IN THE FIELD GUIDE
Checkbodyfat
checkbodyfat.online
FormCheck offers a free AI-based body fat percentage calculator that estimates body fat from a single full-body photo without requiring an account. It provides a confidence range and supports repeatable progress tracking over time by comparing monthly photos.
THE PRODUCT, BEYOND THE PITCH
Editorially reviewed · Sources checked Oct 2, 2026
A good fit for
- Individuals wanting a free, private, and easy way to estimate and track body fat percentage without medical devices or clinical precision.
- Users who prefer privacy by design, as photos are not stored and metadata is removed before analysis.
Know the limitations
- Estimates are nonmedical and should not replace clinical advice, DEXA scans, or health decisions.
- Accuracy varies with pose, lighting, clothing, camera angle, and individual fat distribution; results include uncertainty and confidence ranges.
What you can do
- Tracking body fat changes over time using monthly photo comparisons to see trends beyond scale weight.
- Providing a nonmedical, visual body fat estimate to support fitness and health progress monitoring.
Features
- AI-based body fat percentage estimation from a single front-facing full-body photo.
- Provides a confidence range and midpoint instead of false precision for body fat estimates.
- Private progress tracking with monthly comparable check-ins and trend reports.
Integrations
Not confirmed yet.
Platforms & data export
- Web-based application accessible via browser; users upload photos from smartphones or cameras.
- Allows export of results from progress membership for personal use.
THE COST FOR YOUR TEAM
Go beyond the starting price.
Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.
Cheapest fit for 1 person, all 1 tools
$2.42/month
$29.04 a year on these plans.
Some figures carry conditions the vendor did not state — see the notes beside each plan.
| Tool / plan | Monthly | Per year | What this assumes |
|---|---|---|---|
AnnualCheapest fit Flat subscription | $2.42 | $29.00 |
Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
Monthly Flat subscription | $4.99 | $59.88 | Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
A practical workflow
- Capture a consistent front-facing full-body photo in neutral lighting and relaxed pose with fitted athletic clothing.
- The model checks photo quality first and returns a range and confidence level for the body fat estimate.
- Repeat the photo setup approximately every four weeks to compare private numeric results and track progress direction.
Based on the sources below. Editorial review does not imply hands-on product testing.
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