Health & Fitness · Free tool
Protein Intake Calculator
Calculate daily protein grams from body weight, activity level, and goal (cut, maintain, bulk). References IOM + ISSN guidelines.
Updated April 2026
84 g protein / day
Based on 70.0 kg x 1.2 g/kg
Meal 1
21 g
Meal 2
21 g
Meal 3
21 g
Meal 4
21 g
Based on 4 evenly-spaced meals per day.
Estimate only — consult a doctor or RD for medical advice.
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What it does
Calculate daily protein grams from body weight, activity level, and goal (cut, maintain, bulk). References IOM + ISSN guidelines.
Runs entirely in your browser — no upload, no account, no watermark. For more tools in this category see the full tools index.
How to use it
- Fill in the inputs or drop your file.
- Click the primary button to run.
- Copy or download the result.