Convert Feet per second to Kt
Speed Converter
Easily convert between Kilometers per Hour (km/h), Miles per Hour (mph), Meters per Second (m/s), Feet per Second (ft/s), Knots (kt), and Mach. Whether you're measuring car speed, aircraft velocity, or physics experiment values, this tool gives you fast and accurate conversions.
Why Use It?
- Ideal for travel, sports timing, aeronautics, and scientific calculations.
- Converts between metric and imperial speed units.
- Accurate to four decimal places.
- Great for students, pilots, athletes, and engineers alike.
Popular Conversions
- Kilometers per Hour to Miles per Hour
- Miles per Hour to Kilometers per Hour
- Meters per Second to Feet per Second
- Feet per Second to Meters per Second
- Knots to Miles per Hour
- Miles per Hour to Knots
Common Speed Units and Their Uses
Kilometers per Hour (km/h)
Common for road speeds worldwide.
Miles per Hour (mph)
Used in U.S./UK for road speeds.
Meters per Second (m/s)
SI unit, science and engineering.
Feet per Second (ft/s)
Used in ballistics and physics.
Knots (kt)
Maritime and aviation speed.
Mach
Relative to speed of sound.
Real-World Use Cases for Speed Conversion
Travel
Convert car or bike speeds while abroad.
Aviation & Marine
Standardize speeds in navigation and transportation.
Athletics
Analyze race speeds and training performance.
Physics & Engineering
Solve speed-related problems in technical fields.
Aerospace
Calculate and compare speeds near the sound barrier.
Frequently Asked Questions
What is Mach speed?
Mach is a ratio comparing an object's speed to the speed of sound in air. Mach 1 equals the speed of sound (approx. 343 m/s or 1,235 km/h) at sea level under standard atmospheric conditions.
How many mph is 100 km/h?
100 kilometers per hour is approximately 62.1371 miles per hour.
Why do airplanes use knots instead of km/h or mph?
Knots are based on nautical miles, which relate closely to lines of latitude and longitude. This makes them especially useful for navigation over the Earth's curved surface.
Are m/s and km/h interchangeable?
They measure the same quantity (speed), but 1 m/s = 3.6 km/h. So, they are not numerically equivalent and require conversion.
Feet per second (ft/s) to Knots (kt) Conversion Table
| Feet per second (ft/s) | Knots (kt) |
|---|---|
| 1 | 0.593 |
| 2 | 1.185 |
| 3 | 1.778 |
| 4 | 2.37 |
| 5 | 2.962 |
| 6 | 3.555 |
| 7 | 4.147 |
| 8 | 4.74 |
| 9 | 5.332 |
| 10 | 5.925 |
| 11 | 6.517 |
| 12 | 7.11 |
| 13 | 7.702 |
| 14 | 8.295 |
| 15 | 8.887 |
| 16 | 9.48 |
| 17 | 10.072 |
| 18 | 10.665 |
| 19 | 11.257 |
| 20 | 11.85 |
| 21 | 12.442 |
| 22 | 13.035 |
| 23 | 13.627 |
| 24 | 14.22 |
| 25 | 14.812 |
| 26 | 15.405 |
| 27 | 15.997 |
| 28 | 16.59 |
| 29 | 17.182 |
| 30 | 17.775 |
| 31 | 18.367 |
| 32 | 18.96 |
| 33 | 19.552 |
| 34 | 20.144 |
| 35 | 20.737 |
| 36 | 21.329 |
| 37 | 21.922 |
| 38 | 22.514 |
| 39 | 23.107 |
| 40 | 23.699 |
| 41 | 24.292 |
| 42 | 24.884 |
| 43 | 25.477 |
| 44 | 26.069 |
| 45 | 26.662 |
| 46 | 27.254 |
| 47 | 27.847 |
| 48 | 28.439 |
| 49 | 29.032 |
| 50 | 29.624 |
| 51 | 30.217 |
| 52 | 30.809 |
| 53 | 31.402 |
| 54 | 31.994 |
| 55 | 32.587 |
| 56 | 33.179 |
| 57 | 33.772 |
| 58 | 34.364 |
| 59 | 34.957 |
| 60 | 35.549 |
| 61 | 36.142 |
| 62 | 36.734 |
| 63 | 37.327 |
| 64 | 37.919 |
| 65 | 38.511 |
| 66 | 39.104 |
| 67 | 39.696 |
| 68 | 40.289 |
| 69 | 40.881 |
| 70 | 41.474 |
| 71 | 42.066 |
| 72 | 42.659 |
| 73 | 43.251 |
| 74 | 43.844 |
| 75 | 44.436 |
| 76 | 45.029 |
| 77 | 45.621 |
| 78 | 46.214 |
| 79 | 46.806 |
| 80 | 47.399 |
| 81 | 47.991 |
| 82 | 48.584 |
| 83 | 49.176 |
| 84 | 49.769 |
| 85 | 50.361 |
| 86 | 50.954 |
| 87 | 51.546 |
| 88 | 52.139 |
| 89 | 52.731 |
| 90 | 53.324 |
| 91 | 53.916 |
| 92 | 54.509 |
| 93 | 55.101 |
| 94 | 55.694 |
| 95 | 56.286 |
| 96 | 56.878 |
| 97 | 57.471 |
| 98 | 58.063 |
| 99 | 58.656 |
| 100 | 59.248 |
| 101 | 59.841 |
| 102 | 60.433 |
| 103 | 61.026 |
| 104 | 61.618 |
| 105 | 62.211 |
| 106 | 62.803 |
| 107 | 63.396 |
| 108 | 63.988 |
| 109 | 64.581 |
| 110 | 65.173 |
| 111 | 65.766 |
| 112 | 66.358 |
| 113 | 66.951 |
| 114 | 67.543 |
| 115 | 68.136 |
| 116 | 68.728 |
| 117 | 69.321 |
| 118 | 69.913 |
| 119 | 70.506 |
| 120 | 71.098 |
| 121 | 71.691 |
| 122 | 72.283 |
| 123 | 72.876 |
| 124 | 73.468 |
| 125 | 74.061 |
| Feet per second (ft/s) | Knots (kt) |
|---|---|
| 126 | 74.653 |
| 127 | 75.245 |
| 128 | 75.838 |
| 129 | 76.43 |
| 130 | 77.023 |
| 131 | 77.615 |
| 132 | 78.208 |
| 133 | 78.8 |
| 134 | 79.393 |
| 135 | 79.985 |
| 136 | 80.578 |
| 137 | 81.17 |
| 138 | 81.763 |
| 139 | 82.355 |
| 140 | 82.948 |
| 141 | 83.54 |
| 142 | 84.133 |
| 143 | 84.725 |
| 144 | 85.318 |
| 145 | 85.91 |
| 146 | 86.503 |
| 147 | 87.095 |
| 148 | 87.688 |
| 149 | 88.28 |
| 150 | 88.873 |
| 151 | 89.465 |
| 152 | 90.058 |
| 153 | 90.65 |
| 154 | 91.243 |
| 155 | 91.835 |
| 156 | 92.428 |
| 157 | 93.02 |
| 158 | 93.612 |
| 159 | 94.205 |
| 160 | 94.797 |
| 161 | 95.39 |
| 162 | 95.982 |
| 163 | 96.575 |
| 164 | 97.167 |
| 165 | 97.76 |
| 166 | 98.352 |
| 167 | 98.945 |
| 168 | 99.537 |
| 169 | 100.13 |
| 170 | 100.722 |
| 171 | 101.315 |
| 172 | 101.907 |
| 173 | 102.5 |
| 174 | 103.092 |
| 175 | 103.685 |
| 176 | 104.277 |
| 177 | 104.87 |
| 178 | 105.462 |
| 179 | 106.055 |
| 180 | 106.647 |
| 181 | 107.24 |
| 182 | 107.832 |
| 183 | 108.425 |
| 184 | 109.017 |
| 185 | 109.61 |
| 186 | 110.202 |
| 187 | 110.795 |
| 188 | 111.387 |
| 189 | 111.979 |
| 190 | 112.572 |
| 191 | 113.164 |
| 192 | 113.757 |
| 193 | 114.349 |
| 194 | 114.942 |
| 195 | 115.534 |
| 196 | 116.127 |
| 197 | 116.719 |
| 198 | 117.312 |
| 199 | 117.904 |
| 200 | 118.497 |
| 201 | 119.089 |
| 202 | 119.682 |
| 203 | 120.274 |
| 204 | 120.867 |
| 205 | 121.459 |
| 206 | 122.052 |
| 207 | 122.644 |
| 208 | 123.237 |
| 209 | 123.829 |
| 210 | 124.422 |
| 211 | 125.014 |
| 212 | 125.607 |
| 213 | 126.199 |
| 214 | 126.792 |
| 215 | 127.384 |
| 216 | 127.977 |
| 217 | 128.569 |
| 218 | 129.162 |
| 219 | 129.754 |
| 220 | 130.346 |
| 221 | 130.939 |
| 222 | 131.531 |
| 223 | 132.124 |
| 224 | 132.716 |
| 225 | 133.309 |
| 226 | 133.901 |
| 227 | 134.494 |
| 228 | 135.086 |
| 229 | 135.679 |
| 230 | 136.271 |
| 231 | 136.864 |
| 232 | 137.456 |
| 233 | 138.049 |
| 234 | 138.641 |
| 235 | 139.234 |
| 236 | 139.826 |
| 237 | 140.419 |
| 238 | 141.011 |
| 239 | 141.604 |
| 240 | 142.196 |
| 241 | 142.789 |
| 242 | 143.381 |
| 243 | 143.974 |
| 244 | 144.566 |
| 245 | 145.159 |
| 246 | 145.751 |
| 247 | 146.344 |
| 248 | 146.936 |
| 249 | 147.529 |
| 250 | 148.121 |
| Feet per second (ft/s) | Knots (kt) |
|---|---|
| 251 | 148.713 |
| 252 | 149.306 |
| 253 | 149.898 |
| 254 | 150.491 |
| 255 | 151.083 |
| 256 | 151.676 |
| 257 | 152.268 |
| 258 | 152.861 |
| 259 | 153.453 |
| 260 | 154.046 |
| 261 | 154.638 |
| 262 | 155.231 |
| 263 | 155.823 |
| 264 | 156.416 |
| 265 | 157.008 |
| 266 | 157.601 |
| 267 | 158.193 |
| 268 | 158.786 |
| 269 | 159.378 |
| 270 | 159.971 |
| 271 | 160.563 |
| 272 | 161.156 |
| 273 | 161.748 |
| 274 | 162.341 |
| 275 | 162.933 |
| 276 | 163.526 |
| 277 | 164.118 |
| 278 | 164.711 |
| 279 | 165.303 |
| 280 | 165.896 |
| 281 | 166.488 |
| 282 | 167.08 |
| 283 | 167.673 |
| 284 | 168.265 |
| 285 | 168.858 |
| 286 | 169.45 |
| 287 | 170.043 |
| 288 | 170.635 |
| 289 | 171.228 |
| 290 | 171.82 |
| 291 | 172.413 |
| 292 | 173.005 |
| 293 | 173.598 |
| 294 | 174.19 |
| 295 | 174.783 |
| 296 | 175.375 |
| 297 | 175.968 |
| 298 | 176.56 |
| 299 | 177.153 |
| 300 | 177.745 |
| 301 | 178.338 |
| 302 | 178.93 |
| 303 | 179.523 |
| 304 | 180.115 |
| 305 | 180.708 |
| 306 | 181.3 |
| 307 | 181.893 |
| 308 | 182.485 |
| 309 | 183.078 |
| 310 | 183.67 |
| 311 | 184.263 |
| 312 | 184.855 |
| 313 | 185.447 |
| 314 | 186.04 |
| 315 | 186.632 |
| 316 | 187.225 |
| 317 | 187.817 |
| 318 | 188.41 |
| 319 | 189.002 |
| 320 | 189.595 |
| 321 | 190.187 |
| 322 | 190.78 |
| 323 | 191.372 |
| 324 | 191.965 |
| 325 | 192.557 |
| 326 | 193.15 |
| 327 | 193.742 |
| 328 | 194.335 |
| 329 | 194.927 |
| 330 | 195.52 |
| 331 | 196.112 |
| 332 | 196.705 |
| 333 | 197.297 |
| 334 | 197.89 |
| 335 | 198.482 |
| 336 | 199.075 |
| 337 | 199.667 |
| 338 | 200.26 |
| 339 | 200.852 |
| 340 | 201.445 |
| 341 | 202.037 |
| 342 | 202.63 |
| 343 | 203.222 |
| 344 | 203.814 |
| 345 | 204.407 |
| 346 | 204.999 |
| 347 | 205.592 |
| 348 | 206.184 |
| 349 | 206.777 |
| 350 | 207.369 |
| 351 | 207.962 |
| 352 | 208.554 |
| 353 | 209.147 |
| 354 | 209.739 |
| 355 | 210.332 |
| 356 | 210.924 |
| 357 | 211.517 |
| 358 | 212.109 |
| 359 | 212.702 |
| 360 | 213.294 |
| 361 | 213.887 |
| 362 | 214.479 |
| 363 | 215.072 |
| 364 | 215.664 |
| 365 | 216.257 |
| 366 | 216.849 |
| 367 | 217.442 |
| 368 | 218.034 |
| 369 | 218.627 |
| 370 | 219.219 |
| 371 | 219.812 |
| 372 | 220.404 |
| 373 | 220.997 |
| 374 | 221.589 |
| 375 | 222.181 |
| Feet per second (ft/s) | Knots (kt) |
|---|---|
| 376 | 222.774 |
| 377 | 223.366 |
| 378 | 223.959 |
| 379 | 224.551 |
| 380 | 225.144 |
| 381 | 225.736 |
| 382 | 226.329 |
| 383 | 226.921 |
| 384 | 227.514 |
| 385 | 228.106 |
| 386 | 228.699 |
| 387 | 229.291 |
| 388 | 229.884 |
| 389 | 230.476 |
| 390 | 231.069 |
| 391 | 231.661 |
| 392 | 232.254 |
| 393 | 232.846 |
| 394 | 233.439 |
| 395 | 234.031 |
| 396 | 234.624 |
| 397 | 235.216 |
| 398 | 235.809 |
| 399 | 236.401 |
| 400 | 236.994 |
| 401 | 237.586 |
| 402 | 238.179 |
| 403 | 238.771 |
| 404 | 239.363 |
| 405 | 239.956 |
| 406 | 240.548 |
| 407 | 241.141 |
| 408 | 241.733 |
| 409 | 242.326 |
| 410 | 242.918 |
| 411 | 243.511 |
| 412 | 244.103 |
| 413 | 244.696 |
| 414 | 245.288 |
| 415 | 245.881 |
| 416 | 246.473 |
| 417 | 247.066 |
| 418 | 247.658 |
| 419 | 248.251 |
| 420 | 248.843 |
| 421 | 249.436 |
| 422 | 250.028 |
| 423 | 250.621 |
| 424 | 251.213 |
| 425 | 251.806 |
| 426 | 252.398 |
| 427 | 252.991 |
| 428 | 253.583 |
| 429 | 254.176 |
| 430 | 254.768 |
| 431 | 255.361 |
| 432 | 255.953 |
| 433 | 256.546 |
| 434 | 257.138 |
| 435 | 257.73 |
| 436 | 258.323 |
| 437 | 258.915 |
| 438 | 259.508 |
| 439 | 260.1 |
| 440 | 260.693 |
| 441 | 261.285 |
| 442 | 261.878 |
| 443 | 262.47 |
| 444 | 263.063 |
| 445 | 263.655 |
| 446 | 264.248 |
| 447 | 264.84 |
| 448 | 265.433 |
| 449 | 266.025 |
| 450 | 266.618 |
| 451 | 267.21 |
| 452 | 267.803 |
| 453 | 268.395 |
| 454 | 268.988 |
| 455 | 269.58 |
| 456 | 270.173 |
| 457 | 270.765 |
| 458 | 271.358 |
| 459 | 271.95 |
| 460 | 272.543 |
| 461 | 273.135 |
| 462 | 273.728 |
| 463 | 274.32 |
| 464 | 274.913 |
| 465 | 275.505 |
| 466 | 276.097 |
| 467 | 276.69 |
| 468 | 277.282 |
| 469 | 277.875 |
| 470 | 278.467 |
| 471 | 279.06 |
| 472 | 279.652 |
| 473 | 280.245 |
| 474 | 280.837 |
| 475 | 281.43 |
| 476 | 282.022 |
| 477 | 282.615 |
| 478 | 283.207 |
| 479 | 283.8 |
| 480 | 284.392 |
| 481 | 284.985 |
| 482 | 285.577 |
| 483 | 286.17 |
| 484 | 286.762 |
| 485 | 287.355 |
| 486 | 287.947 |
| 487 | 288.54 |
| 488 | 289.132 |
| 489 | 289.725 |
| 490 | 290.317 |
| 491 | 290.91 |
| 492 | 291.502 |
| 493 | 292.095 |
| 494 | 292.687 |
| 495 | 293.28 |
| 496 | 293.872 |
| 497 | 294.464 |
| 498 | 295.057 |
| 499 | 295.649 |
| 500 | 296.242 |
