UK Universal Beams (UB): Sizes & Weights

British universal beams to BS EN 10365, 127x76 through 1016x305. 153 sizes from the UK catalog, in kg/m with lb/ft alongside. Deeper reading: UK UB & UC Sizes Chart.

127x76 UB series

Designation	kg/m	lb/ft	Area (cm²)
127x76x13 UB	13	8.74	16.6

152x89 UB series

Designation	kg/m	lb/ft	Area (cm²)
152x89x16 UB	16	10.75	20.4

178x102 UB series

Designation	kg/m	lb/ft	Area (cm²)
178x102x19 UB	19	12.77	24.2

203x102 UB series

Designation	kg/m	lb/ft	Area (cm²)
203x102x23 UB	23.1	15.52	29.4

203x133 UB series

Designation	kg/m	lb/ft	Area (cm²)
203x133x25 UB	25.1	16.87	32
203x133x30 UB	30	20.16	38.2

254x102 UB series

Designation	kg/m	lb/ft	Area (cm²)
254x102x22 UB	22	14.78	28
254x102x25 UB	25.2	16.93	32.1
254x102x28 UB	28.3	19.02	36.1

254x146 UB series

Designation	kg/m	lb/ft	Area (cm²)
254x146x31 UB	31.1	20.9	39.6
254x146x37 UB	37	24.86	47.1
254x146x43 UB	43	28.89	54.8

305x102 UB series

Designation	kg/m	lb/ft	Area (cm²)
305x102x25 UB	24.8	16.66	31.6
305x102x28 UB	28.2	18.95	35.9
305x102x33 UB	32.8	22.04	41.8

305x127 UB series

Designation	kg/m	lb/ft	Area (cm²)
305x127x37 UB	37	24.86	47.1
305x127x42 UB	41.9	28.16	53.4
305x127x48 UB	48.1	32.32	61.3

305x165 UB series

Designation	kg/m	lb/ft	Area (cm²)
305x165x40 UB	40.3	27.08	51.3
305x165x46 UB	46.1	30.98	58.7
305x165x54 UB	54	36.29	68.8

356x127 UB series

Designation	kg/m	lb/ft	Area (cm²)
356x127x33 UB	33.1	22.24	42.2
356x127x39 UB	39.1	26.27	49.8

356x171 UB series

Designation	kg/m	lb/ft	Area (cm²)
356x171x45 UB	45	30.24	57.3
356x171x51 UB	51	34.27	65
356x171x57 UB	57	38.3	72.6
356x171x67 UB	67.1	45.09	85.5

406x140 UB series

Designation	kg/m	lb/ft	Area (cm²)
406x140x39 UB	39	26.21	49.7
406x140x46 UB	46	30.91	58.6
406x140x53 UB	53.3	35.82	67.9

406x178 UB series

Designation	kg/m	lb/ft	Area (cm²)
406x178x54 UB	54.1	36.35	68.9
406x178x60 UB	60.1	40.39	76.6
406x178x67 UB	67.1	45.09	85.5
406x178x74 UB	74.2	49.86	94.5
406x178x85 UB	85	57.12	108.3

410x260 UB series

Designation	kg/m	lb/ft	Area (cm²)
410x260x100 UB	100	67.2	127.4
410x260x114 UB	114	76.6	145.2
410x260x132 UB	132	88.7	168.2
410x260x149 UB	149	100.12	189.8

457x152 UB series

Designation	kg/m	lb/ft	Area (cm²)
457x152x52 UB	52.3	35.14	66.6
457x152x60 UB	59.8	40.18	76.2
457x152x67 UB	67.2	45.16	85.6
457x152x74 UB	74.2	49.86	94.5
457x152x82 UB	82.1	55.17	104.6

457x191 UB series

Designation	kg/m	lb/ft	Area (cm²)
457x191x67 UB	67.1	45.09	85.5
457x191x74 UB	74.3	49.93	94.6
457x191x82 UB	82	55.1	104.5
457x191x89 UB	89.3	60.01	113.8
457x191x98 UB	98.3	66.05	125.2
457x191x106 UB	105.8	71.09	134.8
457x191x133 UB	133.3	89.57	169.8
457x191x161 UB	161.4	108.46	205.6

457x279 UB series

Designation	kg/m	lb/ft	Area (cm²)
457x279x113 UB	113	75.93	143.9
457x279x128 UB	128	86.01	163.1
457x279x144 UB	144	96.76	183.4
457x279x158 UB	158	106.17	201.3
457x279x177 UB	177	118.94	225.5
457x279x193 UB	193	129.69	245.9
457x279x213 UB	213	143.13	271.3
457x279x235 UB	235	157.91	299.4
457x279x260 UB	260	174.71	331.2
457x279x286 UB	286	192.18	364.3
457x279x315 UB	315	211.67	401.3
457x279x349 UB	349	234.52	444.6
457x279x384 UB	384	258.04	489.2
457x279x421 UB	421	282.9	536.3
457x279x464 UB	464	311.79	591.1

533x165 UB series

Designation	kg/m	lb/ft	Area (cm²)
533x165x66 UB	66	44.35	84.1
533x165x74 UB	74	49.73	94.3
533x165x85 UB	85	57.12	108.3

533x210 UB series

Designation	kg/m	lb/ft	Area (cm²)
533x210x82 UB	82.2	55.24	104.7
533x210x92 UB	92.1	61.89	117.3
533x210x101 UB	101	67.87	128.7
533x210x109 UB	109	73.24	138.9
533x210x122 UB	122	81.98	155.4

533x312 UB series

Designation	kg/m	lb/ft	Area (cm²)
533x312x150 UB	150	100.8	191.1
533x312x165 UB	165	110.88	210.2
533x312x182 UB	182	122.3	231.8
533x312x196 UB	196	131.71	249.7
533x312x219 UB	219	147.16	279
533x312x248 UB	248	166.65	315.9
533x312x272 UB	272	182.78	346.5
533x312x300 UB	300	201.59	382.2
533x312x332 UB	332	223.09	422.9
533x312x369 UB	369	247.96	470.1
533x312x409 UB	409	274.84	521

610x178 UB series

Designation	kg/m	lb/ft	Area (cm²)
610x178x82 UB	82	55.1	104.5
610x178x92 UB	92	61.82	117.2

610x229 UB series

Designation	kg/m	lb/ft	Area (cm²)
610x229x101 UB	101	67.87	128.7
610x229x113 UB	113	75.93	143.9
610x229x125 UB	125	84	159.2
610x229x140 UB	140	94.08	178.3
610x229x153 UB	153	102.81	194.9

610x305 UB series

Designation	kg/m	lb/ft	Area (cm²)
610x305x149 UB	149	100.12	189.8
610x305x179 UB	179	120.28	228
610x305x238 UB	238	159.93	303.2

610x325 UB series

Designation	kg/m	lb/ft	Area (cm²)
610x325x155 UB	155	104.16	197.5
610x325x174 UB	174	116.92	221.7
610x325x195 UB	195	131.03	248.4
610x325x217 UB	217	145.82	276.4
610x325x241 UB	241	161.94	307
610x325x262 UB	262	176.06	333.8
610x325x285 UB	285	191.51	363.1
610x325x307 UB	307	206.29	391.1
610x325x341 UB	341	229.14	434.4
610x325x372 UB	372	249.97	473.9
610x325x415 UB	415	278.87	528.7
610x325x455 UB	455	305.75	579.6
610x325x498 UB	498	334.64	634.4
610x325x551 UB	551	370.26	701.9

686x254 UB series

Designation	kg/m	lb/ft	Area (cm²)
686x254x125 UB	125	84	159.2
686x254x140 UB	140	94.08	178.3
686x254x152 UB	152	102.14	193.6
686x254x170 UB	170	114.23	216.6
686x254x192 UB	192	129.02	244.6

762x267 UB series

Designation	kg/m	lb/ft	Area (cm²)
762x267x134 UB	134	90.04	170.7
762x267x147 UB	147	98.78	187.3
762x267x161 UB	161	108.19	205.1
762x267x173 UB	173	116.25	220.4
762x267x185 UB	185	124.31	235.7
762x267x197 UB	197	132.38	251
762x267x220 UB	220	147.83	280.3

838x292 UB series

Designation	kg/m	lb/ft	Area (cm²)
838x292x176 UB	176	118.27	224.2
838x292x194 UB	194	130.36	247.1
838x292x210 UB	210	141.11	267.5
838x292x226 UB	226	151.87	287.9
838x292x251 UB	251	168.66	319.7

914x305 UB series

Designation	kg/m	lb/ft	Area (cm²)
914x305x201 UB	201	135.07	256.1
914x305x224 UB	224	150.52	285.4
914x305x238 UB	238	159.93	303.2
914x305x253 UB	253	170.01	322.3
914x305x271 UB	271	182.1	345.2
914x305x289 UB	289	194.2	368.2
914x305x313 UB	313	210.33	398.7
914x305x345 UB	345	231.83	439.5
914x305x381 UB	381	256.02	485.4
914x305x425 UB	425	285.59	541.4
914x305x474 UB	474	318.51	603.8
914x305x521 UB	521	350.1	663.7
914x305x576 UB	576	387.05	733.8

914x419 UB series

Designation	kg/m	lb/ft	Area (cm²)
914x419x343 UB	343.3	230.69	437.3
914x419x388 UB	388	260.72	494.3

1016x305 UB series

Designation	kg/m	lb/ft	Area (cm²)
1016x305x222 UB	222	149.18	282.8
1016x305x249 UB	249	167.32	317.2
1016x305x272 UB	272	182.78	346.5
1016x305x314 UB	314	211	400
1016x305x350 UB	350	235.19	445.9
1016x305x393 UB	393	264.08	500.6
1016x305x415 UB	415	278.87	528.7
1016x305x438 UB	438	294.32	558
1016x305x487 UB	487	327.25	620.4
1016x305x494 UB	494	331.95	629.3
1016x305x584 UB	584	392.43	743.9

Areas marked as computed on the individual size pages are derived from the tabulated weight and steel density rather than read from the section table.

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