IMPERIAL TO METRIC MEASURE 1 inch = 2·54 centim. 1 foot = 30·48 „ 1 yard = 91·44 „ 1 mile = 1609 metres. 1 sq. yd. = 0·836 sq. metre. 1 sq. rod = 25·3 „ 1 sq. rood = 1011 „ 1 acre = 0·404 hectare. 1 cubic inch water 252-1/4 grs. = 16·38 c.c. or grammes. 1 „ foot „ 62-1/3 lb. = 28 c. decim. or kilos. 1 grain = 6·48 centigr. 1 ounce = 28·35 grammes. 1 lb. = 453·59 „ 1 gallon = 4·536 litres. 1 bushel = 36-1/3 „ 1 quarter = 2·91 hectol. 1 ton = 1016 kilos. 1 hectolitre = 2-2/3 bushels. 3 „ = 1·03 quarter. 1 „ to the hectare = 1-1/9 bushel to 1 acre. 1000 kilos to the hectare = 0·4 ton to 1 acre. 1 franc a hectolitre = 3·6 pence a bushel. 1 franc 100 kilos = 22-1/2 pence a quarter. 98 pence a ton. ------------------------------------------------------------------------ INDEX Acre, 72, 74, 78, 87 Acreme, 81 Ale-gallon, 117 Apothecaries’ weight, 140 Arshīn, 215 As, 38, 94 Austria, W. & M., 208, 220 Averdepois, 93, 99 Bath, 239 Bereh, 27, 238 Bovate, 80, 89 Bread-weight, 128, 138 Burma and the Straits, W. & M., 173 Bushel, old and of U.S., 96; Winchester, 119; Imperial, 124 Canada and Mauritius, W. & M., 173 Carat, 35, 245; v. Qirát Carucate, 82, 89 Cask-measures, 116 Cental, 45, 109 Chain, 64, 73 Chaldron, 120, 122 Channel Islands, W. & M., 157 Clove, 107, 110, 242 Coal-measure, 122 Corn-measure, 122 Cubit, natural, 1; Egyptian common, or Olympic, 2, 14; Egyptian royal, 18; Great Assyrian or Persian, 23; Beládi, 25; Talmudic, 27, 238; Black, Al-Mamūn’s, 28; Hashími, 214 Customs of Lancaster, 88 Decimal system, 5, 182, 188 Denmark, W. & M., 221 Density, measures of, 198; of water, 146 Digit, 1, 4 Dirhem, 45, 222 Drachm, 105, 135 Drachma, 41, 43, 221 Dram, 103 Duodecimal system, 5 Egypt, modern, W. & M., 67, 213, 220, 235 Ell, 62, 202 England, linear measures, 58; land-measures, 65; wine-measures, 114; corn-measures, 118; commercial weights, 93; mint-weights, 127, 250; money, 174 Epha, 239 Fathom, Olympic, 6, 15 Firkin, 116 Foot, origin of, 4; Olympic, 4; Egyptian royal, 12; Assyrian, 25; Beládi, 26; Burgos, 26, 211; Black, 29; Roman, 18; English, 49, 60; Rhineland, 52; Hanseatic, 207; Amsterdam, 207; French, 259; French reduced, 159, 261 Fother, 111, 252 Fotmal, 112 France, W. & M., Southern, 253; Northern, 259; Metric, 271 Furlong, 63, 81 Gallon, Wine, 114; Corn, 119; Imperial, 123 Germany, W. & M., 206, 219, 225, 228 Gill, 125 Grain, 103, 245, 249 Greece, ancient, W. & M., 17, 68; Coin-weights, 43 Guernsey, W. & M., 157; Currency, 183 Hand, 61