
Goniometer - Bone Learning
Measure angles on images
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Free
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About
Goniometer is the perfect tool to measure angles directly on your clinical images — radiographs, photos, or any study image.
Simple, precise, and built for anyone who needs rigor in angular assessment.
HOW IT WORKS
• Upload a photo from your camera roll (JPG, PNG, or HEIC).
• Crop and adjust the image to your area of interest.
• Measure in two ways:
– With a vertex: tap the two endpoints and the vertex.
– Between lines: define two lines and get the angle between them.
• Fine-tune the points by dragging them directly on the image.
• Name each angle to keep your measurements organized.
EXPORT AND SHARE
• Generate an annotated image with the angles overlaid or listed.
• Download as PNG, share, or copy the values as text.
BUILT FOR PROFESSIONALS AND STUDENTS
Ideal for orthopedics, physical therapy, radiology, dentistry, and health education — whenever angular measurement matters.
A tool by Bone Learning.
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What's New in Goniometer
1.0
October 29, 2026


