Depending on how you are planning on cooking them. for uniform cooking, try to select a uniform size, or cut the larger ones in half. Cut off the ends of each potato, but don't peel them. Allow at least 2 potatoes per person, or about 1/2 lb. For 100 people, that would be around 50 lbs.
If you are serving a lot of other side dishes, such as salads and other vegetables, you might be able to lower that to 40 pounds, but I would suggest any less.
You will need about 1 pound of potatoes per every 3 people.
About 80 pounds
You need one and 1/4 potato per person, so: - serving 4 people,= 5 potatoes - serving 10 people,=12 - 13 potatoes.
you would need about 10,000lbs of tato to feed that many booties
you need about 1200 normal sized potatoes!
To make cheesy potato casserole most recipes require about 2 pounds of potatoes to feed 8 people. If you are feeding 150 people the recipe would need to be made 19 times over and require 38 pounds of potatoes.
Are they having other vegetables. If so, then about 18 pounds of potato.
A general guideline is to plan for about 0.5 to 0.75 pounds of potatoes per person when serving them as a side dish. For 20 people, you would need approximately 10 to 15 pounds of potatoes. If the potatoes are the main component of the meal, you might want to increase that amount to around 15 to 20 pounds. Adjust based on the specific preferences and appetite of your group.
Since 25 pounds feeds 100, you'll need 106 1/4 pounds of potato salad.
That would be 2.5 pounds.
It depends on how big your potato is. If it is a large one then 1/2 a potato per person. If the potato is small then 1 potato per person.
To serve mashed potatoes for 150 people at a serving size of 4 ounces each, you will need a total of 600 ounces (150 people x 4 ounces). Since there are 16 ounces in a pound, this amounts to 37.5 pounds of mashed potatoes needed. Generally, raw potatoes yield about 2 to 2.5 times their weight when cooked and mashed, so you would need approximately 15-20 pounds of raw potatoes to produce the required amount of mashed potatoes.