Is 157 square inches as big as a Polo field?
It's about one-five-hundred-thousandth as big as a Polo field
The size of a Polo field is about 77,760,000 square inches.
(for field polo) (United States Polo Association rules; unboarded side maximum)
An outdoor polo field must measure 274.32 m in length and 146.304 m to in width for a total playing area of up to 77,760,000 square inches. Polo traces its origins to an Iranian (then Persian) war game from the 5th Century, which was played with as many as 100 players per side.
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