analyticsScience-Backed Calculator

Fat Loss vs Weight Loss Estimator

Estimate fat-mass and lean-mass contributions in scale-weight change.

verified

Clinical Accuracy

Grade A

Body Composition Details

Estimate how much of your scale-weight loss comes from actual fat versus lean tissue.

Use our Body Fat Calculator if unsure

support_agentFREE Coach Support

Get a Personalised Plan

Share your number and goal. We'll tailor a coach-supported next step for you.

🧑
👩
🧔
👩‍🦱

1,200+ users coached this month

Loading the form…

Related Tools

3 tools

Research Reference

biotechScientific Method

Applies composition partitioning logic where higher baseline body fat tends to improve fat-loss share.

Forbes GB. (1987)

Nutr Rev.