There are 340 calories in a Jr. Burger from Sonic. Most of those calories come from fat (43%) and carbohydrates (39%).
To burn the 340 calories in a Jr. Burger, you would have to run for 30 minutes or walk for 49 minutes.
According to our website visitors, a Jr. Burger is not a healthy and nutritious option from Sonic, with only 35% 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 Jr. Burger is healthy or not.
There are 11 Weight Watchers Freestyle Points, 11 WW SmartPoints and 9 WW PointsPlus in a serving of Jr. Burger from Sonic.