For many students, the downfall of learning physics and other sciences comes about when performing conversions.....to help you out, here's a list of some useful (if uncommon) equalities:
Ratio of an igloo's circumference to its diameter: Eskimo Pi
2000 pounds of Chinese soup: Won ton
1 millionth of a mouthwash: 1 microscope
Time between slipping on a peel and smacking the pavement: 1 bananosecond
Weight an evangelist carries with God: 1 billigram
Time it takes to sail 220 yards at 1 nautical mile per hour: Knot-furlong
365.25 days of drinking low-calorie beer because it's less filling: 1 lite year
16.5 feet in the Twilight Zone: 1 Rod Serling
Half of a large intestine: 1 semicolon
1000 aches: 1 megahurtz
Basic unit of laryngitis: 1 hoarsepower
Shortest distance between two jokes: A straight line
453.6 graham crackers: 1 pound cake
1 million-million microphones: 1 megaphone
1 million bicycles: 2 megacycles
365.25 days: 1 unicycle
2000 mockingbirds: two kilomockingbirds
10 cards: 1 decacards
1 kilogram of falling figs: 1 Fig Newton
1000 grams of wet socks: 1 literhosen
1 millionth of a fish: 1 microfiche
1 trillion pins: 1 terrapin
10 rations: 1 decoration
100 rations: 1 C-ration
2 monograms: 1 diagram
8 nickels: 2 paradigms
2.4 statute miles of intravenous surgical tubing at Yale University Hospital: 1 I.V. League