228+ iOS apps curated and reviewed
The best plumbing calculator apps on iPhone average 4.5★ across 228+ titles — we've ranked them by what real users actually keep on their phones. Updated April 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (384) | Yes | Yes | Jul 2026 |
| 2 |  | Free | 4.8★ (3.6K) | No | Yes | Jul 2026 |
| 3 |  | Free was $7.99 | 4.7★ (227) | No | Yes | Jul 2026 |
| 4 |  | Free | 4.6★ (7) | No | Yes | Jul 2026 |
| 5 |  | Free | 5.0★ (10) | No | No | May 2026 |
| 6 |  | Free | 4.8★ (39K) | No | Yes | Jul 2026 |
| 7 |  | Free | 3.1★ (36) | No | No | May 2026 |
| 8 |  | Free | 4.4★ (9.2K) | No | Yes | Jul 2026 |
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.
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.
Access essential plumbing code data and calculations on the go. This app provides quick access to UPC & IPC tables, water line sizing, and fitting take-offs, streamlining fieldwork for plumbing professionals.
This professional calculator app provides over 200 formulas, calculators, and reference materials for plumbers, HVAC technicians, and mechanical contractors. It covers a wide range of calculations for water flow, piping, drainage, water heaters, pumps, and more, all in one pocket-sized tool.
This business tool helps plumbing companies optimize pricing to increase revenue and growth. It includes a price book calculator and access to a podcast and free training modules.
This app is a powerful construction calculator designed for professionals working with dimensions. It offers a wide range of solutions for dimensional math, right angle calculations, area and volume, and special functions, helping to improve speed and accuracy in layouts, bids, and estimates.
Access dimensional data for carbon steel butt-weld fittings and flanges. This digital companion also provides technical and general information for carbon steel pipe systems.
This app provides a convenient way to perform calculations involving feet and inches. It features a visual tape measure display and supports fractions and mixed decimals, showing results in feet, inches, and centimeters.
Easily perform fraction calculations including addition, subtraction, multiplication, and division. Convert fractions to decimals and vice versa with a clear, user-friendly interface. Ideal for students, cooks, and DIYers needing quick and accurate fraction management.
Prepare for your state's journeyman plumber certification exam with practice tests and mock exams. Questions are based on official plumbing codes to ensure comprehensive study for aspiring licensed plumbers.
Instantly access flange, pipe, and bolt data offline. Quickly find bolt sizes, torque patterns, flange dimensions, and pipe specifications. Ideal for pipefitters and steamfitters needing rapid access to piping information.
This app helps contractors and DIYers accurately estimate material costs and quantities for construction projects. It features dimensional measurement tools, unit conversions, and a material database to optimize budgeting and ordering.
This app provides 15 calculators for estimating concrete, blocks, mortar, rebar, and gravel. It supports various shapes and units, offering material cost estimations for construction projects.
This AI-powered tool provides quick, clear, and professional plumbing code responses based on UPC and IPC standards. It helps professionals understand code intent and application for installations, inspections, and exam preparation, offering jobsite-ready guidance.
This app provides a comprehensive suite of tools for pipe fitting calculations, including offsets, angles, and fitting data. It supports various pipe standards and measurement units, helping users determine precise cut lengths and angles for fabrication.
This app is a powerful calculator designed for construction and woodworking professionals, as well as students. It simplifies calculations involving feet, inches, and fractions, offering conversions between various measurement units and displaying equations and results simultaneously. Advanced features are available through optional in-app purchases.
This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.
This app simplifies complex calculations for construction professionals. It offers a variety of tools for tasks like spacing, measurements, and material estimation, helping to reduce errors and save time on job sites. Available on iPhone and iPad, it aims to be an essential tool for tradespeople.
