Mass & Measure Body Fat
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Mass & Measure
mass&measurebody composition studio
Your numbers stay on this device

A calmer way to understand your body

Measure the mass.
Own the next step.

Estimate body composition, see a playful animal reference, and map a gradual weight-gain plan from one clear snapshot.

Start here

Your measurements

01 / 03

Use centimetres and kilograms. A soft tape measure gives the best estimate.

Tape measurementsrelaxed, not pulled tight

Hips are used for the female equation.

Your readout

Body snapshot

Your numbers will land here

Complete the five measurements to see BMI, body-fat percentage, and fat mass in kilograms.

Visualise, gently

See your future frame

Optional AI visualisation. Your photo is used only for this preview.

A picture of your progress

Upload a well-lit, fully clothed photo and we’ll create a respectful, non-sexual projection of your goal. Nothing is saved automatically.

Your visualisation will appear here

Keep the goal kind. Body-fat estimates can be off. If weight change is important to you, a clinician or registered dietitian can help set a safe, personal pace.

Mass & Measure · a private body-composition notebook