How Many Grams is 13 oz of Chicken Breast? The Definitive Conversion Guide

November 26, 2025 •

3 min read

One avoirdupois ounce is precisely equivalent to 28.3495 grams. Using this standard conversion, a 13 oz chicken breast is equal to 368.54 grams, a detail critical for precise cooking and nutritional tracking.

Quick Summary

This article explains how to convert 13 oz of chicken breast into grams using kitchen scales and charts. It covers precise measurement techniques, provides nutritional context for this portion size, and includes practical tips for cooking.

Key Points

Conversion Fact: 13 oz of chicken breast equals approximately 369 grams.
Accuracy is Key: Use a digital kitchen scale for precise measurement over volume-based tools like cups.
Nutritional Context: A 13 oz cooked, skinless breast contains roughly 609 calories and 114 grams of protein.
Prevent Dryness: Pound chicken breast to an even thickness or slice into cutlets for more uniform cooking.
Check for Doneness: Always use a meat thermometer to ensure the internal temperature reaches a safe 165°F (74°C).

Converting Ounces to Grams for a 13 oz Chicken Breast

Understanding metric conversions is essential for any home cook or meal prepper. For those following recipes from around the globe or tracking macros accurately, knowing precisely how many grams is 13 oz of chicken breast is a common requirement. The conversion is straightforward: one ounce is approximately 28.35 grams. Therefore, to convert 13 ounces to grams, you multiply 13 by 28.35. The result is 368.55 grams. For most culinary purposes, rounding this to 369 grams is perfectly acceptable.

The Importance of a Digital Kitchen Scale

While conversion charts are helpful, the most accurate method for determining the weight of a 13 oz chicken breast is to use a digital kitchen scale. Unlike measuring cups, which use volume, a scale measures mass, providing a precise and consistent result.

Steps for using a kitchen scale:

Set the scale: Ensure your digital scale is set to the 'grams' or 'g' unit.
Use the tare function: Place your empty bowl or plate on the scale and press the 'tare' or 'zero' button. This feature subtracts the container's weight, giving you a reading of only the food.
Add the chicken: Place the chicken breast on the container. The reading will show its weight in grams, allowing you to easily confirm if it's 369 grams or close to it.

Nutritional Profile of a 13 oz Chicken Breast

Beyond just the weight, understanding the nutritional content is vital for meal planning. The nutrition facts for a 13 oz chicken breast will vary slightly depending on whether it's raw or cooked and whether it's skinless and boneless. A standard 3.5-ounce (100g) serving of cooked, skinless, boneless chicken breast contains approximately 165 calories and 31 grams of protein. By extension, a 13 oz portion is significantly larger and offers substantial nutrients.

Comparing Different Preparations


Nutrient	100g Cooked Chicken Breast (Approx.)	13 oz (369g) Cooked Chicken Breast (Approx.)
Calories	165 kcal	609 kcal
Protein	31 g	114 g
Total Fat	3.6 g	13.3 g
Carbohydrates	0 g	0 g
Sodium	74 mg	273 mg
Potassium	256 mg	945 mg

Note: These values are approximate and can change based on the exact cut, cooking method, and additional ingredients.

Cooking Tips for a 13 oz Chicken Breast

Cooking a large cut like a 13 oz chicken breast can be tricky, as it’s easy to overcook and dry out the thinner parts while the thicker section remains undercooked. Proper measurement and technique are key to ensuring a juicy and safe meal.

How to Cook Large Chicken Breasts Evenly

To prevent uneven cooking, consider a few strategies:

Pound it thin: Use a meat mallet to pound the chicken breast to an even thickness. This ensures all parts cook at the same rate, preventing dryness.
Cutlets: Alternatively, slice the breast into smaller, more manageable cutlets. This reduces the overall cooking time and allows for more even heat distribution.
Use a meat thermometer: The most reliable method is to use a meat thermometer. Cook until the internal temperature reaches 165°F (74°C).
Brine: Soaking the chicken in a saltwater solution (brine) for 30 minutes to an hour before cooking helps retain moisture, resulting in a more tender and juicy result.

Common Cooking Methods for Chicken Breast

Oven-Baked: Baking at a moderate temperature, like 375°F (190°C), for 20-25 minutes is a popular method. Covering it with foil for part of the cooking time can also help lock in moisture.
Air Fryer: An air fryer is an excellent option for quick and juicy results. Cook for 16-20 minutes at 360°F (180°C), flipping halfway.
Pan-Seared: For a delicious crust, sear the chicken in a hot skillet with a little olive oil. Finish it off in the oven for even cooking.

Conclusion

Knowing that 13 oz of chicken breast is approximately 369 grams is a simple yet crucial piece of information for precise cooking and nutritional tracking. By using a digital kitchen scale and understanding the nutritional context, you can achieve consistent results every time. Whether you're tracking macros for fitness goals or simply following a recipe, accurate measurement is the foundation of culinary success. For further information on the nutritional benefits of chicken, visit the National Chicken Council's website.

Frequently Asked Questions

Weighing ingredients in grams using a digital scale is more accurate because mass is consistent, whereas volume measurements with cups can vary significantly based on how tightly an ingredient is packed.

A 13 oz cooked, boneless, skinless chicken breast contains approximately 609 calories. This estimate is based on a standard cooked breast having about 165 calories per 100 grams.

You can expect around 114 grams of protein from a 13 oz cooked, skinless chicken breast. This is calculated from the standard protein content of 31 grams per 100 grams of cooked chicken.

To avoid a dry chicken breast, pound it to an even thickness, slice it into cutlets, or use a cooking method that retains moisture like brining or baking wrapped in foil. Always cook to temperature, not time, using a meat thermometer.

No, raw chicken breast and cooked chicken breast have different weights. When cooked, chicken loses water and fat, causing its overall weight to decrease. The nutritional information provided is for cooked portions.

The conversion factor of 1 oz = 28.3495 grams is often rounded for simplicity. While 368.54 grams is the precise result, rounding to 369 grams or even 370 grams is common practice in recipes and can be sufficiently accurate for most purposes.

While charts provide a good approximation, baking requires precise measurements where weight-based conversions are superior. For cooking, especially where precision is less critical, charts can suffice, but for baking, a scale is recommended for consistent results.