# OrthoBMI – BMI Calculator — BMI Target Weight for Surgery

> Clinical BMI calculator for orthopedic surgery planning and target weight estimation. (iPhone/iPad app by THOMAS WARD GILL JR.)

- Source: https://appshunter.io/ios/app/orthobmi-bmi-calculator/id6761197088 (this page in markdown: same URL + `.md`)
- Developer: [THOMAS WARD GILL JR](https://appshunter.io/developer/1888228854)
- Category: Medical, Health & Fitness
- Price: $0.99 (on sale, was $1.99)
- Rating: 5.00/5 from 6 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 26.2 · 2 MB
- Languages: English
- Released: 2026-04-06
- Data updated: 2026-07-08
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/orthobmi-bmi-calculator/id6761197088/reviews.md

## What is OrthoBMI?

OrthoBMI is a clinical BMI calculator designed for orthopedic surgery and joint replacement planning.

Calculate patient weight at key BMI thresholds or determine BMI from actual weight using a fast, clinic-ready interface.

Enter height to generate:
• Target weight for BMI thresholds
• Actual weight for BMI calculation

Target weight represents the body weight a patient would need to reach a specific BMI threshold at their current height. It is presented as a practical estimate that accounts for normal day-to-day weight fluctuations, supporting realistic goal setting and preoperative planning.

Features:
• BMI calculator for orthopedic and surgical use
• Toggle between target weight and actual weight calculations
• Automatic outputs at BMI 35, 40, 45, and 50
• Optimized for iPhone and iPad
• Integrated BMI guidance for surgery

OrthoBMI supports efficient, consistent BMI-based discussions in clinic.

This BMI calculator is intended for clinical support and informational use only and does not replace medical judgment.

## Key features

- BMI calculator for orthopedic and surgical use
- Calculate target weight for BMI thresholds
- Determine BMI from actual weight
- Automatic outputs at BMI 35, 40, 45, and 50
- Integrated BMI guidance for surgery
- Optimized for iPhone and iPad

## Chart rankings

- #200 in Top Paid · Medical (US App Store)

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/orthobmi-bmi-calculator/id6761197088/reviews.md

### 5/5 — Great App

*2026-04-11*

Great app to have in clinic, super quick and easy to use!

### 5/5 — Awesome app

*2026-04-10*

Very convenient and easy to use in a clinical setting!!

### 5/5 — Orthopedic surgeon review

*2026-04-09*

Helpful in my orthopedics clinical practice for myself as well as a resource for my patients to identify target weight for surgical candidacy.

### 5/5 — Great App

*2026-04-06*

Very useful! Makes practice and decision making more efficient!

## Frequently asked questions about OrthoBMI

### What is OrthoBMI used for?

OrthoBMI is a clinical BMI calculator designed specifically for orthopedic surgery and joint replacement planning. It helps calculate patient target weights at key BMI thresholds or determine BMI from actual weight.

### Does OrthoBMI provide target weights for specific BMI levels?

Yes, OrthoBMI automatically provides target weight outputs for BMI thresholds of 35, 40, 45, and 50. This feature aids in realistic goal setting and preoperative planning for patients.

### What devices does OrthoBMI support?

OrthoBMI is optimized for use on both iPhone and iPad devices. It offers a clinic-ready interface for efficient calculations on these platforms.

### How accurate is OrthoBMI for medical use?

OrthoBMI is intended for clinical support and informational use only and does not replace medical judgment. It provides practical estimates to support discussions and planning.

### What is the price of OrthoBMI?

OrthoBMI is available for a one-time purchase of $0.99. This grants you access to its specialized BMI calculation features for surgical planning.

### How often is OrthoBMI updated?

The latest version of OrthoBMI is 1.1, which was last updated on April 11, 2026. Updates typically focus on refining features and ensuring compatibility.

### What is the age rating for OrthoBMI?

OrthoBMI has an age rating of 4+. This indicates it is suitable for a wide range of users, including healthcare professionals and students.

### Does OrthoBMI have ads?

No, OrthoBMI does not contain advertisements. As a paid application, it offers an ad-free experience for uninterrupted use.

## Version history (last 2 releases)

### 1.1 — 2026-04-11

Added iPad support with optimized layout. Introduced toggle for target vs actual weight calculations. Added integrated BMI guidance for surgical decision-making. Refined interface and improved labeling for clarity.

### 1.0 — 2026-04-06

No release notes.

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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 2026-07-08.*