Polyester Polyolefin Ropes - Strengths

Polyester Polyolefin dual fiber 3-strand rope - minimum breaking strength and safe load calculator with reference table.

Calculator

Safe Load (kN)

Acceleration of Gravity (m/s²)

Maximum Safe Mass-- kg

Rope Diameter (in)	Minimum Breaking Strength (mm)	Safe Load - lbf	Safe Load - kN	Weight (lbm/ft)	Weight (kg/m)
1/4	6	1200	5.34	0.016	0.024
5/16	8	1870	8.3	0.025	0.037
3/8	10	2700	12.0	0.036	0.054
7/16	11	3500	15.6	0.048	0.071
1/2	12	4400	19.6	0.062	0.092
9/16	14	5200	23.1	0.079	0.118
5/8	16	6100	27.1	0.095	0.141
3/4	18	8400	37.4	0.135	0.201
7/8	22	11125	49.5	0.180	0.268
1	24	13175	58.6	0.218	0.324
1 1/16	26	14775	66	0.245	0.365
1 1/8	28	16325	73	0.271	0.403
1 1/4	30	19900	89	0.334	0.495
1 3/8	32	21950	98	0.365	0.543
1 1/2	36	28250	126	0.470	0.699
1 5/8	40	32950	147	0.550	0.818
1 3/4	44	36850	164	0.620	0.923
2	48	48050	214	0.810	1.21