The Customary system is made to fit men. My thumb is an inch wide. My foot is approximately a foot long. From the tip of my nose to the tip of my finger is a yard. A pace is 30 inches, 2.5 feet. 1000 double paces is 5000 feet, the Roman mile, which is approximately a modern mile. A league (3 miles) is how far a man walks in an hour. Tolkien and Cicero measured distance in miles. It is a grounded system with a long history.
If you are grinding through a bunch of calculations on paper, metric is good. That's where the base-10 comes in handy. Other than that, metric is just worse.
The Customary system is made to fit men. My thumb is an inch wide. My foot is approximately a foot long. From the tip of my nose to the tip of my finger is a yard. A pace is 30 inches, 2.5 feet. 1000 double paces is 5000 feet, the Roman mile, which is approximately a modern mile. A league (3 miles) is how far a man walks in an hour. Tolkien and Cicero measured distance in miles. It is a grounded system with a long history.
If you are grinding through a bunch of calculations on paper, metric is good. That's where the base-10 comes in handy. Other than that, metric is just worse.
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