Calories in pork tenderloin

Lean only, roasted. 143 kcal (598 kJ) per 100 g. Choose a portion below and every figure on the page updates.

Pork tenderloin is the leanest cut of pork, providing 143 kcal (598 kJ) per 100 g when roasted with only 3.5 g of fat. Protein supplies most of its energy, at about 26 g per 100 g. It is also an exceptional source of thiamin (vitamin B1), plus selenium and vitamin B6. Tenderloin is a long, narrow muscle that cooks quickly and dries out if overcooked.

Where the energy comes from

Share of total energy contributed by each macronutrient, using the standard 4/4/9 kcal per gram factors:

Things worth knowing

• A 3 oz (85 g) serving has about 122 kcal / 509 kJ and 22 g of protein; a whole tenderloin from 1 lb raw (333 g cooked) is about 476 kcal / 1992 kJ.
• Weight for weight, roasted pork tenderloin has slightly fewer calories than roasted skinless chicken breast (165 kcal per 100 g).
• A 3 oz serving gives about 0.8 mg of thiamin (around two thirds of the Daily Value) and about 32 µg of selenium, close to 60%.
• Tenderloin has so little external fat that eating it untrimmed changes little: USDA lists lean and fat together at 147 kcal per 100 g.

Converting these figures

One 3 oz of pork tenderloin is 122 kcal, which is 509 kJ. To convert any other figure, divide kilojoules by 4.184 for calories, or use the converter on the home page.

It takes 167 g of pork tenderloin to reach 1,000 kJ (239 kcal). See how that compares with other foods on the 1000 kJ to calories page.