Heart rate (bpm) = 60000 / cycle length
Cycle length (ms) = 60000 / heart rate
| Heart rate (BPM) | Cycle length (ms) | Heart rate (BPM) | Cycle length (ms) |
|---|---|---|---|
| 20 | 3000 | 215 | 279 |
| 25 | 2400 | 220 | 273 |
| 30 | 2000 | 225 | 267 |
| 35 | 1714 | 230 | 261 |
| 40 | 1500 | 235 | 255 |
| 45 | 1333 | 240 | 250 |
| 50 | 1200 | 245 | 245 |
| 55 | 1091 | 250 | 240 |
| 60 | 1000 | 255 | 235 |
| 65 | 923 | 260 | 231 |
| 70 | 857 | 265 | 226 |
| 75 | 800 | 270 | 222 |
| 80 | 750 | 275 | 218 |
| 85 | 706 | 280 | 214 |
| 90 | 667 | 285 | 211 |
| 95 | 632 | 290 | 207 |
| 100 | 600 | 295 | 203 |
| 105 | 571 | 300 | 200 |
| 110 | 545 | 305 | 197 |
| 115 | 522 | 310 | 194 |
| 120 | 500 | 315 | 190 |
| 125 | 480 | 320 | 188 |
| 130 | 462 | 325 | 185 |
| 135 | 444 | 330 | 182 |
| 140 | 429 | 335 | 179 |
| 145 | 414 | 340 | 176 |
| 150 | 400 | 345 | 174 |
| 155 | 387 | 350 | 171 |
| 160 | 375 | 355 | 169 |
| 165 | 364 | 360 | 167 |
| 170 | 353 | 365 | 164 |
| 175 | 343 | 370 | 162 |
| 180 | 333 | 375 | 160 |
| 185 | 324 | 380 | 158 |
| 190 | 316 | 385 | 156 |
| 195 | 308 | 390 | 154 |
| 200 | 300 | 395 | 152 |
| 205 | 293 | 400 | 150 |
