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QUICK REFERENCE: Load to Cylinder PSI Conversion Chart - 4x8 Cylinder
Check out our reference charts for a quick guide for lbs to psi conversion calculations
| lbf | psi | lbf | psi | lbf | psi |
| 9,000 | 716.6 | 173,000 | 13,773.9 | 337,000 | 26,831.2 |
| 10,000 | 796.2 | 174,000 | 13,853.5 | 338,000 | 26,910.8 |
| 11,000 | 875.8 | 175,000 | 13,933.1 | 339,000 | 26,990.4 |
| 12,000 | 955.4 | 176,000 | 14,012.7 | 340,000 | 27,070.1 |
| 13,000 | 1,035.0 | 177,000 | 14,092.4 | 341,000 | 27,149.7 |
| 14,000 | 1,114.6 | 178,000 | 14,172.0 | 342,000 | 27,229.3 |
| 15,000 | 1,194.3 | 179,000 | 14,251.6 | 343,000 | 27,308.9 |
| 16,000 | 1,273.9 | 180,000 | 14,331.2 | 344,000 | 27,388.5 |
| 17,000 | 1,353.5 | 181,000 | 14,410.8 | 345,000 | 27,468.2 |
| 18,000 | 1,433.1 | 182,000 | 14,490.4 | 346,000 | 27,547.8 |
| 19,000 | 1,512.7 | 183,000 | 14,570.1 | 347,000 | 27,627.4 |
| 20,000 | 1,592.4 | 184,000 | 14,649.7 | 348,000 | 27,707.0 |
| 21,000 | 1,672.0 | 185,000 | 14,729.3 | 349,000 | 27,786.6 |
| 22,000 | 1,751.6 | 186,000 | 14,808.9 | 350,000 | 27,866.2 |
| 23,000 | 1,831.2 | 187,000 | 14,888.5 | 351,000 | 27,945.9 |
| 24,000 | 1,910.8 | 188,000 | 14,968.2 | 352,000 | 28,025.5 |
| 25,000 | 1,990.4 | 189,000 | 15,047.8 | 353,000 | 28,105.1 |
| 26,000 | 2,070.1 | 190,000 | 15,127.4 | 354,000 | 28,184.7 |
| 27,000 | 2,149.7 | 191,000 | 15,207.0 | 355,000 | 28,264.3 |
| 28,000 | 2,229.3 | 192,000 | 15,286.6 | 356,000 | 28,343.9 |
| 29,000 | 2,308.9 | 193,000 | 15,366.2 | 357,000 | 28,423.6 |
| 30,000 | 2,388.5 | 194,000 | 15,445.9 | 358,000 | 28,503.2 |
| 31,000 | 2,468.2 | 195,000 | 15,525.5 | 359,000 | 28,582.8 |
| 32,000 | 2,547.8 | 196,000 | 15,605.1 | 360,000 | 28,662.4 |
| 33,000 | 2,627.4 | 197,000 | 15,684.7 | 361,000 | 28,742.0 |
| 34,000 | 2,707.0 | 198,000 | 15,764.3 | 362,000 | 28,821.7 |
| 35,000 | 2,786.6 | 199,000 | 15,843.9 | 363,000 | 28,901.3 |
| 36,000 | 2,866.2 | 200,000 | 15,923.6 | 364,000 | 28,980.9 |
| 37,000 | 2,945.9 | 201,000 | 16,003.2 | 365,000 | 29,060.5 |
| 38,000 | 3,025.5 | 202,000 | 16,082.8 | 366,000 | 29,140.1 |
| 39,000 | 3,105.1 | 203,000 | 16,162.4 | 367,000 | 29,219.7 |
| 40,000 | 3,184.7 | 204,000 | 16,242.0 | 368,000 | 29,299.4 |
| 41,000 | 3,264.3 | 205,000 | 16,321.7 | 369,000 | 29,379.0 |
| 42,000 | 3,343.9 | 206,000 | 16,401.3 | 370,000 | 29,458.6 |
| 43,000 | 3,423.6 | 207,000 | 16,480.9 | 371,000 | 29,538.2 |
| 44,000 | 3,503.2 | 208,000 | 16,560.5 | 372,000 | 29,617.8 |
| 45,000 | 3,582.8 | 209,000 | 16,640.1 | 373,000 | 29,697.5 |
| 46,000 | 3,662.4 | 210,000 | 16,719.7 | 374,000 | 29,777.1 |
| 47,000 | 3,742.0 | 211,000 | 16,799.4 | 375,000 | 29,856.7 |
| 48,000 | 3,821.7 | 212,000 | 16,879.0 | 376,000 | 29,936.3 |
| 49,000 | 3,901.3 | 213,000 | 16,958.6 | 377,000 | 30,015.9 |
| 50,000 | 3,980.9 | 214,000 | 17,038.2 | 378,000 | 30,095.5 |
| 51,000 | 4,060.5 | 215,000 | 17,117.8 | 379,000 | 30,175.2 |
| 52,000 | 4,140.1 | 216,000 | 17,197.5 | 380,000 | 30,254.8 |
| 53,000 | 4,219.7 | 217,000 | 17,277.1 | 381,000 | 30,334.4 |
| 54,000 | 4,299.4 | 218,000 | 17,356.7 | 382,000 | 30,414.0 |
| 55,000 | 4,379.0 | 219,000 | 17,436.3 | 383,000 | 30,493.6 |
| 56,000 | 4,458.6 | 220,000 | 17,515.9 | 384,000 | 30,573.2 |
| 57,000 | 4,538.2 | 221,000 | 17,595.5 | 385,000 | 30,652.9 |
| 58,000 | 4,617.8 | 222,000 | 17,675.2 | 386,000 | 30,732.5 |
| 59,000 | 4,697.5 | 223,000 | 17,754.8 | 387,000 | 30,812.1 |
| 60,000 | 4,777.1 | 224,000 | 17,834.4 | 388,000 | 30,891.7 |
| 61,000 | 4,856.7 | 225,000 | 17,914.0 | 389,000 | 30,971.3 |
| 62,000 | 4,936.3 | 226,000 | 17,993.6 | 390,000 | 31,051.0 |
| 63,000 | 5,015.9 | 227,000 | 18,073.2 | 391,000 | 31,130.6 |
| 64,000 | 5,095.5 | 228,000 | 18,152.9 | 392,000 | 31,210.2 |
| 65,000 | 5,175.2 | 229,000 | 18,232.5 | 393,000 | 31,289.8 |
| 66,000 | 5,254.8 | 230,000 | 18,312.1 | 394,000 | 31,369.4 |
| 67,000 | 5,334.4 | 231,000 | 18,391.7 | 395,000 | 31,449.0 |
| 68,000 | 5,414.0 | 232,000 | 18,471.3 | 396,000 | 31,528.7 |
| 69,000 | 5,493.6 | 233,000 | 18,551.0 | 397,000 | 31,608.3 |
| 70,000 | 5,573.2 | 234,000 | 18,630.6 | 398,000 | 31,687.9 |
| 71,000 | 5,652.9 | 235,000 | 18,710.2 | 399,000 | 31,767.5 |
| 72,000 | 5,732.5 | 236,000 | 18,789.8 | 400,000 | 31,847.1 |
| 73,000 | 5,812.1 | 237,000 | 18,869.4 | 401,000 | 31,926.8 |
| 74,000 | 5,891.7 | 238,000 | 18,949.0 | 402,000 | 32,006.4 |
| 75,000 | 5,971.3 | 239,000 | 19,028.7 | 403,000 | 32,086.0 |
| 76,000 | 6,051.0 | 240,000 | 19,108.3 | 404,000 | 32,165.6 |
| 77,000 | 6,130.6 | 241,000 | 19,187.9 | 405,000 | 32,245.2 |
| 78,000 | 6,210.2 | 242,000 | 19,267.5 | 406,000 | 32,324.8 |
| 79,000 | 6,289.8 | 243,000 | 19,347.1 | 407,000 | 32,404.5 |
| 80,000 | 6,369.4 | 244,000 | 19,426.8 | 408,000 | 32,484.1 |
| 81,000 | 6,449.0 | 245,000 | 19,506.4 | 409,000 | 32,563.7 |
| 82,000 | 6,528.7 | 246,000 | 19,586.0 | 410,000 | 32,643.3 |
| 83,000 | 6,608.3 | 247,000 | 19,665.6 | 411,000 | 32,722.9 |
| 84,000 | 6,687.9 | 248,000 | 19,745.2 | 412,000 | 32,802.5 |
| 85,000 | 6,767.5 | 249,000 | 19,824.8 | 413,000 | 32,882.2 |
| 86,000 | 6,847.1 | 250,000 | 19,904.5 | 414,000 | 32,961.8 |
| 87,000 | 6,926.8 | 251,000 | 19,984.1 | 415,000 | 33,041.4 |
| 88,000 | 7,006.4 | 252,000 | 20,063.7 | 416,000 | 33,121.0 |
| 89,000 | 7,086.0 | 253,000 | 20,143.3 | 417,000 | 33,200.6 |
| 90,000 | 7,165.6 | 254,000 | 20,222.9 | 418,000 | 33,280.3 |
| 91,000 | 7,245.2 | 255,000 | 20,302.5 | 419,000 | 33,359.9 |
| 92,000 | 7,324.8 | 256,000 | 20,382.2 | 420,000 | 33,439.5 |
| 93,000 | 7,404.5 | 257,000 | 20,461.8 | 421,000 | 33,519.1 |
| 94,000 | 7,484.1 | 258,000 | 20,541.4 | 422,000 | 33,598.7 |
| 95,000 | 7,563.7 | 259,000 | 20,621.0 | 423,000 | 33,678.3 |
| 96,000 | 7,643.3 | 260,000 | 20,700.6 | 424,000 | 33,758.0 |
| 97,000 | 7,722.9 | 261,000 | 20,780.3 | 425,000 | 33,837.6 |
| 98,000 | 7,802.5 | 262,000 | 20,859.9 | 426,000 | 33,917.2 |
| 99,000 | 7,882.2 | 263,000 | 20,939.5 | 427,000 | 33,996.8 |
| 100,000 | 7,961.8 | 264,000 | 21,019.1 | 428,000 | 34,076.4 |
| 101,000 | 8,041.4 | 265,000 | 21,098.7 | 429,000 | 34,156.1 |
| 102,000 | 8,121.0 | 266,000 | 21,178.3 | 430,000 | 34,235.7 |
| 103,000 | 8,200.6 | 267,000 | 21,258.0 | 431,000 | 34,315.3 |
| 104,000 | 8,280.3 | 268,000 | 21,337.6 | 432,000 | 34,394.9 |
| 105,000 | 8,359.9 | 269,000 | 21,417.2 | 433,000 | 34,474.5 |
| 106,000 | 8,439.5 | 270,000 | 21,496.8 | 434,000 | 34,554.1 |
| 107,000 | 8,519.1 | 271,000 | 21,576.4 | 435,000 | 34,633.8 |
| 108,000 | 8,598.7 | 272,000 | 21,656.1 | 436,000 | 34,713.4 |
| 109,000 | 8,678.3 | 273,000 | 21,735.7 | 437,000 | 34,793.0 |
| 110,000 | 8,758.0 | 274,000 | 21,815.3 | 438,000 | 34,872.6 |
| 111,000 | 8,837.6 | 275,000 | 21,894.9 | 439,000 | 34,952.2 |
| 112,000 | 8,917.2 | 276,000 | 21,974.5 | 440,000 | 35,031.8 |
| 113,000 | 8,996.8 | 277,000 | 22,054.1 | 441,000 | 35,111.5 |
| 114,000 | 9,076.4 | 278,000 | 22,133.8 | 442,000 | 35,191.1 |
| 115,000 | 9,156.1 | 279,000 | 22,213.4 | 443,000 | 35,270.7 |
| 116,000 | 9,235.7 | 280,000 | 22,293.0 | 444,000 | 35,350.3 |
| 117,000 | 9,315.3 | 281,000 | 22,372.6 | 445,000 | 35,429.9 |
| 118,000 | 9,394.9 | 282,000 | 22,452.2 | 446,000 | 35,509.6 |
| 119,000 | 9,474.5 | 283,000 | 22,531.8 | 447,000 | 35,589.2 |
| 120,000 | 9,554.1 | 284,000 | 22,611.5 | 448,000 | 35,668.8 |
| 121,000 | 9,633.8 | 285,000 | 22,691.1 | 449,000 | 35,748.4 |
| 122,000 | 9,713.4 | 286,000 | 22,770.7 | 450,000 | 35,828.0 |
| 123,000 | 9,793.0 | 287,000 | 22,850.3 | 451,000 | 35,907.6 |
| 124,000 | 9,872.6 | 288,000 | 22,929.9 | 452,000 | 35,987.3 |
| 125,000 | 9,952.2 | 289,000 | 23,009.6 | 453,000 | 36,066.9 |
| 126,000 | 10,031.8 | 290,000 | 23,089.2 | 454,000 | 36,146.5 |
| 127,000 | 10,111.5 | 291,000 | 23,168.8 | 455,000 | 36,226.1 |
| 128,000 | 10,191.1 | 292,000 | 23,248.4 | 456,000 | 36,305.7 |
| 129,000 | 10,270.7 | 293,000 | 23,328.0 | 457,000 | 36,385.4 |
| 130,000 | 10,350.3 | 294,000 | 23,407.6 | 458,000 | 36,465.0 |
| 131,000 | 10,429.9 | 295,000 | 23,487.3 | 459,000 | 36,544.6 |
| 132,000 | 10,509.6 | 296,000 | 23,566.9 | 460,000 | 36,624.2 |
| 133,000 | 10,589.2 | 297,000 | 23,646.5 | 461,000 | 36,703.8 |
| 134,000 | 10,668.8 | 298,000 | 23,726.1 | 462,000 | 36,783.4 |
| 135,000 | 10,748.4 | 299,000 | 23,805.7 | 463,000 | 36,863.1 |
| 136,000 | 10,828.0 | 300,000 | 23,885.4 | 464,000 | 36,942.7 |
| 137,000 | 10,907.6 | 301,000 | 23,965.0 | 465,000 | 37,022.3 |
| 138,000 | 10,987.3 | 302,000 | 24,044.6 | 466,000 | 37,101.9 |
| 139,000 | 11,066.9 | 303,000 | 24,124.2 | 467,000 | 37,181.5 |
| 140,000 | 11,146.5 | 304,000 | 24,203.8 | 468,000 | 37,261.1 |
| 141,000 | 11,226.1 | 305,000 | 24,283.4 | 469,000 | 37,340.8 |
| 142,000 | 11,305.7 | 306,000 | 24,363.1 | 470,000 | 37,420.4 |
| 143,000 | 11,385.4 | 307,000 | 24,442.7 | 471,000 | 37,500.0 |
| 144,000 | 11,465.0 | 308,000 | 24,522.3 | 472,000 | 37,579.6 |
| 145,000 | 11,544.6 | 309,000 | 24,601.9 | 473,000 | 37,659.2 |
| 146,000 | 11,624.2 | 310,000 | 24,681.5 | 474,000 | 37,738.9 |
| 147,000 | 11,703.8 | 311,000 | 24,761.1 | 475,000 | 37,818.5 |
| 148,000 | 11,783.4 | 312,000 | 24,840.8 | 476,000 | 37,898.1 |
| 149,000 | 11,863.1 | 313,000 | 24,920.4 | 477,000 | 37,977.7 |
| 150,000 | 11,942.7 | 314,000 | 25,000.0 | 478,000 | 38,057.3 |
| 151,000 | 12,022.3 | 315,000 | 25,079.6 | 479,000 | 38,136.9 |
| 152,000 | 12,101.9 | 316,000 | 25,159.2 | 480,000 | 38,216.6 |
| 153,000 | 12,181.5 | 317,000 | 25,238.9 | 481,000 | 38,296.2 |
| 154,000 | 12,261.1 | 318,000 | 25,318.5 | 482,000 | 38,375.8 |
| 155,000 | 12,340.8 | 319,000 | 25,398.1 | 483,000 | 38,455.4 |
| 156,000 | 12,420.4 | 320,000 | 25,477.7 | 484,000 | 38,535.0 |
| 157,000 | 12,500.0 | 321,000 | 25,557.3 | 485,000 | 38,614.6 |
| 158,000 | 12,579.6 | 322,000 | 25,636.9 | 486,000 | 38,694.3 |
| 159,000 | 12,659.2 | 323,000 | 25,716.6 | 487,000 | 38,773.9 |
| 160,000 | 12,738.9 | 324,000 | 25,796.2 | 488,000 | 38,853.5 |
| 161,000 | 12,818.5 | 325,000 | 25,875.8 | 489,000 | 38,933.1 |
| 162,000 | 12,898.1 | 326,000 | 25,955.4 | 490,000 | 39,012.7 |
| 163,000 | 12,977.7 | 327,000 | 26,035.0 | 491,000 | 39,092.4 |
| 164,000 | 13,057.3 | 328,000 | 26,114.6 | 492,000 | 39,172.0 |
| 165,000 | 13,136.9 | 329,000 | 26,194.3 | 493,000 | 39,251.6 |
| 166,000 | 13,216.6 | 330,000 | 26,273.9 | 494,000 | 39,331.2 |
| 167,000 | 13,296.2 | 331,000 | 26,353.5 | 495,000 | 39,410.8 |
| 168,000 | 13,375.8 | 332,000 | 26,433.1 | 496,000 | 39,490.4 |
| 169,000 | 13,455.4 | 333,000 | 26,512.7 | 497,000 | 39,570.1 |
| 170,000 | 13,535.0 | 334,000 | 26,592.4 | 498,000 | 39,649.7 |
| 171,000 | 13,614.6 | 335,000 | 26,672.0 | 499,000 | 39,729.3 |
| 172,000 | 13,694.3 | 336,000 | 26,751.6 | 500,000 | 39,808.9 |