10-17

How we rank alternatives

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