How many calories are in a McDonald’s fish fillet?
How many calories are in a McDonald’s fish fillet? This McDonald’s fish sandwich has fish sourced from sustainably managed fisheries, on melty American cheese and topped with creamy McDonald’s tartar sauce, all served on a soft, steamed bun. There are 390 calories in McDonald’s Filet-O-Fish. Learn what kind of fish is in Filet-O-Fish®!