# CSiRebar

> Converts rebar sizes, steel area, and spacing for engineers. (iPhone/iPad app by Computers and Structures, Inc..)

- Source: https://appshunter.io/ios/app/csirebar/id1435265034 (this page in markdown: same URL + `.md`)
- Developer: [Computers and Structures, Inc.](https://appshunter.io/developer/1119970032)
- Category: Utilities, Reference
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 14 MB
- Languages: American English
- Released: 2018-10-02
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/csirebar/id1435265034/reviews.md

## What is CSiRebar?

CSiRebar is an app that conveniently converts between combinations of bar sizes, steel area, and spacing requirements.

Application/Usage:
• Convert between combinations of bar sizes, steel area, and spacing requirements
• Select the required combination of bar sizes and spacing for given conversions using ASTM, Metric or Imperial standards

Target Users:
• Structural and civil engineers who need to view and select from various reinforcement layouts for a given criteria during member design
• Structural and civil engineers who need to quickly get the area of steel provided in a given section during member analysis

Key Features:
• Generate many reinforcement layouts
• Provide ability for combined reinforcement layouts
• User-defined rules for bar selection
• Provide several bar options for user-defined range

Key Input:
• Area
• Bar size
• Number of bars
• Bar spacing
• Combined reinforcement layouts

Key Output:
• Area for given reinforcement layouts
• Reinforcement layouts for given bar options and spacing requirements
• Alternative reinforcement layouts for given layouts

## Key features

- Converts bar sizes, steel area, and spacing
- Supports ASTM, Metric, and Imperial standards
- Generates multiple reinforcement layouts
- Allows combined reinforcement layouts
- User-defined rules for bar selection
- Provides alternative reinforcement layouts

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/csirebar/id1435265034/reviews.md

### 5/5 — Software Develpe

*2021-04-27*

Hi developers, this app is very useful and great, but the problem is that it has a lot of crashes, please try to improve it, thanks. 🙏🌹

## Frequently asked questions about CSiRebar

### What is CSiRebar used for?

CSiRebar is a utility app designed for structural and civil engineers. It facilitates conversions between bar sizes, steel area, and spacing requirements, supporting various design and analysis needs.

### What standards does CSiRebar support?

CSiRebar supports conversions using ASTM, Metric, or Imperial standards. This allows engineers to select the required combination of bar sizes and spacing according to different regional or project specifications.

### Can CSiRebar generate different reinforcement layouts?

Yes, CSiRebar can generate many reinforcement layouts, including combined reinforcement layouts. It also provides alternative layouts based on user-defined rules and bar options.

### What kind of input does CSiRebar accept?

Key inputs for CSiRebar include area, bar size, number of bars, and bar spacing. It also handles combined reinforcement layouts as input for its calculations.

### What is the output provided by CSiRebar?

The app provides the calculated area for given reinforcement layouts, as well as reinforcement layouts for specified bar options and spacing requirements. It also offers alternative layouts.

### Is CSiRebar available on multiple devices?

CSiRebar is available for iPhone, iPad, and iPod devices. It is designed to be accessible on various Apple mobile platforms.

### How often is CSiRebar updated?

CSiRebar was last updated on October 31, 2018, with version 1.0.2. The initial release date was October 2, 2018.

### Does CSiRebar have ads?

No, CSiRebar does not contain advertisements. It is a free application without any ad interruptions.

## Version history (last 3 releases)

### 1.0.2 — 2018-10-31

- Optimized application performance
- Fixed issue with settings

### 1.0.1 — 2018-10-25

- Added Canadian and Australian bar sizes

### 1.0.0 — 2018-10-02

No release notes.

## Apps similar to CSiRebar

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| --- | --- | --- | --- |
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| [RoPro](https://appshunter.io/ios/app/ropro/id6450377614) | 5.0 (1) | Free | Utilities |
| [CMM Stair Rail Calculator](https://appshunter.io/ios/app/cmm-stair-rail-calculator/id1610352465) | — | Free | Utilities |
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## More apps by Computers and Structures, Inc.

- [CSiMaterials](https://appshunter.io/ios/app/csimaterials/id1195522796)
- [CSiStress](https://appshunter.io/ios/app/csistress/id1195526261)
- [CSiSections](https://appshunter.io/ios/app/csisections/id1344131515)
- [CSiUnits](https://appshunter.io/ios/app/csiunits/id1344138128)
- [CSiSteel](https://appshunter.io/ios/app/csisteel/id1435293643)

All apps by Computers and Structures, Inc.: https://appshunter.io/developer/1119970032

## Related topics

[csirebar](https://appshunter.io/ios/topics/csirebar) · [crsi rebar reference](https://appshunter.io/ios/topics/crsi-rebar-reference) · [rebar calculator](https://appshunter.io/ios/topics/rebar-calculator) · [rebar calc](https://appshunter.io/ios/topics/rebar-calc) · [rebar](https://appshunter.io/ios/topics/rebar)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*