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.
A DEXA body composition scan costs $75-150 per visit in the US. Here is what drives the price, what you actually get, and cheaper ways to track body fat between scans.
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 →Body composition analysis breaks your weight into fat, muscle, and water. Here is how every method works, from DEXA to AI body scans, how accurate each is, and which to use.
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 estimates body fat, lean mass, TDEE, and macros from a phone scan in about 60 seconds. No clinic visit, no equipment, and a free trial to start.
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