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Protein Calculator – Estimates daily protein needs based on body wei...

The Protein Calculator estimates daily protein needs based on body weight and activity level. This Protein Calculator uses an established clinical or fitness formula to give you a personalised estimate in seconds. Results are for educational reference — for specific health decisions, discuss with your doctor.

The formula behind this calculator: Commonly recommends 0.36-0.9g of protein per pound of body weight depending on activity. As a practical example: A 160lb active adult might target roughly 115-145g of protein per day. All results are calculated instantly in your browser — no data is stored or transmitted.

Protein Calculator FAQ

What does the Protein Calculator calculate?

Estimates daily protein needs based on body weight and activity level.

Why might my doctor's calculation differ?

Clinical assessments use additional factors, validated instruments, and professional judgement not captured in a general-purpose calculator.

Is this a substitute for medical advice?

No. These calculators provide general estimates for educational purposes only. Always consult a doctor or qualified health professional for medical decisions.

Is this calculator free?

Yes — all CalcHive calculators are free with no sign-up, no account, and no usage limits.