The answer to this question depends on what you consider a "serving." Is a serving what a restaurant serves, or is it what's recommended by health organisations and national food guides?
A 16oz. steak is considered generous in America, and 12oz. moderate. You may find the numbers smaller in Europe. Larger servings are available, but rarely exceed 22oz.
According to the USDA, a 5-6oz steak is a full day's portion (i.e. 2 full servings) from the protein group (meat and alternatives). Realistically, a 2.5-4oz steak is much healthier, with the rest of your daily protein made up from other kinds of foods (like legumes, nuts, and fish). See the related links below for details.
4 ounces of lean, broiled venison is about 180 calories.
It can vary greatly based on how thick the slices are. But one serving (3 ounces) of flank steak is about 200 calories or so.
T bone steaks are anywhere from 6 to 10 ounces of meat. Some are even larger, usually available in a steakhouse.
Approximately 502.6 mg. of phenylalanine can be found in a 4 oz. steak.
I have heard a serving is 2 ounces on average.
A 130g steak weighs 130 grams. To put that in perspective, it's about 4.6 ounces. This weight is typical for a single serving of steak, depending on personal preferences and dietary needs.
An 8 ounce glass of water is considered one serving, so there are 2 servings in 16 ounces of water.
4 ounces
12
1.5 ounces
A pound is 16 ounces. A quarter of a pound would be 4 ounces.
I would give about 8 ounces in a serving of jambalaya