Hand Portion Sizer
No food scale? Convert your macros into palms, fists, cupped hands, and thumbs.
Don't want to weigh every meal on a digital scale? Convert your daily calorie and macro targets into palms of protein, fists of veggies, cupped hands of carbs, and thumbs of fats.
How this is calculated
Methodology & sources
- Acceptable Macronutrient Distribution Ranges (AMDR): National Academies of Sciences, Engineering, and Medicine — Dietary Reference Intakes
- Per-meal protein intake for muscle retention (0.4–0.55 g/kg/meal): Schoenfeld BJ, Aragon AA — Journal of the International Society of Sports Nutrition (2018)
Privacy — how your data is handled
All math runs in your browser on your device. Nothing you type is sent to a server,
and saved results live only in this browser's local storage. Tools that use live
public data (food databases, weather) request only what they need to display.
⚖️ Practical toolkit tip — Flat Digital Kitchen Food Scale (1g / 0.05 oz precision, ~$12)
Why it helps: Using the "Tare / Zero" button on your plate lets you weigh peanut butter, oils, or cooked chicken in 5 seconds without dirtying measuring cups.
Pro tip: Use a digital scale for 2 weeks to calibrate your eye, then switch to our Hand Portion Sizer whenever you eat out.