# Ton Miles Calculator — Drilling line ton-miles

> Drilling line ton-miles (iPhone/iPad app by Carlos Moura.)

- Source: https://appshunter.io/ios/app/ton-miles-calculator/id965020659 (this page in markdown: same URL + `.md`)
- Developer: [Carlos Moura](https://appshunter.io/developer/407501202)
- Category: Utilities, Education
- Price: $19.99
- Age rating: 4+
- Requires: iOS 15.6 · 8 MB
- Languages: American English
- Released: 2015-05-30
- Data updated: 2026-08-16
- User reviews in markdown: https://appshunter.io/ios/app/ton-miles-calculator/id965020659/reviews.md

## What is Ton Miles Calculator?

The Ton Miles Calculator is an essential, precision mobile tool designed specifically to manage and maximize the service life of wire rope used in rig suspension systems (drilling lines) during well-drilling operations.

This application provides the useful tools for use of Wire Rope (Drilling Line) for Oil Field Service and in the drilling engineering schools.

API Recommended Practice 9B:
Developed strictly in accordance with API RP 9B standards, incorporating official engineering formulas for accurate ton-mile evaluation.

Key Capabilities:
- Complete Operational Coverage: Calculate ton-miles for Tripping, Drilling, Coring, Setting Casing, Setting Liner, and Running Riser.
- Integrated API RP 9B Formulas: Built-in visual formula reference for full transparency on calculations.
- Ton Miles Control Log: Track cumulative ton-miles to slip & cut-off thresholds in real time.
- Industry Co-Development: Created in partnership with top field experts for professionals, engineers, students, and academics.
- Native iOS & iPadOS: Built optimized for iPhone & iPad with iCloud Drive file syncing support.

Calculations and formulas for:
- Round Trip
- Halt Trip
- Short Trip
- Drilling (options for kelly or top drive, with reaming or not)
- Coring
- Setting Casing (also with landing String on subsea operations)
- Setting Liner
- Running Riser (on subsea operations)

Save calculations with historical of the all parameters per register.

Please, visit the support url to download the "User Guide".

Our goal was to create a low-cost application with the help of experts to share with drilling engineers, technicians, drillers, students and teachers of drilling engineering. 

You can contribute with suggestions for improvements, correcting the translation to english, reporting bugs and spreading it to your friends.

Thanks

DISCLAIMER: 

These tools & materials are provided 'as is' without warranties of any kind, express or implied. 
Please verify the tools provided by this application by yourself before you use them. Ensure you understand the impact of using these tools. 
Any use you choose to make of these tools & materials is undertaken by you entirely at you own risk.

## Chart rankings

- #173 in Top Paid · Utilities (US App Store)


## Version history (last 5 releases)

### 3.0 — 2026-08-14

- Updated for the latest iOS/iPadOS versions, including Dark Mode support.

### 2.0 — 2019-01-05

- Added compatibility with iPhones X, XR, XS and XS Max

### 1.2 — 2016-11-18

- bugs fixed.

### 1.1 — 2016-08-02

- updated drill string settings: (HW -> BHA 1, DC -> BHA 2, Others -> BHA 3).
- added support for 12.9-inch iPad Pro 
- added support for Dropbox on iOS 9 or greater

### 1.0 — 2015-05-28

No release notes.

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## More apps by Carlos Moura

- [Drilling Hydraulics (Basic)](https://appshunter.io/ios/app/drilling-hydraulics-basic/id673992115)
- [Directional Drilling](https://appshunter.io/ios/app/directional-drilling/id928989079)
- [3D Interpolation](https://appshunter.io/ios/app/3d-interpolation/id1000298349)
- [Kick Game 2](https://appshunter.io/ios/app/kick-game-2/id1060736340)
- [Driller's Method](https://appshunter.io/ios/app/drillers-method/id1067011800)

All apps by Carlos Moura: https://appshunter.io/developer/407501202

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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 2026-08-16.*