1 kilometre
1 km - Length; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
NIST — SI conversion factors1 mile is about 1.61 times 1 kilometre.
Both rulers start at the same zero and share one linear scale. Artwork keeps its original proportions. A ruler represents the selected distance or a measurement not visible in this view.
1 km - Length; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
NIST — SI conversion factors1.609 km - Length; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
NIST — SI conversion factorsThe international mile is exactly 1,609.344 metres. A kilometre is exactly 1,000 metres.
There’s always another scale
Side by side

Illustrative artwork · not to scale
Illustrative artwork · not to scale
Illustrative artwork · not to scale
Illustrative artwork · not to scaleGot a good eye for scale?