Calories & Weight Loss

Half an avocado (about 70–100 g) typically contains 120–160 calories, with larger halves landing higher.

One small corn tortilla (28 g) has about 62 calories; a typical 8″ flour tortilla averages 130, and a large 10″ flour tortilla lands near 218.

1.5 hours of weightlifting burns roughly 330–800 calories, varying with body weight and how hard you train.

In 1.5 hours of swimming, most adults burn about 500–1,500 calories, from easy laps (~6 METs) to vigorous sets (~9.8 METs), weight-dependent.

One large whole egg has about 72 calories; small to jumbo eggs span roughly 54–90 calories before any cooking fat.

A whole watermelon ranges from about 300–1,250 calories, depending on size; the math uses ~30 kcal per 100 g of edible flesh (about 46% of weight).

One walnut kernel (2 halves, 4 g) contains 26 calories, based on USDA data for 14 halves per 28 g.

One level teaspoon (about 4 grams) of granulated sugar has about 16 calories, so 1 tsp of sugar adds a quick 16 kcal to drinks or recipes.

One teaspoon of honey (about 7 g) has ~21 calories, based on USDA values of ~304 kcal per 100 g.

One medium raw tomato (123 g) has about 22 calories; per 100 g, tomatoes provide about 18 calories.