CycliStats™ - Body Fat Estimator
Estimate your Body Fat Percentage using this tool built into CycliStats.
It uses formulas developed by the US Department of Defense, that
only require a few simple body measurements. Based on the Defense Department's studies,
body fat estimates should be reasonably accurate for most adults
(they use these same estimates as part of their physical fitness standards testing).
CycliStats keeps track of your body fat percentage in your Health records, allowing you
to track changes in your body fat percentage over time.