One International House of Pancakes, or IHOP, original buttermilk pancake has 154 calories, with 45 calories from fat. The total amount of carbohydrates in one IHOP pancake is 23 grams, which is 8 percent of the recommended daily value.
The average plain buttermilk pancake prepared at home has approximately 86 calories, with 32 calories from fat, 10.9 grams of carbohydrates and 3.5 grams of total fat. The IHOP buttermilk pancake has 528 milligrams of sodium, while the average homemade pancake only has 198 milligrams. The average homemade pancake has less saturate fat, trans fat, protein and sugars that the IHOP buttermilk pancake does.