There are 310 calories in a Grilled Onion Cheddar Burger from McDonald's. Most of those calories come from fat (38%) and carbohydrates (42%).
To burn the 310 calories in a Grilled Onion Cheddar Burger, you would have to run for 27 minutes or walk for 44 minutes.
According to our website visitors, a Grilled Onion Cheddar Burger is not a healthy and nutritious option from McDonald's, with only 40% 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 Grilled Onion Cheddar Burger is healthy or not.
There are 10 Weight Watchers Freestyle Points, 10 WW SmartPoints and 8 WW PointsPlus in a serving of Grilled Onion Cheddar Burger from McDonald's.
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