Paper Basis Weight

BASIS WEIGHT OF SOME PAPERS

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In reams of 500 sheets, Basis weight in Bold type

Grade of Paper	Book	Bond	Cover	Bristol	Index	News-print	TAG	Grammage	CALIPER
	25 X 38	17 X 22	20 X 26	221/2X281/2	25 1/2 X 30 1/2	24 X 36	24 X 36	g/m2	Inch	Point	mm
Book	30	12	16	20	25	27	27	44
	40	16	22	27	33	36	36	59	0.0032	3.2	0.081
	45	18	25	30	37	41	41	67	0.0036	3.6	0.092
	50	20	27	34	41	45	45	74	0.0038	3.8	0.097
	60	24	33	41	49	55	55	89	0.0048	4.8	0.120
	70	28	38	47	57	64	64	104	0.0058	5.8	0.147
	80	31	44	54	65	73	73	118	0.0061	6.1	0.155
	90	35	49	61	74	82	82	133	0.0062	6.2	0.157
	100	39	55	68	82	91	91	148	0.0072	7.2	0.183
	120	47	66	81	98	109	109	178	0.0078	7.8	0.198
Bond	33	13	18	22	27	30	30	49
	41	16	22	27	33	37	37	61	0.0032	3.2	0.081
	51	20	28	34	42	46	46	75	0.0038	3.8	0.097
	61	24	33	41	50	55	56	90	0.0048	4.8	0.120
	71	28	39	48	58	65	64	105	0.0058	5.8	0.147
	81	32	45	55	67	74	74	120
	91	36	50	62	75	83	83	135	0.0068	6.8	0.173
	102	40	56	69	83	92	93	151	0.0073	7.3	0.185
Cover	91	36	50	62	75	83	82	135	00.068	6.8	0.173
	110	43	60	74	90	100	100	163	0.0074	7.4	0.188
	119	47	65	80	97	108	108	176	0.0078	7.8	0.198
	146	58	80	99	120	134	134	216	0.0092	9.2	0.234
	164	65	90	111	135	149	149	243	0.0095	9.5	0.241
	183	72	100	123	150	166	166	271	0.0110	11	0.289
	201	79	110	136	165	183	183	298
	238	94	130	160	194	216	216	352
	292	115	160	197	239	266	266	433
Vellum Bristol	99	39	54	67	81	90	90	147
	119	47	65	80	97	108	108	176
	148	58	81	100	121	135	135	219
	178	70	97	120	146	162	162	263
	207	82	114	140	170	189	189	307	0.011	11	0.275
	237	93	130	160	194	216	216	351
Index	110	43	60	74	90	100	100	163	0.0074	7.4	0.188
	135	53	74	91	110	122	122	203	0.0085	8.5	0.216
	170	67	93	115	140	156	156	252	0.0100	10	0250
	208	82	114	140	170	189	186	328	0.0140	14	0.356
	269	106	147	181	220	244	244	398
News-print	24	10	13	16	20	22	22	36
	31	12	17	21	25	28	28	46
	33	13	18	22	27	30	30	49
	35	14	19	24	29	32	32	52
	37	15	20	25	31	34	34	55
	39	15	21	26	32	35	35	57
TAG	110	43	60	74	90	100	100	163	0.0074	7.4	0.188
	137	54	75	93	113	125	125	203	0.0090	9.0	0.229
	165	65	90	111	135	150	150	244	0.0095	9.5	0.241
	192	76	105	130	158	175	175	284	0.0130	13	0.330
	220	87	120	148	180	200	200	326	0.0150	15	0.380
	275	109	151	186	225	250	250	407
	330	130	181	227	270	300	300	488

To use the Weight Conversion tool, please select a Type of Paper from the pull down menu, then enter a value in pounds and hit calculate. To reverse the calculation simply select "gsm²->lbs" and enter a gsm value.

lbs -> g/m²	g/m²->lbs

Type of Paper
lbs
Grams/Square meter

Point to Paper Weight Conversion (This is true for typical uncoated paper and assume 12 Pt. thick is equivalent to 270 gsm)

			convert pt	to gsm



				to mm