One small potato weighing approx. 170 gm have 134 calories.
One medium potato weighing approx. 213 gm have 168 calories.
One large potato weighing approx. 369 gm have 292 calories.
369g = 13.0oz
Calories in 1 lb of potatoesWith nothing yet added (no butter) there are:400 calories in 1 pound of boiled or steamed old potatoes342 calories in 1 pound of boiled or steamed new potatoesFor the calories in other vegetables, and vegetable and fruit calorie charts that you should use as daily guides for either weight loss or weight maintenance, the page link, further down this page, listed under Related Questions.
There are 298 milligrams in 369 grams. This is shown on a math chart.