1 yottametre

Look up yottametre in Wiktionary, the free dictionary.

The yottametre or yottameter in the US ( SI symbol: Ym) is a unit of length in the metric system equal to 10²⁴ metres^[1]

To help compare different orders of magnitude, this page lists distances starting at 1 Ym (10²⁴ m or 105.702 million light years).

Distances shorter than 1 Ym

1.2 Ym — 127 million light years — Distance to the closest observed gamma ray burst GRB 980425
1.3 Ym — 137 million light years — Distance to the Centaurus Cluster of galaxies, the nearest large supercluster
1.9 Ym — 201 million light years — Diameter of the Local Supercluster
2.8 Ym — 296 million light years — Distance to the Coma Cluster
3.2 Ym — 338 million light years — Distance to the Stephan's Quintet
4.7 Ym — 496 million light years — Length of the CfA2 Great Wall, one of the largest observed superstructures in the Universe
6.1 Ym — 645 million light years — Distance to the Shapley Supercluster
9.5 Ym — 996 million light years — Diameter of the Eridanus Supervoid
1 yottametre - 1,000,000,000,000,000,000,000,000 or 10^24 metres

Distances longer than 10 Ym

References

↑ "SI Brochure: The International System of Units (SI)". International Committee for Weights and Measures. Organisation Intergouvernementale de la Convention du Mètre. Retrieved 11 October 2014.

SI units of length

From smallest to largest (left to right). Commonly used units shown in bold italics.

yoctometre (1×10⁻²⁴ m) zeptometre attometre femtometre picometre nanometre micrometre millimetre centimetre decimetre metre (m) decametre hectometre kilometre megametre gigametre terametre petametre exametre zettametre yottametre (1×10²⁴ m)

Orders of magnitude for length by powers of 10

One metre (10⁰) and shorter	< −12 −12 −11 −10 −9 −8 −7 −6 −5 −4 −3 −2 −1 0

Longer than one metre	1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 <

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1 yottametre

References

See also