EQUIVALENT WEIGHTS TABLE

Equivalent Weights of Various Types of Paper
In Reams of 500 Sheets

Grams Per

EQUIVALENTS Bond & Index Vellum Square

FOR Book Writing Cover Bristol Bristol Tag (g/m2)

	30	12	16	25	20	27	44
	40	16	22	33	27	36	59
	45	18	25	37	30	41	67
BOOK	50	20	27	41	34	45	74
(25 x 38)	60	24	33	49	41	55	89
	70	28	38	57	47	64	104
	80	31	44	65	54	73	118
	100	39	55	82	68	91	148

	33	13	18	27	22	30	49
	41	16	22	33	27	37	60
	51	20	28	42	34	46	75
BOND &	61	24	33	50	41	55	90
WRITING	71	28	39	58	48	65	105
(17 x 22)	81	32	45	67	55	74	120
	91	36	50	75	62	83	135
	102	40	56	83	69	92	150

	91	36	50	75	62	83	135
	110	43	60	90	74	100	162
COVER	119	47	65	97	80	108	176
(20 x 26)	146	58	80	120	99	133	216
	183	72	100	150	123	166	270

	110	43	60	90	74	100	163
INDEX	135	53	74	110	91	122	199
BRISTOL	170	67	93	140	115	156	253
(25 1/2 x 30 1/2)	208	82	114	170	140	189	307

	83	34	47	69	57	77	125
VELLUM	99	39	54	81	67	90	147
BRISTOL	119	47	65	97	80	108	176
(22 1/2 x 28 1/2)	149	57	81	121	100	135	220

	110	43	60	90	74	100	163
	137	54	75	113	92	125	203
TAG	165	65	90	135	111	150	244
(24 x 36)	192	76	105	158	130	175	285
	220	87	120	180	149	200	325
	275	108	150	225	186	250	407

Common weights sold are shown in italics