皮米(符号 pm,英式英语:picometre、美式英语:picometer)是长度单位,1皮米相当于1米的一兆(即一万亿)分之一,即10-12米。有时在原子物理学中称为微微米(micromicron)。
换算关系
- 1 纳米(nm) = 1 000 皮米
- 1 微米(µm) = 1 000 000 皮米
- 1 毫米(mm)= 1 000 000 000 皮米
- 1 米(m) = 1 000 000 000 000 皮米
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