1 metric chǐ | 100 metric fēns | 10 metric cùns | 1 meter | 10 dm (decimeters) | 100 cm (centimeters) | 1000 mm (millimeters) | 3.281 feet | 39.37 inches | 3' 3.37"

1 metric fēn | 0.01 metric chǐs 1 metric cùn | 0.1 metric chǐs 1 m | 1 metric chǐ 1 dm | 0.1 metric chǐs 1 cm | 0.01 metric chǐs 1 mm | 0.001 metric chǐs 1 ft | 0.3048 metric chǐs 1 in | 0.0254 metric chǐs

length

metric | Chinese | Chinese metric

Light travel time t in vacuum from t = x/c: | 3.3 ns (nanoseconds)

Light travel time t in an optical fiber t = 1.48x/c: | 4.9 ns (nanoseconds)

≈ (1 to 1.4) × length of an average human step ( 68.96 to 97.44 cm )

≈ (1 to 3) × length of a stride on an elliptical trainer ( 12 to 22 in )