Protein Intake Calculator
Estimate a daily protein target (grams/day) from your weight and goal. Informational only.
Informational only (not medical advice). Protein needs vary by individual and medical conditions. Privacy: runs locally in your browser. No inputs are stored or sent to a server.
How it works
This tool estimates daily protein using a body-weight guideline: protein (g/day) = body weight (kg) × target (g/kg/day). If you enter pounds, it converts to kilograms using 1 lb = 0.45359237 kg.
Presets in this tool use a range (min–max) to reflect individual variability:
- General / maintenance: 0.8–1.2 g/kg/day
- Fat loss: 1.6–2.2 g/kg/day
- Muscle gain / strength: 1.6–2.2 g/kg/day
- Endurance: 1.2–1.7 g/kg/day
Examples
- 70 kg, general → about 56–84 g/day
- 70 kg, fat loss → about 112–154 g/day
- 150 lb (≈ 68.0 kg), endurance → about 82–116 g/day
When to use this tool
This tool is designed for quick, practical tasks such as everyday calculations, data formatting, or simple conversions. It is best used when you need fast results without installing software or using complex tools.
When to use
- Quick checks or one-time calculations
- Validating or converting data before using it elsewhere
- Simple tasks that do not require advanced software
When not to use
- Critical financial, legal, or medical decisions
- Large-scale or automated processing
- Situations requiring guaranteed precision beyond basic validation
Always review results before using them in important contexts.
About this tool
This tool helps you perform quick utility operations directly in your browser. It runs entirely in your browser without sending data to a server.
You can use this tool when handling simple tasks without installing additional software. The results should be interpreted as a processed output based on your input data.
FAQ
- What does this protein intake calculator do?
It estimates a daily protein target in grams using a body-weight guideline (g/kg) based on your goal and activity. It’s a starting point, not medical advice.
- Which guideline does it use?
It uses a grams-per-kilogram range by goal (maintenance, fat loss, muscle gain, endurance). You can also choose a custom g/kg value.
- Can I enter my weight in pounds?
Yes. The calculator converts lb to kg internally (1 lb = 0.45359237 kg).
- Why does it show a range?
Protein needs vary by training volume, body composition, age, and diet. A range is more realistic than a single number for most people.
- Is my data stored?
No. All calculations run locally in your browser. Inputs are not sent to a server.