<Tr> <Td> Bu </Td> <Td> 分 </Td> <Td> ​ ⁄ </Td> <Td> 1 / 330 m </Td> <Td> 3.030 mm </Td> <Td> 125 / 37,719 yd </Td> <Td> 0.1193 in </Td> </Tr> <Tr> <Td> Sun </Td> <Td> 寸 </Td> <Td> ​ ⁄ </Td> <Td> 1 / 33 m </Td> <Td> 3.030 cm </Td> <Td> 1250 / 37,719 yd </Td> <Td> 1.193 in </Td> </Tr> <Tr> <Td> Shaku </Td> <Td> 尺 </Td> <Td> 1 </Td> <Td> 10 / 33 m </Td> <Td> 30.30 cm </Td> <Td> 12,500 / 37,719 yd </Td> <Td> 11.93 in </Td> </Tr> <Tr> <Td> Ken </Td> <Td> 間 </Td> <Td> 6 </Td> <Td> 60 / 33 m </Td> <Td> 1.818 m </Td> <Td> 25,000 / 12,573 yd </Td> <Td> 5 ft 11.6 in </Td> </Tr>

What is the unit of measurement for volume in metric system