Is 983.530 thousands of circular mills as big as a Hockey rink?
It's about 0.0000004 times as big as a Hockey rink
The size of a Hockey rink is about 2,993,499,810 thousands of circular mills.
(per NHL specification)
Per National Hockey League Official Rules, a hockey rink should measure 60.96 m long by 25.908 m wide with a corner arc radius of 8.5344 m, for a total area of about 2,993,499,810 thousands of circular mills. Ice hockey is believed to have developed from field hockey after players began holding games on ice rinks, which had been traditionally used for the sport of curling.
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