EngiTools Pro
HVAC, Piping & Unit Calc
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
The ultimate pocket reference for HVAC, piping, fasteners, and unit conversion
EngiTools Pro - The Ultimate Engineering Pocket Reference
Stop wasting time searching through heavy handbooks, scattered PDFs, or unreliable websites. EngiTools Pro is the essential, all-in-one productivity app designed specifically for Mechanical, HVAC, Piping, and Civil Engineers.
Whether you are on-site, in a meeting, or drafting in the office, get instant access to precise engineering data, dimensional references, and complex calculations right in your pocket.
CORE FEATURES:
Comprehensive Unit Converter
• Convert intuitively across a massive database of engineering units.
• Supports scientific notation and smart formatting for high-precision results.
• Includes categories for Length, Area, Volume, Mass, Pressure, Energy, Power, and more.
HVAC & Psychrometrics
• Psychrometric Chart Calculator: Instantly calculate Enthalpy, Dew Point, Humidity Ratio (w), Absolute Humidity, and Density by inputting Dry Bulb and RH/WB.
• Fresh Air Requirement (ASHRAE 62.1-2022): Look up required outdoor air rates (L/s·person, cfm/ft²) across various room types instantly. Supports both SI and IP units.
Piping & Flange Reference
• Pipe Thickness & Weight: Quickly determine Outer/Inner Diameter, Wall Thickness, and Weight per meter/foot across different nominal sizes (DN/NPS) and schedules.
• Flange Dimensions (BS 1092-1): Comprehensive lookup for Weld-neck flanges (Raised face). Get exact PCD, bolt hole diameters, neck dimensions, and bolting requirements for various Pressure Ratings (PN).
Fastener Dimensions (Bolt, Nut, Washer)
• Accurate geometric data for Hexagon Head Bolts, Screws, Nuts, and Flat Washers.
• Look up pitch, width across flats (s), width across corners (e), head height (k), and thread lengths based on metric sizes.
WHY CHOOSE ENGITOOLS PRO?
• Blazing Fast & Offline: No internet connection required. Get your data instantly, even in deep basements or remote sites.
• Built for Professionals: Data is sourced from recognized industry standards (ASHRAE, BS, etc.).
• Sleek UI: Optimized for both Light and Dark modes to reduce eye strain during long working hours. Auto-scales perfectly to your screen size.
• No Interruptions: A clean, distraction-free environment tailored for engineering workflows.
Upgrade your engineering toolkit today. Work smarter, calculate faster, and design with confidence using EngiTools Pro!
(Note: EngiTools Pro is intended for general reference. Users should always verify calculations with official standards for critical engineering designs.)
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
-Bug Fixed
The developer, Kui Yan Marc YU, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Kui Yan Marc YU
- Size
- 25.7 MB
- Category
- Reference
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Upgrade to Premium $4.99
- Copyright
- © 2025 K & M Utility Lab.