Best Plumbing Calculator Apps

250+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated September 2026

The best plumbing calculator apps on iPhone average 4.6★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Plumbing Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Feet and Inches CalculatorFeet and Inches CalculatorFree4.6★ (409)YesYesSep 2026
2Pipe Trades Pro CalcPipe Trades Pro CalcFree4.8★ (4.3K)NoYesSep 2026
3Code Snap: UPC & IPC ProCode Snap: UPC & IPC ProFree was $7.994.7★ (231)NoYesAug 2026
4BaseCalc Plumbing CalculatorBaseCalc Plumbing CalculatorFree5.0★ (1)NoYesSep 2026
5Plumbing Sales CoachPlumbing Sales CoachFree5.0★ (10)NoNoMay 2026
6Plumbing Calculator & ToolsPlumbing Calculator & ToolsFreeNoYesAug 2026
7Smart Peptide TrackerSmart Peptide TrackerFree4.8★ (150)NoYesSep 2026
8Plumbing FormulatorPlumbing FormulatorFree4.6★ (7)NoYesAug 2026

Top Picks for Plumbing Calculator

Feet and Inches Calculator#1

Feet and Inches Calculator by Evan Winograd

Perfect Construction Calc!
Editor's Choice
🔧 Utilities
4.6😊(409 ratings)
FreeAdsIn-App Purchases
Feet and Inches Calculator screenshot 1
Feet and Inches Calculator screenshot 2
Feet and Inches Calculator screenshot 3
Feet and Inches Calculator screenshot 4
Feet and Inches Calculator screenshot 5
Feet and Inches Calculator screenshot 6

A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.

What We Love

  • 🚀 Easy to use
  • 🚀 Provides both feet/inches and decimal results
  • 🚀 Lots of additional tools and features
  • 👍 Consistently updated
  • 👍 Helpful and responsive support
  • 👍 Great for construction and woodworking
  • 👍 Customizable interface

Room to Improve

  • 🐛 Occasional calculation errors
  • 🐛 Rotation issues after updates
  • 🔋 High battery usage
  • 💰 Ads can be intrusive in free version
Pipe Trades Pro Calc#2

Pipe Trades Pro Calc by Calculated Industries

Calculator | Welding & Piping
Strong Contender
🔧 Utilities
4.8😞(4.3K ratings)
FreeIn-App Purchases
Pipe Trades Pro Calc screenshot 1
Pipe Trades Pro Calc screenshot 2
Pipe Trades Pro Calc screenshot 3
Pipe Trades Pro Calc screenshot 4
Pipe Trades Pro Calc screenshot 5
Pipe Trades Pro Calc screenshot 6

This app provides advanced calculation tools and comprehensive data for pipe trade professionals. It streamlines workflows for pipefitters, welders, and steamfitters with features for measurements, fluid dynamics, and material specifications. Designed for efficiency and accuracy, it works offline for on-site use.

What We Love

  • 🔢 Useful calculator tool
  • 🧠 Helpful for pipe fitters and welders
  • 📱 Convenient to have on mobile device
  • 🔍 Accurate calculations

Room to Improve

  • 💰 Subscription model is too expensive
  • 🔒 Requires internet connection to verify subscription
  • 🔄 Used to be a one-time purchase
  • 🤔 Confusing transition from one-time to subscription

More Plumbing Calculator apps to explore

FAQ about Plumbing Calculator

What are the best plumbing calculator apps for iPhone?
Feet and Inches Calculator tops our plumbing calculator apps ranking as of September 2026, with a 4.6-star average from 409 App Store ratings, and it's free to download.
Yes — 18 of the top plumbing calculator apps we rank are free to download, including Feet and Inches Calculator and Pipe Trades Pro Calc.
Feet and Inches Calculator shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ plumbing calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app is a comprehensive construction calculator designed for tradespeople. It provides a wide array of tools to assist with tasks like estimating, layout, framing, and general jobsite calculations, aiming to enhance both speed and precision in your work.
Key features include tools for unit conversion (imperial and metric), triangle calculations, scale conversions for plans, circle and arc calculations, stair stringer layout, board feet calculation, baluster/fence spacing, pipe fitting, miter angles, tile/brick layout, concrete volume, grid ceiling calculations, and a jobsite ruler.

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