Convert from bucket [UK] to hectare meter

Unit Definition (bucket [UK])
The bucket [UK] is a unit of volume, generally informal. In Britain, a bucket is often understood to be 4 gallons, or 18.182 liters based on the British Imperial gallon.

Unit Definition (hectare meter)
The hectare meter is a unit of volume used to measure the capacity of reservoirs, equal to the volume of water one meter deep covering one hectare. The unit is used mostly in British Commonwealth countries, especially India, where it provides a metric unit comparable to the traditional English acre foot. Reservoir capacities are often stated in millions of hectare meters (Mha·m or MHM). One hectare meter equals exactly 10 000 cubic meters or about 8.1071 acre feet.