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All About Calories

Calories are the units of energy contained in the food and drink we consume. Calories are either burned to produce energy or, if excess to requirements, stored as fat.

Calories and Kilocalories (kcal)

It's easy to get confused about calories and kilocalories since, in a nutrition context, values are actually given for the number of kilocalories in a food, but referred to simply as calories.

In scientific terms:

1000 calories = 1 kilocalorie = 1 kcal = the energy it takes to raise the temperature of 1kg of water by 1°C.

In nutrition terms:

ie. What you'll find on food packaging, calories = kilocalories and are used interchangeably.

In some instances food energy is measured in kilojoules - mostly by the scientific community - though some food packaging also gives kilojoule (kJ) values. 1 kilocalorie = 4.2 kilojoules.

Counting Calories

Bread, Biscuits and Cakes

Calorie Count

Grams of Fat

Calories in a bagel (85g)

216

1.4

Calories in a baguette, French (150g)

360

1.8

Calories in a Cadbury's Flake Cake (1 std bar/34g)

180

10.4

Calories in a biscuit (15g)

74

3.3

Calories in a Danish pastry (67g)

287

17.4

Calories in a doughnut (49g)

140

2.0

Calories in a hot cross bun (70g)

205

3.9

Calories in a jaffa cake (12g)

46

1.0

Calories in a low fat biscuit (14g)

65

2.3

Calories in a scone (70g)

225

7.6

Calories in a white, crusty roll (50g)

140

1.2

Calories in bread, brown (1 med slice)

74

0.7

Calories in bread, brown, Weight Watchers (1 slice/12.2g)

28

0.3

Calories in bread, granary (1 slice/25g)

59

0.7

Calories in bread, pitta (1 pitta/25g)

147

1.1

Calories in bread, white (1 slice/37g)

84

0.6

Calories in bread, wholemeal (1 slice/36g)

79

1.0

Calories in toast (1 med slice/33g)

88

0.6

Fast Food

Calorie Count

Grams of Fat

Calories in a Big Mac (215g)

492

23.0

Calories in a cheeseburger

379

18.9

Calories in a hamburger (108g)

254

7.7

Calories in a Quarter Pounder with cheese (206g)

515

26.8

Calories in Kentucky Fried Chicken (67g)

195

12.0

Calories in KFC fries (100g)

294

14.8

Calories in McDonalds fries (78g)

207

9.0

Calories in Pizza Deluxe (1 slice/66g)

171

6.7

Calories in Pizza (½ pizza/135g)

263

4.9

Calories in Potato Wedges (135g)

279

13.0

Sandwiches and Takeaway Food

Calorie Count

Grams of Fat

Calories in a bacon and egg, bacon and tomato, sausage and egg triple sandwich pack (1 pack/256g)

778

53.2

Calories in a chicken, ham and prawn sandwich pack (1 pack/247g)

349

5.2

Calories in a chicken fajita wrap (1 pack/185g)

263

4.1

Calories in a chicken salad sandwich (1 pack/195g)

257

4.9

Calories in a ham and cheese toasted sandwich (1 pack/160g)

429

20.3

Calories in a ham and Swiss cheese panini (1 panini/223g)

557

26.1

Calories in a spicy Mexican flatbread (1 pack/184g)

282

5.0

Calories in a salmon, cucumber and mayo sandwich pack (1 pack/219g)

530

26.3

Calories in a tuna mayonnaise baguette (1 pack/230g)

535

22.9

Calories in an egg mayonnaise sandwich (1 pack)

253

6.0

 

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