length · International · Modern
SI base unit of length. Its definition fixes the speed of light in vacuum at exactly 299,792,458 m/s, with the second defined from the caesium-133 hyperfine frequency.
Converter
length · Russia / Eastern Europe · Medieval–modern
verst
approx.
- Record
- M188
- Definition quality
- Historically standardized
- Conversion mode
- multiplicative
- Calculator
- Approximately calculable
Definition
Later Imperial verst = 500 sazhen = 3500 feet ≈1066.8 m.
Reference value
One verst is understood to be about 1,067 metres.
History & use
Used throughout Imperial Russian geography, transport, and statistics.
Modern use
Retained primarily for historical, educational, or reference use rather than as a current standardized calculator unit.
Did you know?
Old maps and travel accounts can look wildly different until versts are normalized.
Sources & evidence
Source tier Peer-reviewed + historical reference · confidence High
Related measurements
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1 mm = 0.001 m by the SI prefix milli-.
inch
inlength · UK / US · Modern / historical
1 international inch = exactly 0.0254 m.
foot
ftlength · UK / US · Modern / historical
1 international foot = exactly 0.3048 m.
yard
ydlength · UK / US · Modern / historical
1 international yard = exactly 0.9144 m.
mile
milength · UK / US · Modern / historical
1 international mile = exactly 1609.344 m = 1760 yd.