千分比(per mil或per mill,符号为‰ ,Unicode:U+2030)是一种表达比例、比率或分数数值的方法,使用1000作为分母。
‰ | |
---|---|
千分号 | |
例如:
- 1‰ = 10-3 = 1/1000 = 0.001 = 0.1%
- 82‰,即表示千分之82,或82/1000或0.082或8.2%。
- 5‰ = 5×10-3 = 5/1000 = 0.005 = 0.5%
千分比的英文名称是permil、permille、per mil、per mill或promille。
应用
例子:
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参见
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