Power Conversion

Horsepower to Watts Converter

Instantly convert Horsepower (hp) to Watts (W). Used when converting engine or motor horsepower ratings to watts for metric calculations and electric comparisons.

Result
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Enter a value above to convert

Quick Reference

How to Convert Horsepower to Watts

To convert Horsepower to Watts, use this formula:

W = hp × 745.7

Example: Converting 150 hp to Watts gives you 111,855 W. Just enter your own value in the converter above for an instant result.

Horsepower to Watts Conversion Table

Common Horsepower to Watts values at a glance — use this as a quick lookup reference:

Horsepower (hp)Watts (W)
1 hp745.7 W
5 hp3728.5 W
10 hp7457 W
25 hp18642.5 W
50 hp37285 W
100 hp74570 W
150 hp111855 W
200 hp149140 W
300 hp223710 W
500 hp372850 W
1000 hp745700 W

When to Use Horsepower to Watts Conversion

Used when converting engine or motor horsepower ratings to watts for metric calculations and electric comparisons. Here are the most common scenarios where you will need this conversion:

Car engine power to kW for electric comparison Marine and aircraft engine power conversion Generator sizing for electrical loads Industrial motor electrical demand calculation

About Horsepower and Watts

One horsepower equals exactly 745.7 watts. This conversion is fundamental when comparing gasoline engine power (in hp) with electric motor or generator output (in watts or kilowatts). A 200 hp car engine produces about 149 kW. Marine engines, aircraft engines, and industrial motors rated in horsepower need watt equivalents for electrical system design. The horsepower was originally defined by James Watt to market steam engines against horse-drawn alternatives.

Related Power Conversions

Watts to Horsepower Kilowatts to Horsepower Horsepower to Kilowatts Kilowatts to Watts Watts to Kilowatts

All Horsepower to Watts Values

Click any specific value below for a dedicated conversion page with formula, table, and nearby values:

1 Horsepower to Watts 100 Horsepower to Watts 10 Horsepower to Watts 200 Horsepower to Watts 5 Horsepower to Watts 150 Horsepower to Watts 25 Horsepower to Watts 50 Horsepower to Watts 300 Horsepower to Watts 500 Horsepower to Watts 2 Horsepower to Watts 75 Horsepower to Watts 250 Horsepower to Watts 400 Horsepower to Watts 1000 Horsepower to Watts 20 Horsepower to Watts 3 Horsepower to Watts 15 Horsepower to Watts 110 Horsepower to Watts 120 Horsepower to Watts 160 Horsepower to Watts 180 Horsepower to Watts 350 Horsepower to Watts 4 Horsepower to Watts 6 Horsepower to Watts 30 Horsepower to Watts 40 Horsepower to Watts 60 Horsepower to Watts 80 Horsepower to Watts 90 Horsepower to Watts 125 Horsepower to Watts 130 Horsepower to Watts 140 Horsepower to Watts 170 Horsepower to Watts 220 Horsepower to Watts 240 Horsepower to Watts 280 Horsepower to Watts 600 Horsepower to Watts 450 Horsepower to Watts 7 Horsepower to Watts 8 Horsepower to Watts 35 Horsepower to Watts 45 Horsepower to Watts 55 Horsepower to Watts 70 Horsepower to Watts 190 Horsepower to Watts 210 Horsepower to Watts 700 Horsepower to Watts 9 Horsepower to Watts 12 Horsepower to Watts 65 Horsepower to Watts 85 Horsepower to Watts 95 Horsepower to Watts 230 Horsepower to Watts 260 Horsepower to Watts 270 Horsepower to Watts 290 Horsepower to Watts 320 Horsepower to Watts 330 Horsepower to Watts 340 Horsepower to Watts 360 Horsepower to Watts 370 Horsepower to Watts 375 Horsepower to Watts 380 Horsepower to Watts 390 Horsepower to Watts 420 Horsepower to Watts 440 Horsepower to Watts 460 Horsepower to Watts 480 Horsepower to Watts 550 Horsepower to Watts 650 Horsepower to Watts 750 Horsepower to Watts 800 Horsepower to Watts 900 Horsepower to Watts 13 Horsepower to Watts 14 Horsepower to Watts 16 Horsepower to Watts 17 Horsepower to Watts 18 Horsepower to Watts 850 Horsepower to Watts 950 Horsepower to Watts 0.25 Horsepower to Watts 0.5 Horsepower to Watts 0.75 Horsepower to Watts 1.5 Horsepower to Watts 2.5 Horsepower to Watts 3.5 Horsepower to Watts 4.5 Horsepower to Watts 11 Horsepower to Watts 19 Horsepower to Watts 21 Horsepower to Watts 22 Horsepower to Watts 23 Horsepower to Watts 24 Horsepower to Watts 26 Horsepower to Watts 27 Horsepower to Watts 28 Horsepower to Watts 29 Horsepower to Watts 31 Horsepower to Watts 32 Horsepower to Watts 33 Horsepower to Watts 34 Horsepower to Watts 36 Horsepower to Watts 37 Horsepower to Watts 38 Horsepower to Watts 39 Horsepower to Watts 41 Horsepower to Watts 42 Horsepower to Watts 43 Horsepower to Watts 44 Horsepower to Watts 46 Horsepower to Watts 47 Horsepower to Watts 48 Horsepower to Watts 49 Horsepower to Watts 51 Horsepower to Watts 52 Horsepower to Watts 53 Horsepower to Watts 54 Horsepower to Watts 56 Horsepower to Watts 57 Horsepower to Watts 58 Horsepower to Watts 59 Horsepower to Watts 61 Horsepower to Watts 62 Horsepower to Watts 63 Horsepower to Watts 64 Horsepower to Watts 66 Horsepower to Watts 67 Horsepower to Watts 68 Horsepower to Watts 69 Horsepower to Watts 71 Horsepower to Watts 72 Horsepower to Watts 73 Horsepower to Watts 74 Horsepower to Watts 76 Horsepower to Watts 77 Horsepower to Watts 78 Horsepower to Watts 79 Horsepower to Watts 81 Horsepower to Watts 82 Horsepower to Watts 83 Horsepower to Watts 84 Horsepower to Watts 86 Horsepower to Watts 87 Horsepower to Watts 88 Horsepower to Watts 89 Horsepower to Watts 91 Horsepower to Watts 92 Horsepower to Watts 93 Horsepower to Watts 94 Horsepower to Watts 96 Horsepower to Watts 97 Horsepower to Watts 98 Horsepower to Watts 99 Horsepower to Watts 101 Horsepower to Watts 102 Horsepower to Watts 103 Horsepower to Watts 104 Horsepower to Watts 105 Horsepower to Watts 106 Horsepower to Watts 107 Horsepower to Watts 108 Horsepower to Watts 109 Horsepower to Watts 111 Horsepower to Watts 112 Horsepower to Watts 113 Horsepower to Watts 114 Horsepower to Watts 115 Horsepower to Watts 116 Horsepower to Watts 117 Horsepower to Watts 118 Horsepower to Watts 119 Horsepower to Watts 121 Horsepower to Watts 122 Horsepower to Watts 123 Horsepower to Watts 124 Horsepower to Watts 126 Horsepower to Watts 127 Horsepower to Watts 128 Horsepower to Watts 129 Horsepower to Watts 131 Horsepower to Watts 132 Horsepower to Watts 133 Horsepower to Watts 134 Horsepower to Watts 135 Horsepower to Watts 136 Horsepower to Watts 137 Horsepower to Watts 138 Horsepower to Watts 139 Horsepower to Watts 141 Horsepower to Watts 142 Horsepower to Watts 143 Horsepower to Watts 144 Horsepower to Watts 145 Horsepower to Watts 146 Horsepower to Watts 147 Horsepower to Watts 148 Horsepower to Watts 149 Horsepower to Watts 151 Horsepower to Watts 152 Horsepower to Watts 153 Horsepower to Watts 154 Horsepower to Watts 155 Horsepower to Watts 156 Horsepower to Watts 157 Horsepower to Watts 158 Horsepower to Watts 159 Horsepower to Watts 161 Horsepower to Watts 162 Horsepower to Watts 163 Horsepower to Watts 164 Horsepower to Watts 165 Horsepower to Watts 166 Horsepower to Watts 167 Horsepower to Watts 168 Horsepower to Watts 169 Horsepower to Watts 171 Horsepower to Watts 172 Horsepower to Watts 173 Horsepower to Watts 174 Horsepower to Watts 175 Horsepower to Watts 176 Horsepower to Watts 177 Horsepower to Watts 178 Horsepower to Watts 179 Horsepower to Watts 181 Horsepower to Watts 182 Horsepower to Watts 183 Horsepower to Watts 184 Horsepower to Watts 185 Horsepower to Watts 186 Horsepower to Watts 187 Horsepower to Watts 188 Horsepower to Watts 189 Horsepower to Watts 191 Horsepower to Watts 192 Horsepower to Watts 193 Horsepower to Watts 194 Horsepower to Watts 195 Horsepower to Watts 196 Horsepower to Watts 197 Horsepower to Watts 198 Horsepower to Watts 199 Horsepower to Watts 201 Horsepower to Watts 202 Horsepower to Watts 203 Horsepower to Watts 204 Horsepower to Watts 205 Horsepower to Watts 206 Horsepower to Watts 207 Horsepower to Watts 208 Horsepower to Watts 209 Horsepower to Watts 211 Horsepower to Watts 212 Horsepower to Watts 213 Horsepower to Watts 214 Horsepower to Watts 215 Horsepower to Watts 216 Horsepower to Watts 217 Horsepower to Watts 218 Horsepower to Watts 219 Horsepower to Watts 221 Horsepower to Watts 222 Horsepower to Watts 223 Horsepower to Watts 224 Horsepower to Watts 225 Horsepower to Watts 226 Horsepower to Watts 227 Horsepower to Watts 228 Horsepower to Watts 229 Horsepower to Watts 231 Horsepower to Watts 232 Horsepower to Watts 233 Horsepower to Watts 234 Horsepower to Watts 235 Horsepower to Watts 236 Horsepower to Watts 237 Horsepower to Watts 238 Horsepower to Watts 239 Horsepower to Watts 241 Horsepower to Watts 242 Horsepower to Watts 243 Horsepower to Watts 244 Horsepower to Watts 245 Horsepower to Watts 246 Horsepower to Watts 247 Horsepower to Watts 248 Horsepower to Watts 249 Horsepower to Watts 251 Horsepower to Watts 252 Horsepower to Watts 253 Horsepower to Watts 254 Horsepower to Watts 255 Horsepower to Watts 256 Horsepower to Watts 257 Horsepower to Watts 258 Horsepower to Watts 259 Horsepower to Watts 261 Horsepower to Watts 262 Horsepower to Watts 263 Horsepower to Watts 264 Horsepower to Watts 265 Horsepower to Watts 266 Horsepower to Watts 267 Horsepower to Watts 268 Horsepower to Watts 269 Horsepower to Watts 271 Horsepower to Watts 272 Horsepower to Watts 273 Horsepower to Watts 274 Horsepower to Watts 275 Horsepower to Watts 276 Horsepower to Watts 277 Horsepower to Watts 278 Horsepower to Watts 279 Horsepower to Watts 281 Horsepower to Watts 282 Horsepower to Watts 283 Horsepower to Watts 284 Horsepower to Watts 285 Horsepower to Watts 286 Horsepower to Watts 287 Horsepower to Watts 288 Horsepower to Watts 289 Horsepower to Watts 291 Horsepower to Watts 292 Horsepower to Watts 293 Horsepower to Watts 294 Horsepower to Watts 295 Horsepower to Watts 296 Horsepower to Watts 297 Horsepower to Watts 298 Horsepower to Watts 299 Horsepower to Watts 301 Horsepower to Watts 302 Horsepower to Watts 303 Horsepower to Watts 304 Horsepower to Watts 305 Horsepower to Watts 306 Horsepower to Watts 307 Horsepower to Watts 308 Horsepower to Watts 309 Horsepower to Watts 310 Horsepower to Watts 311 Horsepower to Watts 312 Horsepower to Watts 313 Horsepower to Watts 314 Horsepower to Watts 315 Horsepower to Watts 316 Horsepower to Watts 317 Horsepower to Watts 318 Horsepower to Watts 319 Horsepower to Watts 321 Horsepower to Watts 322 Horsepower to Watts 323 Horsepower to Watts 324 Horsepower to Watts 325 Horsepower to Watts 326 Horsepower to Watts 327 Horsepower to Watts 328 Horsepower to Watts 329 Horsepower to Watts 331 Horsepower to Watts 332 Horsepower to Watts 333 Horsepower to Watts 334 Horsepower to Watts 335 Horsepower to Watts 336 Horsepower to Watts 337 Horsepower to Watts 338 Horsepower to Watts 339 Horsepower to Watts 341 Horsepower to Watts 342 Horsepower to Watts 343 Horsepower to Watts 344 Horsepower to Watts 345 Horsepower to Watts 346 Horsepower to Watts 347 Horsepower to Watts 348 Horsepower to Watts 349 Horsepower to Watts 351 Horsepower to Watts 352 Horsepower to Watts 353 Horsepower to Watts 354 Horsepower to Watts 355 Horsepower to Watts 356 Horsepower to Watts 357 Horsepower to Watts 358 Horsepower to Watts 359 Horsepower to Watts 361 Horsepower to Watts 362 Horsepower to Watts 363 Horsepower to Watts 364 Horsepower to Watts 365 Horsepower to Watts 366 Horsepower to Watts 367 Horsepower to Watts 368 Horsepower to Watts 369 Horsepower to Watts 371 Horsepower to Watts 372 Horsepower to Watts 373 Horsepower to Watts 374 Horsepower to Watts 376 Horsepower to Watts 377 Horsepower to Watts 378 Horsepower to Watts 379 Horsepower to Watts 381 Horsepower to Watts 382 Horsepower to Watts 383 Horsepower to Watts 384 Horsepower to Watts 385 Horsepower to Watts 386 Horsepower to Watts 387 Horsepower to Watts 388 Horsepower to Watts 389 Horsepower to Watts 391 Horsepower to Watts 392 Horsepower to Watts 393 Horsepower to Watts 394 Horsepower to Watts 395 Horsepower to Watts 396 Horsepower to Watts 397 Horsepower to Watts 398 Horsepower to Watts 399 Horsepower to Watts 401 Horsepower to Watts 402 Horsepower to Watts 403 Horsepower to Watts 404 Horsepower to Watts 405 Horsepower to Watts 406 Horsepower to Watts 407 Horsepower to Watts 408 Horsepower to Watts 409 Horsepower to Watts 410 Horsepower to Watts 411 Horsepower to Watts 412 Horsepower to Watts 413 Horsepower to Watts 414 Horsepower to Watts 415 Horsepower to Watts 416 Horsepower to Watts 417 Horsepower to Watts 418 Horsepower to Watts 419 Horsepower to Watts 421 Horsepower to Watts 422 Horsepower to Watts 423 Horsepower to Watts 424 Horsepower to Watts 425 Horsepower to Watts 426 Horsepower to Watts 427 Horsepower to Watts 428 Horsepower to Watts 429 Horsepower to Watts 430 Horsepower to Watts 431 Horsepower to Watts 432 Horsepower to Watts 433 Horsepower to Watts 434 Horsepower to Watts 435 Horsepower to Watts 436 Horsepower to Watts 437 Horsepower to Watts 438 Horsepower to Watts 439 Horsepower to Watts 441 Horsepower to Watts 442 Horsepower to Watts 443 Horsepower to Watts 444 Horsepower to Watts 445 Horsepower to Watts 446 Horsepower to Watts 447 Horsepower to Watts 448 Horsepower to Watts 449 Horsepower to Watts 451 Horsepower to Watts 452 Horsepower to Watts 453 Horsepower to Watts 454 Horsepower to Watts 455 Horsepower to Watts 456 Horsepower to Watts 457 Horsepower to Watts 458 Horsepower to Watts 459 Horsepower to Watts 461 Horsepower to Watts 462 Horsepower to Watts 463 Horsepower to Watts 464 Horsepower to Watts 465 Horsepower to Watts 466 Horsepower to Watts 467 Horsepower to Watts 468 Horsepower to Watts 469 Horsepower to Watts 470 Horsepower to Watts 471 Horsepower to Watts 472 Horsepower to Watts 473 Horsepower to Watts 474 Horsepower to Watts 475 Horsepower to Watts 476 Horsepower to Watts 477 Horsepower to Watts 478 Horsepower to Watts 479 Horsepower to Watts 481 Horsepower to Watts 482 Horsepower to Watts 483 Horsepower to Watts 484 Horsepower to Watts 485 Horsepower to Watts 486 Horsepower to Watts 487 Horsepower to Watts 488 Horsepower to Watts 489 Horsepower to Watts 490 Horsepower to Watts 491 Horsepower to Watts 492 Horsepower to Watts 493 Horsepower to Watts 494 Horsepower to Watts 495 Horsepower to Watts 496 Horsepower to Watts 497 Horsepower to Watts 498 Horsepower to Watts 499 Horsepower to Watts 510 Horsepower to Watts 520 Horsepower to Watts 530 Horsepower to Watts 540 Horsepower to Watts 560 Horsepower to Watts 570 Horsepower to Watts 580 Horsepower to Watts 590 Horsepower to Watts 610 Horsepower to Watts 620 Horsepower to Watts 630 Horsepower to Watts 640 Horsepower to Watts 660 Horsepower to Watts 670 Horsepower to Watts 680 Horsepower to Watts 690 Horsepower to Watts 710 Horsepower to Watts 720 Horsepower to Watts 730 Horsepower to Watts 740 Horsepower to Watts 760 Horsepower to Watts 770 Horsepower to Watts 780 Horsepower to Watts 790 Horsepower to Watts 810 Horsepower to Watts 820 Horsepower to Watts 830 Horsepower to Watts 840 Horsepower to Watts 860 Horsepower to Watts 870 Horsepower to Watts 880 Horsepower to Watts 890 Horsepower to Watts 910 Horsepower to Watts 920 Horsepower to Watts 930 Horsepower to Watts 940 Horsepower to Watts 960 Horsepower to Watts 970 Horsepower to Watts 980 Horsepower to Watts 990 Horsepower to Watts 1010 Horsepower to Watts 1020 Horsepower to Watts 1030 Horsepower to Watts 1040 Horsepower to Watts 1050 Horsepower to Watts 1060 Horsepower to Watts 1070 Horsepower to Watts 1080 Horsepower to Watts 1090 Horsepower to Watts 1100 Horsepower to Watts 1110 Horsepower to Watts 1120 Horsepower to Watts 1130 Horsepower to Watts 1140 Horsepower to Watts 1150 Horsepower to Watts 1160 Horsepower to Watts 1170 Horsepower to Watts 1180 Horsepower to Watts 1190 Horsepower to Watts 1200 Horsepower to Watts 1210 Horsepower to Watts 1220 Horsepower to Watts 1230 Horsepower to Watts 1240 Horsepower to Watts 1250 Horsepower to Watts 1260 Horsepower to Watts 1270 Horsepower to Watts 1280 Horsepower to Watts 1290 Horsepower to Watts 1300 Horsepower to Watts 1310 Horsepower to Watts 1320 Horsepower to Watts 1330 Horsepower to Watts 1340 Horsepower to Watts 1350 Horsepower to Watts 1360 Horsepower to Watts 1370 Horsepower to Watts 1380 Horsepower to Watts 1390 Horsepower to Watts 1400 Horsepower to Watts 1410 Horsepower to Watts 1420 Horsepower to Watts 1430 Horsepower to Watts 1440 Horsepower to Watts 1450 Horsepower to Watts 1460 Horsepower to Watts 1470 Horsepower to Watts 1480 Horsepower to Watts 1490 Horsepower to Watts 1500 Horsepower to Watts 1510 Horsepower to Watts 1520 Horsepower to Watts 1530 Horsepower to Watts 1540 Horsepower to Watts 1550 Horsepower to Watts 1560 Horsepower to Watts 1570 Horsepower to Watts 1580 Horsepower to Watts 1590 Horsepower to Watts 1600 Horsepower to Watts 1610 Horsepower to Watts 1620 Horsepower to Watts 1630 Horsepower to Watts 1640 Horsepower to Watts 1650 Horsepower to Watts 1660 Horsepower to Watts 1670 Horsepower to Watts 1680 Horsepower to Watts 1690 Horsepower to Watts 1700 Horsepower to Watts 1710 Horsepower to Watts 1720 Horsepower to Watts 1730 Horsepower to Watts 1740 Horsepower to Watts 1750 Horsepower to Watts 1760 Horsepower to Watts 1770 Horsepower to Watts 1780 Horsepower to Watts 1790 Horsepower to Watts 1800 Horsepower to Watts 1810 Horsepower to Watts 1820 Horsepower to Watts 1830 Horsepower to Watts 1840 Horsepower to Watts 1850 Horsepower to Watts 1860 Horsepower to Watts 1870 Horsepower to Watts 1880 Horsepower to Watts 1890 Horsepower to Watts 1900 Horsepower to Watts 1910 Horsepower to Watts 1920 Horsepower to Watts 1930 Horsepower to Watts 1940 Horsepower to Watts 1950 Horsepower to Watts 1960 Horsepower to Watts 1970 Horsepower to Watts 1980 Horsepower to Watts 1990 Horsepower to Watts 2000 Horsepower to Watts