Body Composition Guides
Learn how each body fat testing method works, what it costs, how accurate it is, and when it makes sense to use it. For direct head-to-head decisions, use the comparison hub.
Body-composition DEXA pricing varies by provider and location. Learn what the scan measures and how to compare options for tracking between visits.
Read the guide →An InBody scan is a 60-second BIA body composition test found in many gyms. Here is how it works, how accurate it really is (plus or minus 3-5%), what it costs, and how to read the results.
Read the guide →Learn what fat mass, DEXA lean soft tissue, skeletal muscle, and D3-creatine estimates represent, plus how common body-composition methods differ.
Read the guide →You can measure body fat at home with calipers, a tape measure (Navy method), a BIA smart scale, or an AI body scan. Here is how accurate each is and how to do it right.
Read the guide →Smart scales estimate body fat with BIA and are off by about 5-8%. Here is why they are inaccurate, what they are actually good for, and a more reliable way to track body fat.
Read the guide →Use the comparison hub when you want to choose between two methods, like DEXA vs InBody, DEXA vs calipers, or InBody vs smart scales.
Compare body fat measurement methods →FitCommit uses three phone photos to estimate body fat and lean mass, then connects the estimate to TDEE, macro targets, and a weekly trend. No clinic visit or measurement equipment required.
Try FitCommit Free