Quote:
Originally Posted by LongRod Easy answer. It is too expensive. The USA has too much invested in USA weights and measures. We have built a whole nation measured in inches, feet, yards, ounces, pints, quarts gallons so that we can't suddenly change to cm, mm, meters, liters kilograms, etc. If we started manufacturing everything in millimeters, cm, liter, etc, then nothing will fit. |
'Metric countries' also use miles, inches, feet, yards, ounces, pounds and stones,
surprisingly.
Most containers are labelled with both form of measurements.
Quote:
Originally Posted by LongRod 6 millermeter Tools won't work on 2 inch bolts. Trains with wheels axles 2 meters wide will not fit on tracks 7 feet wide. |
I square peg doesn't usually fit into a round hole either, but a 5.08cm or 2.13m peg will.
