SAIL CLOTH WEIGHT CONVERSION TABLE (approx.)

ENGLISH
 
(ozs. per sq. yard
36" x 36")		METRIC
 
(grams per
sq. metre)		AMERICAN *
 
(Traditional sailmakers
ozs. per yard 36" x 28½")
1 34 ¾
1½ 51 1¼
2 68 1½
2½ 85 2
3 102 2¼
3½ 119  2¾
4 136 3¼
4½ 152 3½
5 170 4
5½ 186 4¼
6 203 4¾
6½ 220 5¼
7 237 5½
7½ 254 6
8 271 6¼
8½ 288 6¾
9 305 7
9½ 322 7½
10 339 8
11 373 8¾
11½ 385 9
12 407 9½
12½ 430 10
13 440 10¼
14 475 11
15 508 12
16 542 12¾
17 576 13½
    ( * to nearest ¼ oz. per yard 28½" )
For more information regarding sailcloth weight and sail size see the
Fabrication Application Chart for Challenge Sailcloth at www.sailcloth.co.uk