{"id":686,"date":"2026-06-07T13:23:41","date_gmt":"2026-06-07T13:23:41","guid":{"rendered":"https:\/\/nexxustires.com\/?p=686"},"modified":"2026-06-07T13:45:08","modified_gmt":"2026-06-07T13:45:08","slug":"load-index-speed-index-load-range","status":"publish","type":"post","link":"https:\/\/nexxustires.com\/lo\/load-index-speed-index-load-range\/","title":{"rendered":"Load Index, Speed Index, Load Range"},"content":{"rendered":"\n

Tire Load Index & its Load Capacity<\/h2>\n\n\n\n

The load index is a standardized measurement<\/strong> used globally to ensure that tires are matched correctly to a vehicle’s weight requirements \u2013 thus acting as a safety threshold that prevents structural failure under stress. It is a numerical code that represents the maximum weight capacity each tire can safely support.<\/p>\n\n\n\n

Understanding what the load index on tires means is crucial for vehicle maintenance, as it ensures that you don\u2019t accidentally compromise safety by installing tires with insufficient load capacity.<\/p>\n\n\n\n

Load Index<\/td>Load Capacity (kg)<\/td>\u3000<\/td>Load Index\u00a0<\/td>Load Capacity (kg)<\/td>\u3000<\/td>Load Index\u00a0<\/td>Index\u00a0
Load Capacity(kg)<\/td><\/tr>
0<\/td>45<\/td>100<\/td>800<\/td>200<\/td>14000<\/td><\/tr>
1<\/td>46.2<\/td>101<\/td>825<\/td>201<\/td>14500<\/td><\/tr>
2<\/td>47.5<\/td>102<\/td>850<\/td>202<\/td>15000<\/td><\/tr>
3<\/td>48.7<\/td>103<\/td>875<\/td>203<\/td>15500<\/td><\/tr>
4<\/td>50<\/td>104<\/td>900<\/td>204<\/td>16000<\/td><\/tr>
5<\/td>51.5<\/td>105<\/td>925<\/td>205<\/td>16500<\/td><\/tr>
6<\/td>53<\/td>106<\/td>950<\/td>206<\/td>17000<\/td><\/tr>
7<\/td>54.5<\/td>107<\/td>975<\/td>207<\/td>17500<\/td><\/tr>
8<\/td>56<\/td>108<\/td>1000<\/td>208<\/td>18000<\/td><\/tr>
9<\/td>58<\/td>109<\/td>1030<\/td>209<\/td>18500<\/td><\/tr>
10<\/td>60<\/td>110<\/td>1060<\/td>210<\/td>19000<\/td><\/tr>
11<\/td>61.5<\/td>111<\/td>1090<\/td>211<\/td>19500<\/td><\/tr>
12<\/td>63<\/td>112<\/td>1120<\/td>212<\/td>20000<\/td><\/tr>
13<\/td>65<\/td>113<\/td>1150<\/td>213<\/td>20600<\/td><\/tr>
14<\/td>67<\/td>114<\/td>1180<\/td>214<\/td>21200<\/td><\/tr>
15<\/td>69<\/td>115<\/td>1215<\/td>215<\/td>21800<\/td><\/tr>
16<\/td>71<\/td>116<\/td>1250<\/td>216<\/td>22400<\/td><\/tr>
17<\/td>73<\/td>117<\/td>1285<\/td>217<\/td>23000<\/td><\/tr>
18<\/td>75<\/td>118<\/td>1320<\/td>218<\/td>23600<\/td><\/tr>
19<\/td>77.5<\/td>119<\/td>1360<\/td>219<\/td>24300<\/td><\/tr>
20<\/td>80<\/td>120<\/td>1400<\/td>220<\/td>25000<\/td><\/tr>
21<\/td>82.5<\/td>121<\/td>1450<\/td>221<\/td>25750<\/td><\/tr>
22<\/td>85<\/td>122<\/td>1500<\/td>222<\/td>26500<\/td><\/tr>
23<\/td>87.5<\/td>123<\/td>1550<\/td>223<\/td>27250<\/td><\/tr>
24<\/td>90<\/td>124<\/td>1600<\/td>224<\/td>28000<\/td><\/tr>
25<\/td>92.5<\/td>125<\/td>1650<\/td>225<\/td>29000<\/td><\/tr>
26<\/td>95<\/td>126<\/td>1700<\/td>226<\/td>30000<\/td><\/tr>
27<\/td>97.5<\/td>127<\/td>1750<\/td>227<\/td>30750<\/td><\/tr>
28<\/td>100<\/td>128<\/td>1800<\/td>228<\/td>31500<\/td><\/tr>
29<\/td>103<\/td>129<\/td>1850<\/td>229<\/td>32500<\/td><\/tr>
30<\/td>106<\/td>130<\/td>1900<\/td>230<\/td>33500<\/td><\/tr>
31<\/td>109<\/td>131<\/td>1950<\/td>231<\/td>34500<\/td><\/tr>
32<\/td>112<\/td>132<\/td>2000<\/td>232<\/td>35500<\/td><\/tr>
33<\/td>115<\/td>133<\/td>2060<\/td>233<\/td>36500<\/td><\/tr>
34<\/td>118<\/td>134<\/td>2120<\/td>234<\/td>37500<\/td><\/tr>
35<\/td>121<\/td>135<\/td>2180<\/td>235<\/td>38750<\/td><\/tr>
36<\/td>125<\/td>136<\/td>2240<\/td>236<\/td>40000<\/td><\/tr>
37<\/td>128<\/td>137<\/td>2300<\/td>237<\/td>41250<\/td><\/tr>
38<\/td>132<\/td>138<\/td>2360<\/td>238<\/td>42500<\/td><\/tr>
39<\/td>136<\/td>139<\/td>2430<\/td>239<\/td>43750<\/td><\/tr>
40<\/td>140<\/td>140<\/td>2500<\/td>240<\/td>45000<\/td><\/tr>
41<\/td>145<\/td>141<\/td>2575<\/td>241<\/td>46250<\/td><\/tr>
42<\/td>150<\/td>142<\/td>2650<\/td>242<\/td>47500<\/td><\/tr>
43<\/td>155<\/td>143<\/td>2725<\/td>243<\/td>48750<\/td><\/tr>
44<\/td>160<\/td>144<\/td>2800<\/td>244<\/td>50000<\/td><\/tr>
45<\/td>165<\/td>145<\/td>2900<\/td>245<\/td>51500<\/td><\/tr>
46<\/td>170<\/td>146<\/td>3000<\/td>246<\/td>53000<\/td><\/tr>
47<\/td>175<\/td>147<\/td>3075<\/td>247<\/td>54500<\/td><\/tr>
48<\/td>180<\/td>148<\/td>3150<\/td>248<\/td>56000<\/td><\/tr>
49<\/td>185<\/td>149<\/td>3250<\/td>249<\/td>58000<\/td><\/tr>
50<\/td>190<\/td>150<\/td>3350<\/td>250<\/td>60000<\/td><\/tr>
51<\/td>195<\/td>151<\/td>3450<\/td>251<\/td>61500<\/td><\/tr>
52<\/td>200<\/td>152<\/td>3550<\/td>252<\/td>63000<\/td><\/tr>
53<\/td>206<\/td>153<\/td>3650<\/td>253<\/td>65000<\/td><\/tr>
54<\/td>212<\/td>154<\/td>3750<\/td>254<\/td>67000<\/td><\/tr>
55<\/td>218<\/td>155<\/td>3875<\/td>255<\/td>69000<\/td><\/tr>
56<\/td>224<\/td>156<\/td>4000<\/td>256<\/td>71000<\/td><\/tr>
57<\/td>230<\/td>157<\/td>4125<\/td>257<\/td>73000<\/td><\/tr>
58<\/td>236<\/td>158<\/td>4250<\/td>258<\/td>75000<\/td><\/tr>
59<\/td>243<\/td>159<\/td>4375<\/td>259<\/td>77500<\/td><\/tr>
60<\/td>250<\/td>160<\/td>4500<\/td>260<\/td>80000<\/td><\/tr>
61<\/td>257<\/td>161<\/td>4625<\/td>261<\/td>82500<\/td><\/tr>
62<\/td>265<\/td>162<\/td>4750<\/td>262<\/td>85000<\/td><\/tr>
63<\/td>272<\/td>163<\/td>4875<\/td>263<\/td>87500<\/td><\/tr>
64<\/td>280<\/td>164<\/td>5000<\/td>264<\/td>90000<\/td><\/tr>
65<\/td>290<\/td>165<\/td>5150<\/td>265<\/td>92500<\/td><\/tr>
66<\/td>300<\/td>166<\/td>5300<\/td>266<\/td>95000<\/td><\/tr>
67<\/td>307<\/td>167<\/td>5450<\/td>267<\/td>97500<\/td><\/tr>
68<\/td>315<\/td>168<\/td>5600<\/td>268<\/td>100000<\/td><\/tr>
69<\/td>325<\/td>169<\/td>5800<\/td>269<\/td>103000<\/td><\/tr>
70<\/td>335<\/td>170<\/td>6000<\/td>270<\/td>106000<\/td><\/tr>
71<\/td>345<\/td>171<\/td>6150<\/td>271<\/td>109000<\/td><\/tr>
72<\/td>355<\/td>172<\/td>6300<\/td>272<\/td>112000<\/td><\/tr>
73<\/td>365<\/td>173<\/td>6500<\/td>273<\/td>115000<\/td><\/tr>
74<\/td>375<\/td>174<\/td>6700<\/td>274<\/td>118000<\/td><\/tr>
75<\/td>387<\/td>175<\/td>6900<\/td>275<\/td>121500<\/td><\/tr>
76<\/td>400<\/td>176<\/td>7100<\/td>276<\/td>125000<\/td><\/tr>
77<\/td>412<\/td>177<\/td>7300<\/td>277<\/td>128500<\/td><\/tr>
78<\/td>425<\/td>178<\/td>7500<\/td>278<\/td>132000<\/td><\/tr>
79<\/td>437<\/td>179<\/td>7750<\/td>279<\/td>136000<\/td><\/tr>
80<\/td>450<\/td>180<\/td>8000<\/td>\u3000<\/td>\u3000<\/td><\/tr>
81<\/td>462<\/td>181<\/td>8250<\/td>\u3000<\/td>\u3000<\/td><\/tr>
82<\/td>475<\/td>182<\/td>8500<\/td>\u3000<\/td>\u3000<\/td><\/tr>
83<\/td>487<\/td>183<\/td>8750<\/td>\u3000<\/td>\u3000<\/td><\/tr>
84<\/td>500<\/td>184<\/td>9000<\/td>\u3000<\/td>\u3000<\/td><\/tr>
85<\/td>515<\/td>185<\/td>9250<\/td>\u3000<\/td>\u3000<\/td><\/tr>
86<\/td>530<\/td>186<\/td>9500<\/td>\u3000<\/td>\u3000<\/td><\/tr>
87<\/td>545<\/td>187<\/td>9750<\/td>\u3000<\/td>\u3000<\/td><\/tr>
88<\/td>560<\/td>188<\/td>10000<\/td>\u3000<\/td>\u3000<\/td><\/tr>
89<\/td>580<\/td>189<\/td>10300<\/td>\u3000<\/td>\u3000<\/td><\/tr>
90<\/td>600<\/td>190<\/td>10600<\/td>\u3000<\/td>\u3000<\/td><\/tr>
91<\/td>615<\/td>191<\/td>10900<\/td>\u3000<\/td>\u3000<\/td><\/tr>
92<\/td>630<\/td>192<\/td>11200<\/td>\u3000<\/td>\u3000<\/td><\/tr>
93<\/td>650<\/td>193<\/td>11500<\/td>\u3000<\/td>\u3000<\/td><\/tr>
94<\/td>670<\/td>194<\/td>11800<\/td>\u3000<\/td>\u3000<\/td><\/tr>
95<\/td>690<\/td>195<\/td>12150<\/td>\u3000<\/td>\u3000<\/td><\/tr>
96<\/td>710<\/td>196<\/td>12500<\/td>\u3000<\/td>\u3000<\/td><\/tr>
97<\/td>730<\/td>197<\/td>12850<\/td>\u3000<\/td>\u3000<\/td><\/tr>
98<\/td>750<\/td>198<\/td>13200<\/td>\u3000<\/td>\u3000<\/td><\/tr>
99<\/td>775<\/td>199<\/td>13600<\/td>\u3000<\/td>\u3000 <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Tire Speed Index & its Corresponding Speed<\/h2>\n\n\n\n

A tire\u2019s speed rating indicates the optimal speed that the tire can safely maintain over time. In short, it\u2019s the fastest speed a tire can handle before it no longer performs as designed. The higher the speed rating, the better control and handling you\u2019ll have at higher speeds.<\/p>\n\n\n\n

The speed rating system was developed to help control the safe performance of tires at standardized speeds. A tire\u2019s certified speed rating is given a letter from A to Z, ranging from 5km\/h (3mph) to above 300 km\/h (186 mph).This rating system (see below) shows the top speed for which a tire is certified. It does not indicate the total performance capability of a tire.<\/p>\n\n\n\n

Symbol<\/strong><\/td>Speed (km\/h)<\/strong><\/td><\/td>Symbol<\/strong><\/td>Speed (km\/h)<\/strong><\/td><\/tr>
A1<\/td>5<\/td><\/td>K<\/td>110<\/td><\/tr>
A2<\/td>10<\/td><\/td>L<\/td>120<\/td><\/tr>
A3<\/td>15<\/td><\/td>M<\/td>130<\/td><\/tr>
A4<\/td>20<\/td><\/td>N<\/td>140<\/td><\/tr>
A5<\/td>25<\/td><\/td>P<\/td>150<\/td><\/tr>
A6<\/td>30<\/td><\/td>Q<\/td>160<\/td><\/tr>
A7<\/td>35<\/td><\/td>R<\/td>170<\/td><\/tr>
A8<\/td>40<\/td><\/td>S<\/td>180<\/td><\/tr>
B<\/td>50<\/td><\/td>T<\/td>190<\/td><\/tr>
C<\/td>60<\/td><\/td>U<\/td>200<\/td><\/tr>
D<\/td>65<\/td><\/td>H<\/td>210<\/td><\/tr>
E<\/td>70<\/td><\/td>V<\/td>240<\/td><\/tr>
F<\/td>80<\/td><\/td>W<\/td>270<\/td><\/tr>
G<\/td>90<\/td><\/td>Y<\/td>300<\/td><\/tr>
J<\/td>100<\/td><\/td>ZR<\/td>240+<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Load Range & the Ply-rating<\/h2>\n\n\n\n

Tire load range refers to the tire\u2019s ply rating and its ability to carry a specified load at a specified air pressure. Historically, this was determined by the number of physical plies in a tire. Today, it\u2019s a standardized rating system that represents strength and load-carrying capacity, not actual ply count.<\/p>\n\n\n\n

You’ll typically see load ranges labeled as:<\/p>\n\n\n\n

    \n
  • Load Range C (6-ply rating)<\/li>\n\n\n\n
  • Load Range D (8-ply rating)<\/li>\n\n\n\n
  • Load Range E (10-ply rating)<\/li>\n\n\n\n
  • Load Range F and above (for heavy-duty\/commercial use)<\/li>\n<\/ul>\n\n\n\n
    Load RANGE<\/td>PLY-RATING<\/td><\/tr>
    A<\/td>2<\/td><\/tr>
    B<\/td>4<\/td><\/tr>
    C<\/td>6<\/td><\/tr>
    D<\/td>8<\/td><\/tr>
    E<\/td>10<\/td><\/tr>
    F<\/td>12<\/td><\/tr>
    G<\/td>14<\/td><\/tr>
    H<\/td>16<\/td><\/tr>
    J<\/td>18<\/td><\/tr>
    L<\/td>20<\/td><\/tr>
    M<\/td>22<\/td><\/tr>
    N<\/td>24<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/p>\n","protected":false},"excerpt":{"rendered":"

    Tire Load Index & its Load Capacity The load index is a standardized measurement used globally to ensure that tires are matched correctly to a vehicle’s weight requirements \u2013 thus acting as a safety threshold that prevents structural failure under stress. It is a numerical code that represents the maximum weight capacity each tire can safely support. […]<\/p>\n","protected":false},"author":4,"featured_media":697,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-686","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology"],"acf":[],"_links":{"self":[{"href":"https:\/\/nexxustires.com\/lo\/wp-json\/wp\/v2\/posts\/686","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nexxustires.com\/lo\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nexxustires.com\/lo\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nexxustires.com\/lo\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/nexxustires.com\/lo\/wp-json\/wp\/v2\/comments?post=686"}],"version-history":[{"count":6,"href":"https:\/\/nexxustires.com\/lo\/wp-json\/wp\/v2\/posts\/686\/revisions"}],"predecessor-version":[{"id":695,"href":"https:\/\/nexxustires.com\/lo\/wp-json\/wp\/v2\/posts\/686\/revisions\/695"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nexxustires.com\/lo\/wp-json\/wp\/v2\/media\/697"}],"wp:attachment":[{"href":"https:\/\/nexxustires.com\/lo\/wp-json\/wp\/v2\/media?parent=686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nexxustires.com\/lo\/wp-json\/wp\/v2\/categories?post=686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nexxustires.com\/lo\/wp-json\/wp\/v2\/tags?post=686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}