Unless you have finely calibrated measuring equipment, conversions between U.S. and metric measurements will be inexact. It’s important to convert the measurements for all the ingredients in a recipe to maintain the same proportions as the original.
General Formula for Metric Conversion |
|
|
Ounces to grams |
multiply ounces by 28.35 |
|
Grams to ounces |
multiply grams by 0.035 |
|
Pounds to grams |
multiply pounds by 453.5 |
|
Pounds to kilograms |
multiply pounds by 0.45 |
|
Cups to liters |
multiply cups by 0.24 |
|
Fahrenheit to Celsius |
subtract 32 from Fahrenheit temperature, multiply by 5, then divide by 9 |
|
Celsius to Fahrenheit |
multiply Celsius temperature by 9, divide by 5, then add 32 |
Approximate Metric Equivalents by Volume |
|
|
U.S. |
Metric |
|
1 teaspoon |
5 milliliters |
|
1 tablespoon |
15 milliliters |
|
1⁄3 cup |
60 milliliters |
|
1⁄2 cup |
120 milliliters |
|
1 cup |
230 milliliters |
|
11⁄4 cups |
300 milliliters |
|
11⁄2 cups |
360 milliliters |
|
2 cups |
460 milliliters |
|
21⁄2 cups |
600 milliliters |
|
3 cups |
700 milliliters |
|
4 cups (1 quart) |
0.95 liter |
|
1.06 quarts |
1 liter |
|
4 quarts (1 gallon) |
3.8 liters |
Approximate Metric Equivalents by Weight |
|
|
U.S. |
Metric |
|
1⁄4 ounce |
7 grams |
|
1⁄2 ounce |
14 grams |
|
1 ounce |
28 grams |
|
11⁄4 ounces |
35 grams |
|
11⁄2 ounces |
40 grams |
|
21⁄2 ounces |
70 grams |
|
4 ounces |
112 grams |
|
5 ounces |
140 grams |
|
8 ounces |
228 grams |
|
10 ounces |
280 grams |
|
15 ounces |
425 grams |
|
16 ounces (1 pound) |
454 grams |
Approximate Metric Equivalents by Weight |
|
|
Metric |
U.S. |
|
1 gram |
0.035 ounce |
|
50 grams |
1.75 ounces |
|
100 grams |
3.5 ounces |
|
250 grams |
8.75 ounces |
|
500 grams |
1.1 pounds |
|
1 kilogram |
2.2 pounds |