How long is 1 inch, 1 foot, 1 yard? After reading it, I've gained knowledge

Units of length and distance:

meter (meter) ≈ 39 inches (inches) ≈ 3.28 feet (foot), slightly longer than yard (code)

kilometer (km) = 1,000 meters ≈ 2/3 miles (mile)

centimeter (cm) = 1/100 meter ≈ 1/3 inch

inch ≈ 2.54 centimeter

foot (foot) = 12 inches ≈ 0.3048 meter

yard (code) = 3 feet ≈ 0.9144 meter

mile(mile)= 1760 yards ≈ 1.609344 kilometers

furlong(wave)= 220 yards = 1/8 mile ≈ 201.17 meters

fathom (English Xun) = 6 feet = 2 yards (mostly used to measure water depth)

5' 4'' = five feet four inches

Uniforms of area and volume:

four square feet (4 sq. ft.) = 4 square feet

square mile = square mile

acre (acre) = 4,840 sq. yds (square yard) ≈ 6.07 Chinese mu (Chinese mu)

3' 4' = three feet long by four feet wide, or three by four

4 cubic feet = 4 cubic feet

20 cubic centimeters = 20 cubic centimeters