Labels:text | screenshot | black and white | font | white | number OCR: Some non-SI Units in Use in N. America CAPACITY Unit Definition Approx barrel (bb1) 36 gal 163.7 L SI Value barrel (US) 159.0 L LENGTH bushel (bu) 42 US gal 4 pecks 36.37 L nautical mile air & sea peck 2 gal 9.092 L measure 1.852 km gallon (gal) 4.546 L furlong 220 yd 201.2 m gallon (US) 231 cu in 3.785 L mile 1760 yd 1.609 km quart (qt) 1/4 gal 1.137 L arpent 180 Paris feet 58.47 m pint (pt) 1/2 qt 568.3 ml yard 3 feet 0.9144 m MISCELLANEOUS foot 12 inches 0.3048 m British inch 1/36 yard 25.4 mm Thermal Unit (Btu) 1055 J AREA carat weight for 4047 m< precious stones 200 mg acre 4840 sq miles MASS Fahrenheit F= 9/5 *C + 32 Avoirdupois horsepower 550 ft lb/sec 745.7 ₩ long ton 2240 1b 1.016 t knot 1 naut mi/hr 0.5144 short ton 2000 1b 0.907 t m/s pound 16 ounces 0.453 kg based on the length of a minute of arc of ounce 1/12 ancient a great circle; differs because the Earth is Roman pound 28.35 g not a perfect sphere. Troy This is the barrel used in the oil industry, pound 12 oz 0.373 kg The amount of heat required to raise the ounce 20 dwt 31.10 g temperature of a pund of water one pennyweight 248 1.555 8 degree Fahrenheit near 39.2 F
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