Rebar Splice Length Calc

ACI 318 Development Length

$4.99 · Designed for iPad. Not verified for macOS.

Instant rebar lap splice & development length per ACI 318-19. Offline, no subscription. On a concrete pour and need the correct lap splice length for epoxy-coated rebar? Guessing wrong means a failed inspection or structural risk. This app gives you ACI 318-19 compliant development and splice lengths in seconds on the jobsite. Enter bar size, concrete strength, coating type, cover distance, spacing, and transverse reinforcement. Get development length, Class A and Class B lap splice lengths, and modification factors. WHAT IT CALCULATES: - Basic development length per ACI 318-19 - All modification factors (coating, size, lightweight, spacing) - Class A and Class B lap splice lengths - Required hook development length SUPPORTED BARS: - #3 through #11, #14, and #18 - Uncoated and epoxy-coated - Normal weight and lightweight concrete KEY FEATURES: - ACI 318-19 Chapter 25 compliant - Instant results as you change inputs - Works completely offline - No account or login required Built for structural engineers, concrete contractors, and building inspectors.

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Bug fixes and performance improvements.

Version 1.0.1

The developer, Shanghai Sheyuan Network Technology Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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    Information

    Seller
    • Shanghai Sheyuan Network Technology Co., Ltd.
    Size
    • 982 KB
    Category
    • Utilities
    Compatibility
    Requires iOS 26.2 or later.
    • iPhone
      Requires iOS 26.2 or later.
    • iPad
      Requires iPadOS 26.2 or later.
    • Mac
      Requires macOS 26.2 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 26.2 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Sheyuan Inc.
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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