Convert mass and weight between metric units (milligrams, grams, kilograms, tonnes) and imperial units (ounces, pounds, stone). All fields update live as you type, so you can read off several conversions at once.
Conversions use the exact international definitions: 1 pound = 453.59237 grams and 1 ounce = 1/16 of a pound. The stone, still used for body weight in the UK, is 14 pounds.
Frequently asked questions
How many grams are in a pound?
Exactly 453.59237 grams, per the international agreement that defines the pound.
What is a stone?
A British unit equal to 14 pounds (about 6.35 kg), still commonly used in the UK for body weight.
Does this work for cooking recipes?
Yes — grams to ounces is a quick way to translate US recipes into metric measurements.
中文说明
在公制（毫克、克、千克、吨）与英制（盎司、磅、英石）质量单位之间换算。输入时所有单位实时联动，一次输入即可读出多种换算结果。
换算采用国际标准精确定义：1 磅 = 453.59237 克，1 盎司 = 1/16 磅；英国仍用于体重表示的"英石"为 14 磅。
常见问题
一磅等于多少克？
精确值是 453.59237 克，这是国际协议对磅的官方定义。
"英石"是什么单位？
英制质量单位，等于 14 磅（约 6.35 千克），英国至今常用它表示体重。
能用于食谱换算吗？
可以，克与盎司的互转正好用于把美式食谱换算成公制用量。