TIL that in 1790, Thomas Jefferson proposed a decimal-based system for weight, length, and volume that predates the metric system. If it had been adopted, 1 mile would equal 10,000 ft, an inch would be divisible by 10, and 1 cubic foot would equal exactly 1,000 ounces.

https://en.wikipedia.org/wiki/Plan_for_Establishing_Uniformity_in_the_Coinage,_Weights,_and_Measures_of_the_United_States TIL that in 1790, Thomas Jefferson proposed a decimal-based system for weight, length, and volume that predates the metric system. If it had been adopted, 1 mile would equal 10,000 ft, an inch would be divisible by 10, and 1 cubic foot would equal exactly 1,000 ounces.