Handy Math >  Metric Units > Roll Diameters and Weights for Rolls with 3-inch (7.62 cm) Cores > Diameters Less than 39.37 cm

Roll Diameters and Weights for Rolls with 3-inch (7.62 cm) Cores Diameters Less Than 39.37 cm

Complimentary Slide Rule ca. 1976

         THE FOLLOWING APPLIES TO
3 INCH (7.62 cm) CORES / LAYFLAT TUBING AND CENTERFOLD

                   (FOR SINGLE WOUND SHEETING DOUBLE THE METRES VALUES)

Diameters Less than 39.37 cm

	25.40 cm	26.67 cm	27.94 cm	29.21 cm	30.48 cm	31.75 cm	33.02 cm	34.29 cm	35.56 cm	36.83 cm	38.10 cm
17.78 µm	1248.77	1395.07	1548.08	1708.40	1875.74	2050.39	2232.05	2421.03	2616.71	2820.01	3030.02
19.05 µm	1165.56	1301.80	1445.06	1594.41	1750.77	1913.84	2083.31	2259.48	2442.36	2631.95	2827.93
20.32 µm	1092.71	1220.42	1354.53	1494.74	1641.35	1794.05	1953.16	2118.36	2289.66	2467.36	2651.15
21.59 µm	1028.40	1148.79	1274.98	1406.96	1544.73	1688.59	1838.25	1993.70	2154.94	2322.27	2495.40
22.86 µm	971.40	1085.09	1203.96	1328.62	1459.08	1594.71	1736.14	1883.05	2035.45	2193.34	2356.71
24.13 µm	920.19	1027.79	1140.87	1258.82	1382.27	1510.89	1644.70	1783.69	1928.16	2077.82	2232.66
25.40 µm	874.17	976.58	1083.56	1196.04	1313.08	1435.30	1562.40	1694.69	1831.85	1973.88	2121.10
27.94 µm	794.61	887.58	985.11	1087.22	1193.60	1304.85	1420.37	1540.46	1665.12	1794.36	1928.16
30.23 µm	734.57	820.52	910.74	1004.93	1103.38	1206.09	1313.08	1424.03	1539.24	1658.72	1782.47
30.48 µm	728.47	813.82	903.12	996.70	1094.23	1196.04	1302.11	1412.14	1526.44	1645.01	1767.54
31.75 µm	699.52	781.20	866.85	956.77	1050.34	1148.18	1249.98	1355.75	1465.48	1579.17	1696.82
33.02 µm	672.39	751.03	833.63	919.89	1010.11	1103.99	1201.83	1303.63	1409.09	1518.51	1631.59
34.29 µm	647.70	723.29	802.84	885.75	972.62	1063.14	1157.33	1255.17	1356.97	1462.13	1571.24
35.56 µm	624.54	697.38	774.19	854.35	937.87	1025.35	1116.18	1210.36	1308.51	1410.00	1515.16
38.10 µm	582.78	651.05	722.38	797.36	875.39	956.77	1041.50	1129.89	1221.33	1315.82	1413.97
40.64 µm	546.51	610.21	677.27	747.37	820.83	897.03	976.58	1059.18	1144.83	1233.83	1325.58
43.18 µm	514.20	574.24	637.34	703.48	772.36	844.30	918.97	996.70	1077.47	1160.98	1247.55
44.45 µm	499.57	558.09	619.35	683.36	750.42	820.22	892.76	968.35	1046.68	1128.06	1211.88
45.72 µm	485.55	542.54	601.98	664.46	729.39	797.36	868.07	941.53	1017.73	1096.67	1178.36
48.26 µm	460.25	513.89	570.28	629.41	690.98	755.29	822.35	891.84	964.08	1038.76	1116.48
49.53 µm	448.36	500.79	555.65	613.26	673.30	736.09	801.32	868.98	939.39	1012.24	1087.83
50.80 µm	437.08	488.29	541.93	598.02	656.54	717.50	781.20	847.34	915.92	986.94	1060.40
57.15 µm	388.62	434.04	481.58	531.57	583.69	637.95	694.33	753.16	814.12	877.21	942.75
58.42 µm	380.09	424.59	471.22	519.99	570.89	623.93	679.40	736.70	796.44	858.32	922.32
59.69 µm	371.86	415.44	461.16	509.02	558.70	610.82	664.77	721.16	779.37	840.03	902.51
63.50 µm	349.61	390.45	433.43	478.23	525.17	574.24	624.84	677.88	732.74	789.43	848.56
69.85 µm	317.91	355.09	394.11	434.95	477.62	521.82	568.15	616.31	665.99	717.80	771.14
71.12 µm	312.12	348.69	387.10	427.02	469.09	512.67	558.09	605.33	654.10	705.00	757.43
73.66 µm	301.45	336.80	373.68	412.39	452.93	495.00	538.89	584.30	631.55	680.62	731.52
76.20 µm	291.39	325.53	361.19	398.68	437.69	478.54	520.90	564.79	610.51	658.06	707.14
82.55 µm	269.14	300.53	333.45	367.89	404.16	441.66	480.67	521.51	563.58	607.47	652.58
91.44 µm	242.93	271.27	301.14	332.23	364.85	398.68	434.04	470.61	508.71	548.34	589.18
95.25 µm	233.17	260.30	288.95	318.82	350.22	382.83	416.66	452.02	488.59	526.39	565.71
96.52 µm	230.12	256.95	285.29	314.86	345.64	377.65	411.18	445.92	482.19	519.38	558.09
99.06 µm	224.03	250.24	277.98	306.63	336.80	367.89	400.51	434.64	469.70	506.27	543.76
101.60 µm	218.54	244.14	270.97	299.01	328.27	358.75	390.75	423.67	457.81	493.47	530.35
107.95 µm	205.74	229.82	255.12	281.33	309.07	337.72	367.59	398.68	430.99	464.52	498.96
114.30 µm	194.16	217.02	240.79	265.79	291.69	318.82	347.17	376.73	407.21	438.61	471.22
120.65 µm	184.10	205.44	228.30	251.76	276.45	302.06	328.88	356.62	385.57	415.44	446.53
121.92 µm	182.27	203.30	225.86	249.02	273.71	299.01	325.53	352.96	381.61	411.18	441.96
124.46 µm	178.31	199.34	221.28	244.14	267.92	292.91	318.82	345.95	373.68	402.95	432.82
127.00 µm	174.96	195.38	216.71	239.27	262.74	287.12	312.42	338.94	366.37	394.72	424.28
133.35 µm	166.42	185.93	206.35	227.69	250.24	273.41	297.48	322.78	349.00	376.12	403.86
139.70 µm	158.80	177.39	196.90	217.32	238.66	260.91	284.07	308.15	333.15	358.75	385.57
146.05 µm	152.10	169.77	188.37	207.87	228.30	249.63	271.88	294.74	318.52	343.20	368.81
147.32 µm	150.88	168.25	186.84	206.04	226.47	247.50	269.44	292.30	315.77	340.46	365.76
149.86 µm	148.13	165.51	183.79	202.69	222.50	243.23	264.87	287.12	310.59	334.67	359.36
152.40 µm	145.69	162.76	180.75	199.34	218.85	239.27	260.30	282.55	305.41	328.88	353.57
177.80 µm	124.97	139.60	154.84	170.99	187.45	205.13	223.11	242.01	261.82	281.94	302.97
203.20 µm	109.42	121.92	135.33	149.35	164.29	179.53	195.38	211.84	228.90	246.89	265.18
228.60 µm	97.23	108.51	120.40	132.89	146.00	159.41	173.74	188.37	203.61	219.46	235.61
254.00 µm	87.48	97.54	108.51	119.48	131.37	143.56	156.36	169.47	183.18	197.51	212.14

 Note: µm = micrometer (micron)

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