Convert from megaliter to pipe [UK]

Unit Definition (megaliter)
The megaliter is a metric unit of volume equal to 1000 cubic meters. Commonly used in reservoir and water system management outside the U.S., the megaliter equals 264 172 U.S. gallons or 0.810 713 acre foot.

Unit Definition (pipe [UK])
The pipe [UK] like the butt, the pipe is a traditional unit of liquid volume generally equal to 2 hogsheads. In Britain it's more complicated, because traditional British hogsheads were of different sizes depending on what they contained. The British pipe was usually used as a wine measure, but even different types of wine had different size pipes.