Protein calculator

Estimate a daily protein target from body weight, activity, and goal. Free results — optionally email yourself a summary via PureVital.

Also try the BMI calculator · All tools

Free tool

Protein calculator

Body weight (lb)

Activity level

SedentaryDesk work, little exerciseLightly active1–3 light workouts / weekModerately active3–5 workouts / weekVery active6–7 hard sessions / weekAthlete / physical jobTraining + high daily movement

Goal

MaintainHold current body compositionLose fatHigher protein to preserve muscleGain weightSupport lean mass with surplusBuild muscleStrength-focused intake

Age (optional)Sex (optional)

Targets are educational estimates based on weight, activity, and goal — not medical nutrition therapy. Clinicians should individualize for kidney function, illness, and training load.

Results appear here

Choose weight, activity, and goal to get a free daily protein target instantly.

Free follow-up

Save your results & get clinic tips

Share your details and we'll email a summary plus optional PureVital formulary guidance for licensed professionals. Free — no purchase required.

Full name * Email * Phone *Clinic / practice (optional)

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Professional Clinical Formulary. Professional supplement and wellness formulary for licensed clinics — not regular medicines. For professional use only.

PureVital Clinical Formulary — Strength & Volume updates April 2026

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