How to interpret this estimate
Measure weight change relative to a starting weight. Weight change equals starting weight minus current weight.
When this result is useful
Use it to measure weight change relative to a starting value and distinguish loss from gain.
Common limitations
A positive percentage represents loss and a negative percentage represents gain. Scale changes can reflect fluid, food, muscle, pregnancy, medication, or medical conditions.
This calculator uses the selected inputs and the fixed formula behind the tool to produce an estimate. Review the units, assumptions, and result labels before using the output for planning.
Health results are screening or planning estimates only. They do not diagnose health status or replace advice from doctors, dietitians, or qualified healthcare professionals.
Read the medical disclaimer for more context.