Volume

1 tsp = 1/3 tbsp = 1/6 oz
2 tsp = 2/3 tbsp = 1/3 oz
3 tsp = 1 tbsp     = 1/2 oz
2 tbsp = 1/8 cup = 1 oz
4 tbsp = 1/4 cup = 2 oz
5 1/3 tbsp = 1/3 cup = 2 2/3 oz
8 tbsp = 1/2 cup = 4 oz
16 tbsp = 1 cup = 8 oz
2 cups =1 pint = 1/2 quart = 16 oz
4 cups = 2 pints = 1 quart = 32 oz
16 cups = 8 pints = 4 quarts = 1 gallon

Mass

1 oz = 1/16 lb = 28 grams
4 oz = 1/4 lb   = 113 grams
8 oz = 1/2 lb = 227 grams
16 oz = 1 lb = 454 grams

Temperature

275°F = 140°C
300°F = 150°C
325°F = 165°C
350°F = 180°C
375°F = 190°C
400°F = 200°C
425°F = 220°C
450°F = 230°C
475°F = 240°C

Other and Traditional Conversions

Other

1 stick butter tsp = 1/2 cup = 8 tbsp = 4 oz
1 egg white = 1 oz

Traditional

1 tea cup = a scant 3/4 cup
1 coffee cup = a scant cup
1 wine glass = 1/4 cup
1/2 pinch = amount pinched between thumb and finger
1 kitchen spoon = 1 tsp
1 spoonful = 1 tbsp