There are 540 calories in a Fish Sandwich from Sonic. Most of those calories come from fat (44%) and carbohydrates (42%).
To burn the 540 calories in a Fish Sandwich, you would have to run for 47 minutes or walk for 77 minutes.
According to our website visitors, a Fish Sandwich is not a healthy and nutritious option from Sonic, with only 30% of voters finding it to be healthy.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a Fish Sandwich is healthy or not.
Allergy Information: a Sonic Fish Sandwich contains egg, fish, gluten, milk, soy and wheat. a Sonic Fish Sandwich does not contain MSG, peanuts, shellfish or tree nuts.*
* Please keep in mind that most fast food restaurants cannot guarantee that any product is free of allergens as they use shared equipment for prepping foods.
There are 16 Weight Watchers Freestyle Points, 17 WW SmartPoints and 14 WW PointsPlus in a serving of Fish Sandwich from Sonic.