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• Download 17
• File Size 3.68 KB
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• Create Date July 18, 2025
• Last Updated July 18, 2025

BMI and English to Metric (and Metric to English) converter

This Grease Monkey script will add English to metric conversion (on double click) and
The script is designed to work in OSCAR 12, 15, 19, OSCAR Pro, Open O, Avaros, and Juno but is not tested in all of them
In OSCAR 19 and Open-O automatic BMI calculation is already present, this just adds the English to Metric conversions
The script is designed to work in any Measurement group that has one or more of Height and Weight.
(Obviously both need to be present to auto calculate BMI)

Installation Directions
1. add Grease Monkey extension to Firefox
2. Copy and paste this script into a new GM script window

End User Instructions
Minimal end user prompting is suggested by light blue background for the affected inputs with rollover prompts
it also confirms that the script has loaded!
1. For height conversion you need to enter in the format 6'2" (or 6'2 if you are in a hurry) and double click
2. For weight conversion you need to enter the weight in lbs without any units and double click
3. BMI is automatically calculated once there are entries in both Height and Weight
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Peter Hutten-Czapski
Haileybury Ontario

Attached Files and Latest Versions