换算关系如下： $$1\; cubic\; inch = 1/46,656 cubic\; yard = 1/1,728 cubic\; foot$$ $$1\; cubic\; foot = 1/27 cubic\; yard$$ $$1\; cubic\; yard (basic\; unit\; of\; volume)$$ $$1\; U.S.\; fluid\; ounce = 1/128\; U.S.\; gallon = 1/16\; U.S. pint$$ $$1\; British\; imperial\; fluid\; ounce = 1/160\; imperial\; gallon = 1/20 imperial\; pint$$ $$1\; pint = 1/8\; gallon = 1/2\; quart$$ $$1\; quart = 1/4\; gallon$$ $$1\; U.S.\; gallon\; (basic\; unit\; of\; liquid\; capacity\; in\; the\; United\; States) = 231 cubic\; inches$$ $$1\; imperial\; gallon (basic\; unit\; of\; liquid\; capacity\; in\; some\; Commonwealth\; nations) = 277.4\; cubic\; inches$$ $$1\; dry\; pint = 1/64 \; bushel\; = 1/2\; dry\; quart$$ $$1\; dry\; quart = 1/32\; bushel\; = 1/8\; peck$$ $$1\; peck = 1/4\; bushel$$ $$1\; U.S.\; bushel\; (basic\; unit\; of\; dry\; capacity\; in\; the\; United\; States) = 2,150.4\; cubic\; inches$$ $$1\; imperial\; bushel\; (basic\; unit\; of\; dry\; capacity\; in\; some\; Commonwealth\; nations) = 2,219.4\; cubic\; inches$$