Source : https://semitruckledlightbarsbishioo.blogspot.com/2018/10/semi-truck-tire-size-calculator.html
MICHELIN INFLATION CHARTS FOR RV USAGE ONLY
WHEEL DIAMETER 16″ PSI 35 40 45 50 55 60 65 70 75 80 MAXIMUM LOAD AND PRESSURE ON SIDEWALL kPa 250 280 310 350 380 410 450 480 520 550 LT215/85R16 LRE XPS RIB LBS SINGLE 1495 1640 1785 1940 2050 2180 2335 2430 2550 2680 S 2680 LBS AT 80 PSI LBS DUAL 2720 2980 3250 3530 3730 3970 4300 4420 4640 4940 D 2470 LBS AT 80 PSI KG SINGLE 695 745 810 880 930 990 1060 1100 1155 1215 S 1215 KG AT 550 kPa KG DUAL 1260 1350 1475 1600 1690 1800 1950 2005 2105 2240 D 1120 KG AT 550 kPa LT225/75R16 LRE XPS RIB LBS SINGLE 1500 1650 1790 1940 2060 2190 2335 2440 2560 2680 S 2680 LBS AT 80 PSI LBS DUAL 2730 3000 3260 3530 3750 3990 4300 4440 4660 4940 D 2470 LBS AT 80 PSI KG SINGLE 700 750 813 880 935 995 1060 1108 1160 1215 S 1215 KG AT 550 kPa KG DUAL 1270 1360 1480 1600 1700 1810 1950 2015 2115 2240 D 1120 KG AT 550 kPa LT235/85R16 LRE XPS RIB LBS SINGLE 1700 1870 2030 2205 2335 2485 2625 2765 2905 3042 S 3042 LBS AT 80 PSI LBS DUAL 3090 3400 3690 4010 4250 4520 4760 5030 5290 5556 D 2778 LBS AT 80 PSI KG SINGLE 790 850 920 1000 1060 1130 1190 1255 1320 1380 S 1380 KG AT 550 kPa KG DUAL 1440 1545 1675 1820 1930 2050 2160 2280 2400 2520 D 1260 KG AT 550 kPa LT245/75R16 LRE XPS RIB LBS SINGLE 1700 1865 2030 2205 2335 2480 2625 2765 2900 3042 S 3042 LBS AT 80 PSI LBS DUAL 3090 3390 3690 4010 4250 4510 4763 5030 5280 5556 D 2778 LBS AT 80 PSI KG SINGLE 790 845 920 1000 1060 1125 1190 1255 1315 1380 S 1380 KG AT 550 kPa KG DUAL 1440 1540 1675 1820 1930 2045 2160 2280 2395 2520 D 1260 KG AT 550 kPa
WHEEL DIAMETER 17.5″ PSI 85 90 95 100 105 110 115 120 125 MAXIMUM LOAD AND PRESSURE ON SIDEWALL kPa 590 620 660 690 720 760 790 830 860 10R17.5 LRG XZA LBS SINGLE 3860 4005 4150 4300 4470 4640 4805 S 4805 LBS AT 115 PSI LBS DUAL 7280 7570 7860 8160 8470 8780 9080 D 4540 LBS AT 115 PSI KG SINGLE 1750 1820 1890 1950 2030 2110 2180 S 2180 KG AT 790 kPa KG DUAL 3300 3440 3580 3700 3840 3980 4120 D 2060 KG AT 790 kPa
WHEEL DIAMETER 19.5″ PSI 65 70 75 80 85 90 95 100 105 110 115 120 MAXIMUM LOAD AND PRESSURE ON SIDEWALL kPa 450 480 520 550 590 620 660 690 720 760 790 830 8R19.5 LRF XZA LBS SINGLE 2540 2680 2835 2955 3075 3195 3305 3415 3525 S 3525 LBS AT 110 PSI LBS DUAL 4920 5140 5360 5570 5780 6000 6200 6400 6610 D 3305 LBS AT 110 PSI KG SINGLE 1150 1220 1285 1340 1400 1450 1500 1550 1600 S 1600 KG AT 760 kPa KG DUAL 2240 2340 2430 2520 2620 2720 2820 2920 3000 D 1500 KG AT 760 kPa 225/70R19.5 LRF XRV, XZE LBS SINGLE 2755 2895 3040 3195 3315 3450 3640 S 3640 LBS AT 95 PSI LBS DUAL 5200 5440 5720 6000 6230 6490 6830 D 3415 LBS AT 95 PSI KG SINGLE 1250 1310 1380 1450 1500 1570 1650 S 1650 KG AT 660 kPa KG DUAL 2360 2460 2600 2720 2820 2940 3100 D 1550 KG AT 660 kPa 225/70R19.5 LRG XZE LBS SINGLE 2755 2895 3040 3195 3315 3450 3640 3715 3845 3970 S 3970 LBS AT 110 PSI LBS DUAL 5200 5440 5720 6000 6230 6490 6830 6980 7230 7500 D 3750 LBS AT 110 PSI KG SINGLE 1250 1310 1380 1450 1500 1570 1650 1690 1740 1800 S 1800 KG AT 760 kPa KG DUAL 2360 2460 2600 2720 2820 2940 3100 3160 3280 3400 D 1700 KG AT 760 kPa 245/70R19.5 LRF XRV LBS SINGLE 3640 3740 3890 4080 S 4080 LBS AT 95 PSI LBS DUAL 6830 7030 7310 7720 D 3860 LBS AT 95 PSI KG SINGLE 1650 1700 1770 1850 S 1850 LBS AT 660 kPa KG DUAL 3100 3180 3320 3500 D 1750 LBS AT 660 kPa 245/70R19.5 LRG XZE LBS SINGLE 3640 3740 3890 4080 4190 4335 4540 S 4540 LBS AT 110 PSI LBS DUAL 6830 7030 7310 7720 7880 8150 8600 D 4300 LBS AT 110 PSI KG SINGLE 1650 1700 1770 1850 1900 1970 2060 S 2060 KG AT 760 kPa KG DUAL 3100 3180 3320 3500 3580 3700 3900 D 1950 KG AT 760 kPa 245/70R19.5 LRH XZE LBS SINGLE 3390 3570 3750 3925 4100 4270 4440 4610 4775 4940 S 4940 LBS AT 120 PSI LBS DUAL 6420 6760 7100 7430 7760 8080 8400 8720 9040 9350 D 4675 LBS AT 120 PSI KG SINGLE 1540 1620 1700 1780 1860 1935 2015 2090 2165 2240 S 2240 KG AT 830 kPa KG DUAL 2910 3065 3220 3370 3520 3665 3810 3955 4100 4240 D 2120 KG AT 830 kPa
WHEEL DIAMETER 22.5″ PSI 70 75 80 85 90 95 100 105 110 115 120 125 130 MAXIMUM LOAD AND PRESSURE ON SIDEWALL kPa 480 520 550 590 620 660 690 720 760 790 830 850 900 9R22.5 LRG XZE LBS SINGLE 3370 3560 3730 3890 4080 4235 4390 4540 S 4550 LBS AT 105 PSI LBS DUAL 6540 6820 7100 7380 7720 8010 8300 8600 D 4300 LBS AT 105 PSI KG SINGLE 1530 1615 1690 1760 1850 1920 1990 2060 S 2060 KG AT 720 kPa KG DUAL 2960 3100 3220 3340 3500 3640 3780 3900 D 1950 KG AT 720 kPa 10R22.5 LRF XZE LBS SINGLE 4080 4280 4480 4675 4850 5025 5205 S 5205 LBS AT 100 PSI LBS DUAL 7720 8090 8460 8820 9170 9520 9880 D 4940 LBS AT 100 PSI KG SINGLE 1850 1940 2030 2120 2200 2280 2360 S 2360 KG AT 690 kPa KG DUAL 3500 3660 3820 4000 4160 4320 4480 D 2240 KG AT 690 kPa 10R22.5 LRG XZE LBS SINGLE 4080 4280 4480 4685 4850 5025 5205 5360 5515 5675 S 5675 LBS AT 115 PSI LBS DUAL 7720 8090 8460 8820 9170 9520 9880 10150 10420 10710 D 5355 LBS AT 115 PSI KG SINGLE 1850 1940 22030 2120 2200 2280 2360 2430 2500 2575 S 2575 KG AT 790 kPa KG DUAL 3500 3660 3820 4000 4160 4320 4480 4600 4720 4860 D 2430 KG AT 790 kPa 11R22.5 LRG XZA3, XZE2 LBS SINGLE 4530 4770 4990 5220 5510 5730 5950 6175 S 6175 LBS AT 105 PSI LBS DUAL 8760 9160 9520 9900 10410 10830 11250 11680 D 5840 LBS AT 105 PSI KG SINGLE 2050 2160 2260 2370 2500 2600 2700 2800 S 2800 KG AT 720 kPa KG DUAL 3980 4160 4320 4500 4720 4920 5120 5300 D 2650 KG AT 720 kPa 11R22.5 LRH XZA3, XZE2 LBS SINGLE 4770 4990 5220 5510 5730 5950 6175 6320 6465 6610 S 6610 LBS AT 120 PSI LBS DUAL 9160 9520 9900 10410 10830 11250 11680 11790 11900 12010 D 6005 LBS AT 120 PSI KG SINGLE 2160 2260 2370 2500 2600 2700 2800 2870 2940 3000 S 3000 KG AT 830 kPa KG DUAL 4160 4320 4500 4720 4920 5120 5300 5360 5420 5450 D 2725 KG AT 830 kPa 12R22.5 LRH XZE LBS SINGLE 5200 5450 5690 6005 6205 6405 6610 6870 7130 7390 S 7390 LBS AT 120 PSI LBS DUAL 9980 10380 10780 11350 11570 11790 12010 12530 13050 13560 D 6780 LBS AT 120 PSI KG SINGLE 2360 2470 2580 2725 2820 2910 3000 3120 3240 3350 S 3350 KG AT 830 kPa KG DUAL 4520 4700 4880 5150 5260 5360 5450 5680 5920 6150 D 3075 KG AT 830 kPa 235/80R22.5 LRG XRV, XZE LBS SINGLE 3255 3440 3625 3805 3980 4160 4330 4505 4675 S 4675 LBS AT 110 PSI LBS DUAL 6140 6490 6840 7180 7510 7840 8170 8500 8820 D 4410 LBS AT 110 PSI KG SINGLE 1475 1560 1645 1725 1805 1885 1965 2045 2120 S 2120 KG AT 760 kPa KG DUAL 2785 2945 3105 3255 3405 3555 3705 3855 4000 D 2000 KG AT 760 kPa 255/70R22.5 LRH XZE %LBS SINGLE 4190 4370 4550 4675 4895 5065 5205 5400 5510 S 5510 LBS AT 120 PSI LBS DUAL 7940 8220 8550 8820 8910 9220 9350 9830 10140 D 5070 LBS AT 120 PSI KG SINGLE 1900 1980 2060 2120 2220 2300 2360 2450 2500 S 2500 KG AT 830 kPa KG DUAL 3600 3720 3880 4000 4040 4180 4240 4460 4600 D 2300 KG AT 830 kPa 255/80R22.5 LRG XRV, XZE LBS SINGLE 3875 4070 4300 4440 4620 4805 4975 5150 5205 S 5205 LBS AT 110 PSI LBS DUAL 7050 7410 7720 8080 8410 8820 9050 9370 9610 D 4805 LBS AT 110 PSI KG SINGLE 1760 1850 1950 2010 2100 2180 2260 2340 2360 S 2360 KG AT 760 kPa KG DUAL 3200 3360 3500 3660 3820 4000 4100 4260 4360 D 2180 KG AT 760 kPa 275/70R22.5 LRJ XZA2 ENERGY LBS SINGLE 4940 5170 5400 5625 5850 6070 6290 6510 6730 6940 S 6940 LBS AT 130 PSI LBS DUAL 9710 10160 10610 11050 11490 11930 12360 12790 D 6395 LBS AT 120 PSI KG SINGLE 2250 2340 2460 2550 2640 2750 2840 2950 3040 3150 S 3150 KG AT 900 kPa KG DUAL 4420 4600 4820 5000 5180 5400 5580 5800 D 2900 KG AT 830 kPa 275/80R22.5 LRG XZA3, XZE2 LBS SINGLE 4500 4725 4940 5155 5370 5510 5780 5980 6175 S 6175 LBS AT 110 PSI LBS DUAL 8190 8600 9080 9380 9770 10140 10520 10880 11350 D 5675 LBS AT 110 PSI KG SINGLE 2040 2140 2240 2340 2440 2500 2620 2710 2800 S 2800 KG AT 760 kPa KG DUAL 3720 3900 4120 4260 4440 4600 4780 4940 5150 D 2575 KG AT 760 kPa
WHEEL DIAMETER 24.5″ PSI 70 75 80 85 90 95 100 105 110 115 120 MAXIMUM LOAD AND PRESSURE ON SIDEWALL kPa 480 520 550 590 620 660 690 720 760 790 830 11R24.5 LRG XZA3, XZE2 LBS SINGLE 4820 5070 5310 5550 5840 6095 6350 6610 S 6610 LBS AT 105 PSI LBS DUAL 9320 9740 10140 10520 11020 11350 11680 12010 D 6005 LBS AT 105 PSI KG SINGLE 2190 2300 2410 2520 2650 2770 2890 3000 S 3000 KG AT 720 kPa KG DUAL 4220 4420 4600 4780 5000 5160 5320 5450 D 2725 KG AT 720 kPa 11R24.5 LRH XZE2 LBS SINGLE 5070 5310 5550 5840 6095 6350 6610 6790 6970 7160 S 7160 LBS AT 120 PSI LBS DUAL 9740 10140 10520 11020 11350 11680 12010 12410 12810 13220 D 6610 LBS AT 120 PSI KG SINGLE 2300 2410 2520 2650 2770 2890 3000 3080 3160 3250 S 3250 KG AT 830 kPa KG DUAL 4420 4600 4780 5000 5160 5320 5450 5640 5820 6000 D 3000 KG AT 830 kPa 275/80R24.5 LRG XZA3, XZE2 LBS SINGLE 4545 4770 4940 5210 5420 5675 5835 6040 6175 S 6175 LBS AT 110 PSI LBS DUAL 8270 8680 9080 9480 9860 10410 10620 10990 11350 D 5675 LBS AT 110 PSI KG SINGLE 2060 2160 2240 2360 2460 2575 2650 2740 2800 S 2800 KG AT 760 kPa KG DUAL 3740 3940 4120 4300 4480 4720 4820 4980 5150 D 2575 KG AT 760 kPa
MICHELIN COMMERCIAL LIGHT TRUCK TIRE REFERENCE CHART
Size Sculp Load Range (1) Load Index Speed Rating Catalog Number Tread Depth Rim Range Max. Tire Load And Pressure Single Max. Tire Load And Pressure Dual 32nds lbs. psi kg. kPa lbs. psi kg. kPa LT235/75R15 LTX M/S (2)C 104 / 10 1 R 78868 13 6 . 0 “ – 7 . 0 “ 1985 50 900 350 1820 50 825 350 LT215/85R16LTX ® A/T 2 E 115/112 R 03321 17 5.5″ – 7.0″ 2680 80 1215 550 2470 80 1120 550 LTX M/S (2)E 115 / 11 2 R 57810 15 5 . 5 “ – 7 . 0 “ 2680 80 1215 550 2470 80 1120 550 LTX ® M/S 2 (3)E 115/112 R 02397 15 5.5″ – 7.0″ 2680 80 1215 550 2470 80 1120 550 XPS RIB ® E 115/112 Q 39510 15 5.5″ – 7.0″ 2680 80 1215 550 2470 80 1120 550 XPS TRACTION ® E 115/112 Q 35260 17 5.5″ – 7.0″ 2680 80 1215 550 2470 80 1120 550 LT225/75R16LTX ® A/T 2 E 115/112 R 33371 17 6.0″ – 7.0″ 2680 80 1215 550 2470 80 1120 550 LTX ® M/S E 115/112 R 25516 15 6.0″ – 7.0″ 2680 80 1215 550 2470 80 1120 550 XPS RIB ® E 115/112 Q 08404 14 6.0″ – 7.0″ 2680 80 1215 550 2470 80 1120 550 LT235/85R16LTX ® A/T 2 E 120/116 R 03287 17 6.0″ – 7.5″ 3042 80 1380 550 2778 80 1260 550 LTX M/S (2)E 120 / 11 6 R 07364 15 6 . 0 “ – 7 . 0 “ 3042 80 1380 550 2778 80 1260 550 LTX ® M/S 2 (3)E 120/116 R 27679 15 6.0″ – 7.0″ 3042 80 1380 550 2778 80 1260 550 XPS RIB ® E 120/116 Q 13080 15 6.0″ – 7.0″ 3042 80 1380 550 2778 80 1260 550 XPS TRACTION ® E 120/116 Q 36496 15 6.0″ – 7.0″ 3042 80 1380 550 2778 80 1260 550 LT245/75R16LTX ® A/T 2 E 120/116 R 38953 17 6.5″ – 8.0″ 3042 80 1380 550 2778 80 1260 550 LTX ® M/S E 120/116 R 22606 15 6.5″ – 7.5″ 3042 80 1380 550 2778 80 1260 550 XPS RIB ® E 120/116 Q 26848 14 6.5″ – 7.5″ 3042 80 1380 550 2778 80 1260 550 LT265/75R16LTX ® A/T 2 E 123/120 R 38691 17 7.0″ – 8.0″ 3415 80 1550 550 3085 80 1400 550 LTX ® M/S 2 E 123/120 R 23388 14 7.0″ – 8.0″ 3415 80 1550 550 3085 80 1400 550 LT245/70R17LTX ® A/S E 119/116 R 90771 15 6.5″ – 7.5″ 3000 80 1360 550 2755 80 1250 550 LTX ® M/S 2 E 119/116 R 38161 14 6.5″ – 8.0″ 3000 80 1360 550 2755 80 1250 550 LT265/70R17 LTX ® A/S E 121/118 R 83116 15 7.0″ – 8.5″ 3195 80 1450 550 2910 80 1320 550
NOTE: Never exceed the wheel manufacturer’s maximum air pressure limitation.
S = Single configuration, or 2 tires per axle. D = Dual configuration, or 4 tires per axle. Loads are indicated per axle.
WHEEL DIAMETER 15″ PSI 35 40 45 50 55 60 65 70 75 80 MAX LOAD & PRESSURE ON SIDEWALL kPa 250 280 310 350 380 410 450 480 520 550 LT235/75R15 LRC LTX M/S LBS SINGLE 3060 3360 3650 3970 S 1985 LBS AT 50 PSI LBS DUAL 5560 6120 6640 7280 D 1820 LBS AT 50 PSI KG SINGLE 1420 1525 1655 1800 S 900 KG AT 350 KPA KG DUAL 2580 2775 3010 3300 D 900 KG AT 350 KPA
WHEEL DIAMETER 16″ PSI 35 40 45 50 55 60 65 70 75 80 MAX LOAD & PRESSURE ON SIDEWALL kPa 250 280 310 350 380 410 450 480 520 550 LT215/85R16 LRE LTX A/T2, LTX M/S, LTX M/S2, XPS RIB, XPS TRACTION LBS SINGLE 2990 3280 3570 3880 4100 4360 4670 4860 5100 5360 S 2680 LBS AT 80 PSI LBS DUAL 5440 5960 6500 7060 7460 7940 8600 8840 9280 9880 D 2470 LBS AT 80 PSI KG SINGLE 1990 1488 1619 1760 1860 1978 2120 2205 2313 2430 S 1215 KG AT 550 KPA KG DUAL 2520 2703 2948 3200 3384 3602 3900 4010 4209 4480 D 1120 KG AT 550 KPA LT225/75R16 LRE LTX A/T2, LTX M/S, XPS RIB LBS SINGLE 3000 3300 3580 3880 4120 4380 4670 4880 5120 5360 S 2680 LBS AT 80 PSI LBS DUAL 5460 6000 6520 7060 7500 7980 8600 8880 9320 9880 D 2470 LBS AT 80 PSI KG SINGLE 1400 1500 1625 1760 1870 1990 2120 2215 2320 2430 S 1215 KG AT 550 KPA KG DUAL 2540 2720 2960 3200 3400 3620 3900 4030 4230 4480 D 1120 KG AT 550 KPA LT235/85R16 LRE LTX A/T2, LTX M/S, LTX M/S2, XPS RIB, XPS TRACTION LBS SINGLE 3400 3740 4060 4410 4670 4970 5246 5530 5810 6084 S 3042 LBS AT 80 PSI LBS DUAL 6180 6800 7380 8024 8500 9040 9524 10060 10580 11112 D 2778 LBS AT 80 PSI KG SINGLE 1580 1696 1842 2000 2118 2254 2380 2508 2635 2760 S 1380 KG AT 550 KPA KG DUAL 2880 3084 3348 3640 3856 4100 4320 4563 4799 5040 D 1260 KG AT 550 KPA LT245/75R16 LRE LTX A/T2, LTX M/S, XPS RIB LBS SINGLE 3400 3730 4060 4410 4670 4960 5250 5530 5800 6084 S 3042 LBS AT 80 PSI LBS DUAL 6180 6780 7380 8024 8500 9020 9525 10060 10560 11112 D 2778 LBS AT 80 PSI KG SINGLE 1580 1690 1840 2000 2120 2250 2380 2510 2630 2760 S 1380 KG AT 550 KPA KG DUAL 2880 33075 3350 3640 3855 4090 4320 4560 4790 5040 D 1260 KG AT 550 KPA LT265/75R16 LRE LTX A/T2, LTX M/S2 LBS SINGLE 3820 4200 4560 4940 5250 5580 6000 6210 6520 6830 S 3415 LBS AT 80 PSI LBS DUAL 6960 7640 8300 9080 9560 10160 11020 11300 11860 12340 D 3085 LBS AT 80 PSI KG SINGLE 1780 1905 2070 2240 2380 2530 2720 2815 2960 3100 S 1550 KG AT 550 KPA KG DUAL 3240 3465 3765 4120 4340 4610 5000 5125 5380 5600 D 1400 KG AT 550 KPA
WHEEL DIAMETER 17″ PSI 35 40 45 50 55 60 65 70 75 80 MAX LOAD & PRESSURE ON SIDEWALL kPa 250 280 310 350 380 410 450 480 520 550 LT245/70R17 LRE LTX A/S, LTX M/S2 LBS SINGLE 3380 3710 4020 4410 4630 4920 5200 5480 5750 6000 S 3000 LBS AT 80 PSI LBS DUAL 6160 6760 7320 7940 8420 8960 9340 9980 10460 11020 D 2755 LBS AT 80 PSI KG SINGLE 1570 1685 1825 2000 2100 2230 2360 2485 2610 2720 S 1360 KG AT 550 KPA KG DUAL 2860 3065 3320 3600 3820 4065 4240 4525 4745 5000 D 1250 KG AT 550 KPA LT265/70R17 LRE LTX A/S LBS SINGLE 3780 4150 4510 4940 5190 5520 5820 6010 6200 6390 S 3195 LBS AT 80 PSI LBS DUAL 6880 7560 8200 9080 9440 10040 10720 10940 11280 11640 D 2910 LBS AT 80 PSI KG SINGLE 1760 1880 2044 2240 2360 2500 2640 2730 2800 2900 S 1450 KG AT 550 KPA KG DUAL 3200 3440 3720 4120 4280 4560 4860 4960 5120 5280 D 1320 KG AT 550 KPA
Reference : https://www.michelintruck.com/assets/pdf/Truck_Tire_Data_Book_Jan2007.pdf