What is the Protein Intake Calculator?
Estimate your daily protein target from body weight and activity.
Enter weight and goal and the Protein Intake Calculator returns protein per day and per meal over 3 meals. Results update as you type, and nothing you enter leaves your device.
How it is calculated
Protein (g) = weight (kg) × grams per kg
This is a general estimate for adults and not medical advice. Talk to a doctor or dietitian about your own health.
How to use it
- Enter weight in kg.
- Choose goal.
- Read protein per day in the results panel. It updates as you type.
- Change any value to compare scenarios, or use Share to send the result as a link.
Worked example
Common questions
What formula does the Protein Intake Calculator use?
It uses: Protein (g) = weight (kg) × grams per kg.
What do I need to use the Protein Intake Calculator?
You need weight and goal. Sensible starting values are filled in so you can see how it works straight away.
Is the Protein Intake Calculator free, and is my data stored?
It is free with no sign-up. The calculation runs in your browser, so the values you enter are not sent to or stored on our server.