Protein Intake Calculator

Use the free protein intake calculator to compute protein intake instantly. Includes the formula, a worked example and FAQs. No sign-up.

What is the Protein Intake Calculator?

The protein intake calculator is a free online tool that helps you work out protein intake quickly and accurately. It uses the standard formula Protein = weight(kg) x factor (g/kg) and shows the result instantly as you type, along with a full breakdown so you can see exactly how the answer was reached.

How to use this calculator

  1. Enter your weight.
  2. Choose your goal.
  3. See your daily protein target.

Formula used

Protein = weight(kg) x factor (g/kg)

Explanation of each input

  • Weight (kg) โ€” the weight used in the calculation.
  • Goal โ€” the goal used in the calculation.

Understanding your result

  • Daily protein โ€” the calculated daily protein in g/day.

Step-by-step calculation

For the example values 70kg, active:

  1. Apply the formula: Protein = weight(kg) x factor (g/kg)
  2. Substitute the values: 70 x 1.2
  3. Result: about 84 g/day

Worked example

Inputs70kg, active
Working70 x 1.2
Resultabout 84 g/day

Benefits and practical uses

This calculator saves you time and reduces errors when you need protein intake. It is useful for students, professionals and anyone who wants a fast, reliable answer without manual calculation. Results update instantly, work in your browser and can be copied or shared in one click.

Assumptions and limitations

  • General g/kg guidelines for healthy adults.

Frequently asked questions

Can I eat too much protein?

Very high intakes offer little extra benefit for most people and stress the kidneys in those with kidney disease.

Disclaimer: This calculator provides general estimates for educational purposes only and is not medical advice. Consult a qualified healthcare professional for personal guidance.