Beef, bottom sirloin, tri-tip roast, separable lean only, trimmed to 0" fat, choice, raw: oz to Grams
Quick answer
One oz of beef, bottom sirloin, tri-tip roast, separable lean only, trimmed to 0" fat, choice, raw weighs 113 grams.
1 oz113 g
Reference serving (nutrition facts)100 g
Source: USDA FoodData Central - SR Legacy (2018-04) (USDA household portion weight)