Calorie-Count About.com Health
Calories Burned for Activity: Mowing Lawn
General

374 calories per hour

Assuming a body weight of: 150 lbs
This is equivalent to eating any of the lines of the following table.

Quantity Description Cals
1.4 Grande Starbucks Caffe Latte - Made with whole milk 260
0.5 McDonald's Big Mac - With cheese 704
4.7 Glasses of wine (3.5 fl oz) 79
1.4 Snickers Bar 273
1.8 Cans of Coca-Cola 207
12.5 Carrots 30