closing line: 32 degrees F) dram, avdp. 1.771 845 2 grams 20 grains section (US) 2.589 988 1 kilometers^2 1 mile^2, statute or 640 acres span 22.86 centimeters 9 inches stere 1 meter^3 1 gram, 1 liter deci d 10-^1 10-^2