Daily protein need
Enter your numbers — the results update instantly.
Protein84 g
Calories336 kcal
Worked example
Given: Weight = 70 kg; Goal / activity = Active / age 65+ (1.2)
Result: Protein = 84 g; Calories = 336 kcal
How it is calculated
1. Enter the values you know. 2. The calculator converts them to base units and applies the formula. 3. The result is shown in the unit you choose.
Frequently asked questions
How do I calculate it?
Given: Weight = 70 kg; Goal / activity = Active / age 65+ (1.2). Result: Protein = 84 g; Calories = 336 kcal.
Is the calculator free and private?
Yes. It is free, needs no sign-up and runs in your browser — the numbers you type stay on your device.