true.
The Gimli Glider incident. It was found that the refueling was done in imperial units, while the aircraft's gauges were in metric.
A gallon is certainly not metric. It is imperial.
Imperial.
Acre is an imperial measurment. Hectacre would be an analogous metric measurment.
Metric tons can't be converted to imperial gallons. Metric tons measure mass, while imperial gallons measure volume.
There is no such thing as a metric gallon. The metric measurement is litres. There are 4.54609188 litres to an imperial gallon.
A tonne is a metric measurement.
Imperial and metric systems of measurement can be interpreted by a metric conversion table and chart. The measuring scheme is available from various online companies like French Property Company.
imperial - Elvinusa
English and Metric
The opposing systems are imperial and metric, not customary. But, meters are metric.
I'm guessing by customary, you mean imperial. if so inches are customary/imperial