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Input |
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Offset Backspacing
Input |
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Output |
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| Please enter Offset or Backspacing |
Hide Chart
| Offset | Width | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| -57 | 0.76" | 1.01" | 1.26" | 1.51" | 1.76" | 2.01" | 2.26" | 2.51" | 2.76" | 3.01" | 3.26" | 3.51" | 3.76" | 4.01" | 4.26" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| -44 | 1.27" | 1.52" | 1.77" | 2.02" | 2.27" | 2.52" | 2.77" | 3.02" | 3.27" | 3.52" | 3.77" | 4.02" | 4.27" | 4.52" | 4.77" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| -38 | 1.50" | 1.75" | 2.00" | 2.25" | 2.50" | 2.75" | 3.00" | 3.25" | 3.50" | 3.75" | 4.00" | 4.25" | 4.50" | 4.75" | 5.00" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| -32 | 1.74" | 1.99" | 2.24" | 2.49" | 2.74" | 2.99" | 3.24" | 3.49" | 3.74" | 3.99" | 4.24" | 4.49" | 4.74" | 4.99" | 5.24" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| -25 | 2.02" | 2.27" | 2.52" | 2.77" | 3.02" | 3.27" | 3.52" | 3.77" | 4.02" | 4.27" | 4.52" | 4.77" | 5.02" | 5.27" | 5.52" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| -19 | 2.25" | 2.50" | 2.75" | 3.00" | 3.25" | 3.50" | 3.75" | 4.00" | 4.25" | 4.50" | 4.75" | 5.00" | 5.25" | 5.50" | 5.75" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| -12 | 2.53" | 2.78" | 3.03" | 3.28" | 3.53" | 3.78" | 4.03" | 4.28" | 4.53" | 4.78" | 5.03" | 5.28" | 5.53" | 5.78" | 6.03" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| -6 | 2.76" | 3.01" | 3.26" | 3.51" | 3.76" | 4.01" | 4.26" | 4.51" | 4.76" | 5.01" | 5.26" | 5.51" | 5.76" | 6.01" | 6.26" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 0 | 3.00" | 3.25" | 3.50" | 3.75" | 4.00" | 4.25" | 4.50" | 4.75" | 5.00" | 5.25" | 5.50" | 5.75" | 6.00" | 6.25" | 6.50" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 6 | 3.24" | 3.49" | 3.74" | 3.99" | 4.24" | 4.49" | 4.74" | 4.99" | 5.24" | 5.49" | 5.74" | 5.99" | 6.24" | 6.49" | 6.74" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 12 | 3.47" | 3.72" | 3.97" | 4.22" | 4.47" | 4.72" | 4.97" | 5.22" | 5.47" | 5.72" | 5.97" | 6.22" | 6.47" | 6.72" | 6.97" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 19 | 3.75" | 4.00" | 4.25" | 4.50" | 4.75" | 5.00" | 5.25" | 5.50" | 5.75" | 6.00" | 6.25" | 6.50" | 6.75" | 7.00" | 7.25" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 32 | 4.26" | 4.51" | 4.76" | 5.01" | 5.26" | 5.51" | 5.76" | 6.01" | 6.26" | 6.51" | 6.76" | 7.01" | 7.26" | 7.51" | 7.76" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 38 | 4.50" | 4.75" | 5.00" | 5.25" | 5.50" | 5.75" | 6.00" | 6.25" | 6.50" | 6.75" | 7.00" | 7.25" | 7.50" | 7.75" | 8.00" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 44 | 4.73" | 4.98" | 5.23" | 5.48" | 5.73" | 5.98" | 6.23" | 6.48" | 6.73" | 6.98" | 7.23" | 7.48" | 7.73" | 7.98" | 8.23" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 51 | 5.01" | 5.26" | 5.51" | 5.76" | 6.01" | 6.26" | 6.51" | 6.76" | 7.01" | 7.26" | 7.51" | 7.76" | 8.01" | 8.26" | 8.51" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 57 | 5.24" | 5.49" | 5.74" | 5.99" | 6.24" | 6.49" | 6.74" | 6.99" | 7.24" | 7.49" | 7.74" | 7.99" | 8.24" | 8.49" | 8.74" | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Proration Calculator
Input
Output
Speed Rating
| Rating Symbol | Speed (KMH) | Speed (MPH) | Rating Symbol | Speed (KMH) | Speed (MPH) |
|---|---|---|---|---|---|
| B | 50 | 31 | P | 150 | 93 |
| C | 60 | 37 | Q | 160 | 99 |
| D | 65 | 40 | R | 170 | 106 |
| E | 70 | 43 | S | 180 | 112 |
| F | 80 | 50 | T | 190 | 118 |
| G | 90 | 56 | U | 200 | 124 |
| J | 100 | 62 | H | 210 | 130 |
| K | 110 | 68 | V | 240 | 149 |
| L | 120 | 75 | W* | 270 | 168 |
| M | 130 | 81 | Y* | 300 | 185 |
| N | 140 | 87 | |||
For tires with a maximum speed capability above 149mph, a ZR MAY appear in the size description.
For tires with a maximum speed capability above 186mph, a ZR MUST appear in the size description.
Staggered Fitment
Input
Old
Front
New
Front
Back
Back
Output
| Front | Old | New | Difference | |||
|---|---|---|---|---|---|---|
| Sidewall Height | Output | Output | Output | |||
| Section Width | Output | Output | Output | |||
| Overall Diameter | Output | Output | Output | |||
| Rear | Old | New | Difference | |||
| Sidewall Height | Output | Output | Output | |||
| Section Width | Output | Output | Output | |||
| Overall Diameter | Output | Output | Output | |||
| Overall Diameter Diff. Between Sets | Old | New | ||||
| Front | Output | Output | ||||
| Rear | Output | Output | ||||
| Difference | Output | Output | ||||
Tire Size (Metric/High Float)
Input
Old Sizes
/
R
New Sizes
/
R
You are
traveling about
traveling about
67
Output
| Totals | Old Tire | New Tire | Difference |
|---|---|---|---|
| Sidewall Height | test | test | test |
| Selection Width | test | test | test |
| Overall Diameter | test | test | test |
| Tire Circumference | test | test | test |
| Rev. / Mile | test | test | test |
Tire to Wheel Width
| P-Metric | 70 to 85 | 50 to 65 | 45 | 35 to 40 | 20 to 30 | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| TIRE WIDTH | MIN | MAX | MIN | MAX | MIN | MAX | MIN | MAX | MIN | MAX |
| P-Metric | 70 to 85 | 50 to 65 | 45 | 35 to 40 | 20 to 30 | |||||
| TIRE WIDTH | MIN | MAX | MIN | MAX | MIN | MAX | MIN | MAX | MIN | MAX | 165 | 4 | 5.5 | 4.5 | 6 | 5 | 6.5 | 5.5 | 6.5 | 5 | 6.5 |
| 175 | 4.5 | 6 | 4.5 | 6.5 | 5.5 | 6.5 | 5.5 | 7 | 5.5 | 7 |
| 185 | 4.5 | 6.5 | 5 | 7 | 5.5 | 7 | 6 | 7.5 | 6 | 7.5 |
| 195 | 5 | 6.5 | 5 | 7 | 6 | 7.5 | 6.5 | 8 | 6 | 7.5 |
| 205 | 5 | 7 | 5.5 | 7.5 | 6 | 8 | 6.5 | 8.5 | 6.5 | 8 |
| 215 | 5.5 | 7.5 | 5.5 | 8 | 6.5 | 8.5 | 7 | 8.5 | 7 | 8.5 |
| 225 | 5.5 | 8 | 6 | 8 | 7 | 8.5 | 7 | 9 | 7 | 8.5 |
| 235 | 6 | 8 | 6 | 8.5 | 7 | 9 | 7.5 | 9.5 | 7.5 | 9 |
| 245 | 6 | 8.5 | 6.5 | 9 | 7.5 | 9.5 | 8 | 10 | 8 | 9.5 |
| 255 | 6.5 | 9 | 6.5 | 9.5 | 7.5 | 10 | 8 | 10.5 | 8 | 10 |
| 265 | 6.5 | 9 | 7 | 9.5 | 8 | 10 | 8.5 | 10.5 | 8.5 | 10 |
| 275 | 7 | 9.5 | 7.5 | 10 | 8.5 | 10.5 | 9 | 11 | 9 | 10.5 |
| 285 | 7 | 10 | 7.5 | 10.5 | 8.5 | 11 | 9 | 11.5 | 9 | 11 |
| 295 | 7 | 10 | 8 | 11 | 9 | 11.5 | 9.5 | 12 | 9.5 | 11.5 |
| 305 | 7.5 | 10.5 | 8 | 11 | 9 | 11.5 | 10 | 12.5 | 10 | 11.5 |
| 315 | 7.5 | 11 | 8.5 | 11.5 | 9.5 | 12 | 10 | 13 | 10 | 12 |
| 325 | 8 | 11 | 8.5 | 12 | 10 | 12.5 | 10.5 | 13 | 10.5 | 12.5 |
| 335 | 8 | 11.5 | 9 | 12 | 10 | 13 | 11 | 13.5 | 11 | 12.5 |
| 345 | 8.5 | 12 | 9 | 12.5 | 10.5 | 13.5 | 11 | 14 | 11 | 13 |
| 355 | 8.5 | 12 | 9.5 | 13 | 10.5 | 13.5 | 11.5 | 14.5 | 11.5 | 13.5 |
| LT-Metric | 85 to 90 | 70 to 80 | 50 to 65 | 45 | ||||
|---|---|---|---|---|---|---|---|---|
| TIRE WIDTH | MIN | MAX | MIN | MAX | MIN | MAX | MIN | MAX |
| 165 | 4 | 5.5 | 4 | 5.5 | 4.5 | 6 | 5 | 6.5 |
| 175 | 4.5 | 5.5 | 4.5 | 6 | 5 | 6.5 | 5.5 | 6.5 |
| 185 | 4.5 | 6 | 4.5 | 6.5 | 5 | 7 | 5.5 | 7 |
| 195 | 5 | 6.5 | 5 | 6.5 | 5.5 | 7 | 6 | 7.5 |
| 205 | 5 | 6.5 | 5 | 7 | 6 | 7.5 | 6 | 8 |
| 215 | 5.5 | 7 | 5.5 | 7.5 | 6 | 8 | 6.5 | 8.5 |
| 225 | 5.5 | 7.5 | 5.5 | 8 | 6.5 | 8 | 7 | 8.5 |
| 235 | 6 | 7.5 | 6 | 8 | 6.5 | 8.5 | 7 | 9 |
| 245 | 6 | 8 | 6 | 8.5 | 7 | 9 | 7.5 | 9.5 |
| 255 | 6.5 | 8.5 | 6.5 | 9 | 7 | 9.5 | 7.5 | 10 |
| 265 | 6.5 | 8.5 | 6.5 | 9 | 7.5 | 9.5 | 8 | 10 |
| 275 | 7 | 9 | 7 | 9.5 | 7.5 | 10 | 8.5 | 10.5 |
| 285 | 7 | 9 | 7 | 10 | 8 | 10.5 | 8.5 | 11 |
| 295 | 7 | 9.5 | 7 | 10 | 8 | 11 | 9 | 11.5 |
| 305 | 7.5 | 10 | 7.5 | 10.5 | 8.5 | 11 | 9 | 11.5 |
| 315 | 7.5 | 10 | 7.5 | 11 | 8.5 | 11.5 | 9.5 | 12 |
| 325 | 8 | 10.5 | 8 | 11 | 9 | 12 | 10 | 12.5 |
| 335 | 8 | 11 | 8 | 11.5 | 9.5 | 12 | 10 | 13 |
| 345 | 8.5 | 11 | 8.5 | 12 | 10 | 12.5 | 10.5 | 13.5 |
| 355 | 8.5 | 11.5 | 8.5 | 12 | 10 | 13 | 10.5 | 13.5 |
| LT-HF | 15 | 16 | 17 | 18 | 20 | 22 | 24 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TIRE WIDTH | MIN | MAX | MIN | MAX | MIN | MAX | MIN | MAX | MIN | MAX | MIN | MAX | MIN | MAX |
| 30x9.50 | 6 | 8.5 | 6 | 8.5 | 6.5 | 9 | 6.5 | 9 | 6.5 | 9 | 6.5 | 9 | 6.5 | 9 |
| 31x9.50 | 6 | 8.5 | 6 | 8.5 | 6 | 8.5 | 6.5 | 9 | 6.5 | 9 | 6.5 | 9 | 6.5 | 9 |
| 31x10.50 | 6.5 | 9.5 | 6.5 | 9.5 | 7 | 10 | 7 | 10 | 7 | 10 | 7 | 10 | 7 | 10 |
| 31x11.50 | 7.5 | 11 | 7.5 | 11 | 7.5 | 11 | 7.5 | 11 | 7.5 | 11 | 7.5 | 11 | 7.5 | 11 |
| 32x10.50 | 6.5 | 9.5 | 6.5 | 9.5 | 6.5 | 9.5 | 7 | 10 | 7 | 10 | 7 | 10 | 7 | 10 |
| 32x11.50 | 7 | 10.5 | 7.5 | 11 | 7.5 | 11 | 7.5 | 11 | 7.5 | 11 | 7.5 | 11 | 7.5 | 11 |
| 32x12.50 | 8.5 | 12 | 8.5 | 12 | 8.5 | 12 | 8.5 | 12 | 8.5 | 12 | 8.5 | 12 | 8.5 | 12 |
| 33x9.50 | 6 | 8.5 | 6 | 8.5 | 6 | 8.5 | 6 | 8.5 | 6.5 | 9 | 6.5 | 9 | 6.5 | 9 |
| 33x10.50 | 6.5 | 9.5 | 6.5 | 9.5 | 6.5 | 9.5 | 6.5 | 9.5 | 7 | 10 | 7 | 10 | 7 | 10 |
| 33x11.50 | 7 | 10.5 | 7 | 10.5 | 7.5 | 11 | 7.5 | 11 | 7.5 | 11 | 7.5 | 11 | 7.5 | 11 |
| 33x12.50 | 7.5 | 11.5 | 8.5 | 12 | 8.5 | 12 | 8.5 | 12 | 8.5 | 12 | 8.5 | 12 | 8.5 | 12 |
| 33x13.50 | 9 | 13 | 9 | 13 | 9 | 13 | 9 | 13 | 9 | 13 | 9 | 13 | 9 | 13 |
| 35x11.50 | 7 | 10.5 | 7 | 10.5 | 7 | 10.5 | 7 | 10.5 | 7.5 | 11 | 7.5 | 11 | 7.5 | 11 |
| 35x12.50 | 7.5 | 11.5 | 7.5 | 11.5 | 7.5 | 11.5 | 8.5 | 12 | 8.5 | 12 | 8.5 | 12 | 8.5 | 12 |
| 35x13.50 | 8.5 | 12.5 | 8.5 | 12.5 | 9 | 13 | 9 | 13 | 9 | 13 | 9 | 13 | 9 | 13 |
| 35x14.50 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 |
| 36x12.50 | 7.5 | 11.5 | 7.5 | 11.5 | 7.5 | 11.5 | 7.5 | 11.5 | 8.5 | 12 | 8.5 | 12 | 8.5 | 12 |
| 36x13.50 | 8.5 | 12.5 | 8.5 | 12.5 | 8.5 | 12.5 | 9 | 13 | 9 | 13 | 9 | 13 | 9 | 13 |
| 36x14.50 | 9 | 13 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 |
| 36x15.50 | 10.5 | 15 | 10.5 | 15 | 10.5 | 15 | 10.5 | 15 | 10.5 | 15 | 10.5 | 15 | 10.5 | 15 |
| 37x11.50 | 7 | 10.5 | 7 | 10.5 | 7 | 10.5 | 7 | 10.5 | 7 | 10.5 | 7.5 | 11 | 7.5 | 11 |
| 37x12.50 | 7.5 | 11.5 | 7.5 | 11.5 | 7.5 | 11.5 | 7.5 | 11.5 | 8.5 | 12 | 8.5 | 12 | 8.5 | 12 |
| 37x13.50 | 8.5 | 12.5 | 8.5 | 12.5 | 8.5 | 12.5 | 8.5 | 12.5 | 9 | 13 | 9 | 13 | 9 | 13 |
| 37x14.50 | 9 | 13 | 9 | 13 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 |
| 38x13.50 | 8.5 | 12.5 | 8.5 | 12.5 | 8.5 | 12.5 | 8.5 | 12.5 | 9 | 13 | 9 | 13 | 9 | 13 |
| 38x14.50 | 9 | 13 | 9 | 13 | 9 | 13 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 |
| 38x15.50 | 9.5 | 14 | 9.5 | 14 | 10.5 | 15 | 10.5 | 15 | 10.5 | 15 | 10.5 | 15 | 10.5 | 15 |
| 39x13.50 | 8.5 | 12.5 | 8.5 | 12.5 | 8.5 | 12.5 | 8.5 | 12.5 | 8.5 | 12.5 | 9 | 13 | 9 | 13 |
| 39x14.50 | 9 | 13 | 9 | 13 | 9 | 13 | 9 | 13 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 |
| 39x15.50 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 | 10.5 | 15 | 10.5 | 15 | 10.5 | 15 | 10.5 | 15 |
| 40x13.50 | 8.5 | 12.5 | 8.5 | 12.5 | 8.5 | 12.5 | 8.5 | 12.5 | 8.5 | 12.5 | 9 | 13 | 9 | 13 |
| 40x14.50 | 9 | 13 | 9 | 13 | 9 | 13 | 9 | 13 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 |
| 40x15.50 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 | 9.5 | 14 | 10.5 | 15 | 10.5 | 15 | 10.5 | 15 |
| 42x14.50 | 9 | 13 | 9 | 13 | 9 | 13 | 9 | 13 | 9 | 13 | 9.5 | 14 | 9.5 | 14 |
| 42x15.00 | 9.5 | 13.5 | 9.5 | 13.5 | 9.5 | 13.5 | 9.5 | 13.5 | 9.5 | 13.5 | 10 | 14.5 | 10 | 14.5 |
| Euro C | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 95 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tire Width | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max |
| 165 | 0 | 0 | 0 | 0 | 5 | 5.5 | 4 | 5 | 4.5 | 5 | 4.5 | 5 | 4 | 5 | 5 | 5.5 | 0 | 0 | 0 | 0 |
| 175 | 0 | 0 | 0 | 0 | 0 | 0 | 4.5 | 5.5 | 5 | 5.5 | 4.5 | 5.5 | 4.5 | 5.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 185 | 0 | 0 | 0 | 0 | 5.5 | 6 | 5.5 | 6 | 5 | 6 | 5 | 6 | 4.5 | 6 | 5.5 | 6 | 0 | 0 | 0 | 0 |
| 195 | 0 | 0 | 0 | 0 | 5 | 6 | 5.5 | 6.5 | 5.5 | 6 | 5 | 6 | 5 | 6 | 0 | 0 | 0 | 0 | 0 | 0 |
| 205 | 0 | 0 | 0 | 0 | 6 | 6.5 | 6 | 6.5 | 5.5 | 6.5 | 5.5 | 6.5 | 5 | 6.5 | 6 | 6.5 | 0 | 0 | 0 | 0 |
| 215 | 0 | 0 | 6.5 | 7 | 6.5 | 7 | 6 | 7 | 6 | 7 | 5.5 | 7 | 5.5 | 7 | 6.5 | 7 | 6.5 | 7 | 0 | 0 |
| 225 | 6 | 7 | 6.5 | 7.5 | 6.5 | 7.5 | 6.5 | 7.5 | 6 | 7 | 6 | 7 | 6 | 7 | 6.5 | 7.5 | 6.5 | 7.5 | 0 | 0 |
| 235 | 6 | 7.5 | 7 | 7.5 | 0 | 0 | 6.5 | 7.5 | 6.5 | 7.5 | 6.5 | 7.5 | 6.5 | 7.5 | 0 | 0 | 7 | 7.5 | 0 | 0 |
| 245 | 7.5 | 8.5 | 0 | 0 | 0 | 0 | 6.5 | 7.5 | 6.5 | 7.5 | 6.5 | 7.5 | 6.5 | 7.5 | 0 | 0 | 0 | 0 | 7.5 | 8.5 |
| 255 | 0 | 0 | 7.5 | 8 | 7.5 | 8.5 | 6.5 | 8 | 7 | 8 | 7 | 8 | 6.5 | 8 | 7.5 | 8.5 | 7.5 | 8.5 | 0 | 0 |
| 265 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 8.5 | 7 | 8.5 | 7 | 8.5 | 7 | 8.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 285 | 0 | 0 | 0 | 0 | 8.5 | 9.5 | 0 | 0 | 8 | 9 | 8 | 9 | 0 | 0 | 8.5 | 9.5 | 0 | 0 | 0 | 0 |
| 295 | 0 | 0 | 0 | 0 | 0 | 0 | 8.5 | 9.5 | 0 | 0 | 0 | 0 | 8.5 | 9.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| High Load | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tire Width | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max |
| 225 | 7.5 | 8.5 | 7.5 | 8.5 | 7.5 | 8.5 | 7 | 8 | 6.5 | 7.5 | 6.5 | 7.5 | 6 | 7 | 6 | 7 | 6 | 7 |
| 235 | 8 | 9 | 8 | 9 | 8 | 9 | 7.5 | 8.5 | 7 | 8 | 7 | 8 | 6.5 | 7.5 | 6.5 | 7.5 | 6.5 | 7.5 |
| 245 | 8 | 9 | 8 | 9 | 8 | 9 | 7.5 | 8.5 | 7 | 8 | 7 | 8 | 6.5 | 7.5 | 6.5 | 7.5 | 6.5 | 7.5 |
| 255 | 8.5 | 9.5 | 8.5 | 9.5 | 8.5 | 9.5 | 8 | 9 | 7.5 | 8.5 | 7.5 | 8.5 | 7 | 8 | 7 | 8 | 7 | 8 |
| 265 | 9 | 10 | 9 | 10 | 9 | 10 | 8.5 | 9.5 | 8 | 9 | 8 | 9 | 7.5 | 8.5 | 7.5 | 8.5 | 7.5 | 8.5 |
| 275 | 9 | 10 | 9 | 10 | 9 | 10 | 8.5 | 9.5 | 8 | 9 | 8 | 9 | 7.5 | 8.5 | 7.5 | 8.5 | 7.5 | 8.5 |
| 285 | 9.5 | 10.5 | 9.5 | 10.5 | 9.5 | 10.5 | 9 | 10 | 8.5 | 9.5 | 8.5 | 9.5 | 8 | 9 | 8 | 9 | 0 | 0 |
| 295 | 10 | 11 | 10 | 11 | 10 | 11 | 9.5 | 10.5 | 9 | 10 | 9 | 10 | 8 | 9 | 0 | 0 | 0 | 0 |
| 305 | 10.5 | 11.5 | 10.5 | 11.5 | 10.5 | 11.5 | 9.5 | 10.5 | 9 | 10 | 9 | 10 | 0 | 0 | 0 | 0 | 0 | 0 |
| 315 | 10.5 | 11.5 | 10.5 | 11.5 | 10.5 | 11.5 | 10 | 11 | 9.5 | 10.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 325 | 11 | 12 | 11 | 12 | 11 | 12 | 10.5 | 11.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 335 | 11.5 | 12.5 | 11.5 | 12.5 | 11.5 | 12.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 345 | 11.5 | 12.5 | 11.5 | 12.5 | 11.5 | 12.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 355 | 12 | 13 | 12 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 365 | 12.5 | 13.5 | 12.5 | 13.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Trailer
Input
Output
Load Requirement
Gross Axis Weight Rating
Load Requirement Per Tire
VIN Lookup
Input
Enter 10th digit of VIN
Model Year:
Output
Hide Chart
| 10th Digit | Model Year | 10th Digit | Model Year | 10th Digit | Model Year | 10th Digit | Model Year |
|---|---|---|---|---|---|---|---|
| A | 1980 | O | Not Used | 3 | 2003 | G | 2016 |
| B | 1981 | P | 1993 | 4 | 2004 | H | 2017 |
| C | 1982 | Q | Not Used | 5 | 2005 | I | Not Used |
| D | 1983 | R | 1994 | 6 | 2006 | J | 2018 |
| E | 1984 | S | 1995 | 7 | 2007 | K | 2019 |
| F | 1985 | T | 1996 | 8 | 2008 | L | 2020 |
| G | 1986 | U | Not Used | 9 | 2009 | M | 2021 |
| H | 1987 | V | 1997 | A | 2010 | N | 2022 |
| I | Not Used | W | 1998 | B | 2011 | O | Not Used |
| J | 1988 | X | 1999 | C | 2012 | P | 2023 |
| K | 1989 | Y | 2000 | D | 2013 | Q | Not Used |
| L | 1990 | Z | Not Used | E | 2014 | R | 2024 |
| M | 1991 | N | 2001 | F | 2015 | S | 2025 |
| N | 1992 | 2 | 2002 | ||||
Vintage Tire Sizes
| PRE-1964 | 1965-72 | 80 SERIES METRIC | ALPHA NUMERIC 78 SERIES | SERIES P-METRIC 75 SERIES RADIAL | P-METRIC 70 SERIES RADIAL |
|---|---|---|---|---|---|
| 5.90-13 | 600-13 | 165-13 | A78-13 | P165/75R13 | P175/70R13 |
| 6.40-13 | 650-13 | 175-13 | B78-13 | P175/75R13 | P185/70R13 |
| 7.25-13 | 700-13 | 185-13 | D78-13 | P185/75R13 | P205/70R13 |
| 5.90-14 | 645-14 | 155-14 | B78-14 | P175/75R14 | P185/70R14 |
| 6.50-14 | 695-14 | 175-14 | C78-14 | P185/75R14 | P195/70R14 |
| 7.00-14 | 735-14 | 185-14 | E78-14 | P195/75R14 | P205/70R14 |
| 7.50-14 | 775-14 | 195-14 | F78-14 | P205/75R14 | P215/70R14 |
| 8.00-14 | 825-14 | 205-14 | G78-14 | P215/75R14 | P225/70R14 |
| 8.50-14 | 855-14 | 215-14 | H78-14 | P225/75R14 | P235/70R14 |
| 5.90-15 | 600-15 | 165-15 | A78-15 | P165/75R15 | P175/70R15 |
| 6.50-15 | 685-15 | 175-15 | C78-15 | P175/75R15 | P185/70R15 |
| 6.40-15 | 735-15 | 185-15 | E78-15 | P195/75R15 | P205/70R15 |
| 6.70-15 | 775-15 | 195-15 | F78-15 | P205/75R15 | P215/70R15 |
| 7.10-15 | 825-15 | 205-15 | G78-15 | P215/75R15 | P225/70R15 |
| 7.60-15 | 855-15 | 215-15 | H78-15 | P225/75R15 | P235/70R15 |
| 8.00-15 | 885-15 | 230-15 | J78-15 | P225/75R15 | P235/70R15 |
| 8.20-15 | 900-15 | 235-15 | L78-15 | P235/75R15 | P255/70R15 |