Gear Calculator
Step 1: Enter Final gear ratio (differential)
Step 2: Enter Tire Size
Step 3: Enter Gearbox Ratios
| 1st | 2nd | 3rd | 4th | 5th | 6th | ||
|---|---|---|---|---|---|---|---|
| Ratio: | |||||||
| Displayed speeds are in | |||||||
| RPM | 1st | 2nd | 3rd | 4th | 5th | 6th | |
| 750 | 4 | 7 | 11 | 15 | 19 | ||
| 1000 | 5 | 9 | 14 | 20 | 25 | ||
| 1250 | 7 | 12 | 18 | 25 | 31 | ||
| 1500 | 8 | 14 | 22 | 30 | 38 | ||
| 1750 | 9 | 16 | 25 | 36 | 44 | ||
| 2000 | 11 | 18 | 29 | 41 | 50 | ||
| 2250 | 12 | 21 | 33 | 46 | 56 | ||
| 2500 | 13 | 23 | 36 | 51 | 63 | ||
| 2750 | 15 | 25 | 40 | 56 | 69 | ||
| 3000 | 16 | 28 | 43 | 61 | 75 | ||
| 3250 | 17 | 30 | 47 | 66 | 81 | ||
| 3500 | 19 | 32 | 51 | 71 | 88 | ||
| 3750 | 20 | 35 | 54 | 76 | 94 | ||
| 4000 | 21 | 37 | 58 | 81 | 100 | ||
| 4250 | 23 | 39 | 62 | 86 | 107 | ||
| 4500 | 24 | 42 | 65 | 91 | 113 | ||
| 4750 | 25 | 44 | 69 | 96 | 119 | ||
| 5000 | 27 | 46 | 72 | 101 | 125 | ||
| 5250 | 28 | 48 | 76 | 107 | 132 | ||
| 5500 | 29 | 51 | 80 | 112 | 138 | ||
| 5750 | 30 | 53 | 83 | 117 | 144 | ||
| 6000 | 32 | 55 | 87 | 122 | 150 | ||
| 6250 | 33 | 58 | 91 | 127 | 157 | ||
| 6500 | 34 | 60 | 94 | 132 | 163 | ||
| 6750 | 36 | 62 | 98 | 137 | 169 | ||
| 7000 | 37 | 65 | 101 | 142 | 175 | ||
| 7250 | 38 | 67 | 105 | 147 | 182 | ||
| 7500 | 40 | 69 | 109 | 152 | 188 | ||
| 7750 | 41 | 72 | 112 | 157 | 194 | ||
| 8000 | 42 | 74 | 116 | 162 | 200 | ||
| 8250 | 44 | 76 | 120 | 167 | 207 | ||
| 8500 | 45 | 78 | 123 | 173 | 213 | ||
| 8750 | 46 | 81 | 127 | 178 | 219 | ||
| 9000 | 48 | 83 | 130 | 183 | 226 | ||
| 9250 | 49 | 85 | 134 | 188 | 232 | ||
| 9500 | 50 | 88 | 138 | 193 | 238 | ||
| 9750 | 52 | 90 | 141 | 198 | 244 | ||
| 10000 | 53 | 92 | 145 | 203 | 251 | ||