length · Mesopotamia / Levant · Antiquity
One Biblical ordinary cubit (reference reconstruction) is understood to be about 0.4445 metres.
approx.length · Mesopotamia / Levant · Antiquity
length · Mesopotamia / Levant · Antiquity
One Biblical ordinary cubit (reference reconstruction) is understood to be about 0.4445 metres.
approx.length · Mesopotamia / Levant · Antiquity
One Ezekiel long cubit is understood to be about 0.5186 metres.
approx.Source tier Primary text + strong reference · confidence High for distinction; Moderate for metric reconstructions
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.
length · International · Modern
1 km = 1000 m by the SI prefix kilo-.
length · International · Modern
1 cm = 0.01 m by the SI prefix centi-.
length · International · Modern
1 mm = 0.001 m by the SI prefix milli-.
length · UK / US · Modern / historical
1 international inch = exactly 0.0254 m.
length · UK / US · Modern / historical
1 international foot = exactly 0.3048 m.
length · UK / US · Modern / historical
1 international yard = exactly 0.9144 m.
length · UK / US · Modern / historical
1 international mile = exactly 1609.344 m = 1760 yd.