Use these charts as a guideline. In the U.S., recipe ingredient lists are usually based on volume, rather than weight. Baking recipes (breads, muffins, cakes) do require precision, so exact conversions are necessary.
U.S.: ¼ teaspoon
METRIC: 1 milliliter
U.S.: ½ teaspoon
METRIC: 2 milliliters
U.S.: 1 teaspoon
METRIC: 5 milliliters
U.S.: 1 fluid ounce (2 tablespoons)
METRIC: 30 milliliters
U.S.: 2 fluid ounces (¼ cup)
METRIC: 60 milliliters
U.S.: 8 fluid ounces (1 cup)
METRIC: 240 milliliters
U.S.: 16 fluid ounces (1 pint)
METRIC: 480 milliliters
U.S.: 32 fluid ounces (1 quart)
METRIC: 950 milliliters (0.95 liter)
U.S.: 128 fluid ounces (1 gallon)
METRIC: 3.75 liters
U.S.: ¼ cup
METRIC: 30 grams
U.S.: ½ cup
METRIC: 60 grams
U.S.: ¾ cup
METRIC: 90 grams
U.S.: 1 cup
METRIC: 120 grams
DEGREES FAHRENHEIT: 325
DEGREES CELSIUS: 163
DEGREES FAHRENHEIT: 350
DEGREES CELSIUS: 177
DEGREES FAHRENHEIT: 375
DEGREES CELSIUS: 191
DEGREES FAHRENHEIT: 400
DEGREES CELSIUS: 204
DEGREES FAHRENHEIT: 425
DEGREES CELSIUS: 218
DEGREES FAHRENHEIT: 450
DEGREES CELSIUS: 232
DEGREES FAHRENHEIT: 475
DEGREES CELSIUS: 246