Simple way of working out calorie intake

When you are tracking your calorie intake, it's important to know how much a gram of carbs contains as opposed to a gram of fat. (Mmmmm, pasta and meatballs...)

Here's a simple graphic to help you remember

calories in protein carbohydrates and fat

Combine this knowledge with a pair of kitchen scales and a calorie logging app/site like MyFitnessPal from Under Armour and you can easily work out your 'calories in' for the day.