The test, part of a training class for a labor or trade-related job, required participants to convert millimeters to centimeters and meters. The poster answered "50 cm = .50 m," but was told the ...

Length is measured in millimetres (mm), centimetres (cm), metres (m) or kilometres (km). Mass or weight is measured in grams (g) and kilograms (kg). Capacity is measured in ...