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 81–100 of 1,000 ranked alternatives.



SubPrinta - Sublimation Design
Blue Sodium Corp
, print, and heat press projects
Create custom prints for projects. Import designs from Etsy or Canva or use templates for tumblers, tees, hoodies, and mason jars. Adjust sizes and print directly for use.

Civil Engineering Calculators
V PUGAZHENTHI
Calculate and convert units
& Converters provides tools for structural analysis, unit conversion, and formula-based calculations. Users can compute shear capacity, slenderness ratio, compressive stress, bending stress, and safety factors.



HVAC Duct Size Calculator
Alan Cave
HVAC duct sizing for professionals.
The app calculates duct sizes for HVAC design professionals. It provides a list of even sized ducts that meet design criteria, allowing users to review options at various aspect ratios.


Halliburton eRedBook® Mobile
Halliburton
Industry data for oil and gas wells
The app provides instant access to key dimensions and strengths for pipe. Users can look up specifications for tubulars to quickly calculate capacity and annulus volumes in various units.


ASCO Sizing & Calculator Tools
Asco Valve Inc.
Calculate flow and determine Cv values
Calculate fluid flow or determine Cv values by selecting media and inputting data. Use actuator with Numasizing® technology for cylinder types. Access conversion calculators and find nearby distributors.



Unit Converter Calculator Pro
Rome Rock LLC
Convert units between metric and imperial systems
Convert units between metric and imperial systems including area, distance, speed, temperature, volume, time, weight, energy, and power. Calculate area, speed, distance, and volume with supported units. Switch between units quickly and accurately.


ElectriCalc Pro
Calculated Industries, Inc.
Calculate and document electrical work safely
Perform electrical calculations for contractors, designers, and electricians. Calculate load, voltage drop, conduit fill, and panel sizing. Verify compliance with NEC® codes from 1996 to 2023. Store and retrieve past calculations.


DWSIM Simulator
Daniel Medeiros
Simulate chemical processes offline
Allows users to create chemical process models using a touch-enabled PFD drawing interface. It supports offline operation and performs VLE/VLLE/SVLE/SVLLE calculations with equation of state and activity coefficient methods.

Duct Calculator
Pheinex, LLC
Calculate size and performance
Calculate size for round or rectangular ductwork. Adjust airflow, diameter, width, or height using sliders. Enter values directly for precise measurements. Lock friction calculations for accurate results.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.