Visual Portion Guide
Learn to estimate portions using hand sizes and common objects.
Meat, Fish, Poultry
3 oz ≈ Palm of your hand
About the size and thickness of your palm (no fingers)
Cheese
1 oz ≈ Your thumb
From tip to base of your thumb
Your Hand = Your Portion Guide
Cupped Hand
1/2 cup grains or pasta
Closed Fist
1 cup vegetables
Palm
3 oz protein
Thumb
1 tbsp fats
Skip the guessing with Calvin
Get precise portions with AI-powered photo analysis
Related Guides Articles
What Is a Calorie Deficit and How Big Should Yours Be?
A calorie deficit is required for fat loss—but how big should it be? Learn the science, the math, and how to set the right deficit for your goals and lifestyle.
Should You Eat Back Exercise Calories? When It Makes Sense (And When It Doesn't)
Your watch says you burned 400 calories—should you eat them back? Here's when it makes sense, when it doesn't, and why fitness trackers get it wrong.
Why You Overeat on Weekends (And How to Fix It)
Research shows most people eat more on weekends. Here's why the 'Monday diet' phenomenon happens and practical strategies to stop sabotaging your progress.