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 (m)    = 1 000 000 000 000 皮米


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