psi to bar Conversion Table

Convert 1-500 psi to bar

Any pressure value in psi can be converted to bar using the conversion factor:

  • 1 psi = 0.0689476 bar
  • bar = psi × 0.0689476

psi → bar Quick Converter

psi
bar

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What is psi?

Imperial/US customary pressure unit equal to one pound-force per square inch.

What is bar?

Metric pressure unit equal to exactly 100,000 pascals.

How to Convert psi to bar

bar = psi × 0.0689476

Example

Convert 51 psi to bar:

51 × 0.0689476 = 3.51633 bar

psi to bar Conversion Table

Values from 1 to 500 psi.

psi to bar (1 – 250 psi)
psi bar
1 0.0689476
2 0.137895
3 0.206843
4 0.27579
5 0.344738
6 0.413685
7 0.482633
8 0.551581
9 0.620528
10 0.689476
11 0.758423
12 0.827371
13 0.896318
14 0.965266
15 1.03421
16 1.10316
17 1.17211
18 1.24106
19 1.31
20 1.37895
21 1.4479
22 1.51685
23 1.58579
24 1.65474
25 1.72369
26 1.79264
27 1.86158
28 1.93053
29 1.99948
30 2.06843
31 2.13737
32 2.20632
33 2.27527
34 2.34422
35 2.41317
36 2.48211
37 2.55106
38 2.62001
39 2.68896
40 2.7579
41 2.82685
42 2.8958
43 2.96475
44 3.03369
45 3.10264
46 3.17159
47 3.24054
48 3.30948
49 3.37843
50 3.44738
51 3.51633
52 3.58527
53 3.65422
54 3.72317
55 3.79212
56 3.86106
57 3.93001
58 3.99896
59 4.06791
60 4.13685
61 4.2058
62 4.27475
63 4.3437
64 4.41264
65 4.48159
66 4.55054
67 4.61949
68 4.68843
69 4.75738
70 4.82633
71 4.89528
72 4.96423
73 5.03317
74 5.10212
75 5.17107
76 5.24002
77 5.30896
78 5.37791
79 5.44686
80 5.51581
81 5.58475
82 5.6537
83 5.72265
84 5.7916
85 5.86054
86 5.92949
87 5.99844
88 6.06739
89 6.13633
90 6.20528
91 6.27423
92 6.34318
93 6.41212
94 6.48107
95 6.55002
96 6.61897
97 6.68791
98 6.75686
99 6.82581
100 6.89476
101 6.9637
102 7.03265
103 7.1016
104 7.17055
105 7.2395
106 7.30844
107 7.37739
108 7.44634
109 7.51529
110 7.58423
111 7.65318
112 7.72213
113 7.79108
114 7.86002
115 7.92897
116 7.99792
117 8.06687
118 8.13581
119 8.20476
120 8.27371
121 8.34266
122 8.4116
123 8.48055
124 8.5495
125 8.61845
126 8.68739
127 8.75634
128 8.82529
129 8.89424
130 8.96318
131 9.03213
132 9.10108
133 9.17003
134 9.23897
135 9.30792
136 9.37687
137 9.44582
138 9.51477
139 9.58371
140 9.65266
141 9.72161
142 9.79056
143 9.8595
144 9.92845
145 9.9974
146 10.0663
147 10.1353
148 10.2042
149 10.2732
150 10.3421
151 10.4111
152 10.48
153 10.549
154 10.6179
155 10.6869
156 10.7558
157 10.8248
158 10.8937
159 10.9627
160 11.0316
161 11.1006
162 11.1695
163 11.2385
164 11.3074
165 11.3763
166 11.4453
167 11.5142
168 11.5832
169 11.6521
170 11.7211
171 11.79
172 11.859
173 11.9279
174 11.9969
175 12.0658
176 12.1348
177 12.2037
178 12.2727
179 12.3416
180 12.4106
181 12.4795
182 12.5485
183 12.6174
184 12.6864
185 12.7553
186 12.8242
187 12.8932
188 12.9621
189 13.0311
190 13.1
191 13.169
192 13.2379
193 13.3069
194 13.3758
195 13.4448
196 13.5137
197 13.5827
198 13.6516
199 13.7206
200 13.7895
201 13.8585
202 13.9274
203 13.9964
204 14.0653
205 14.1343
206 14.2032
207 14.2721
208 14.3411
209 14.41
210 14.479
211 14.5479
212 14.6169
213 14.6858
214 14.7548
215 14.8237
216 14.8927
217 14.9616
218 15.0306
219 15.0995
220 15.1685
221 15.2374
222 15.3064
223 15.3753
224 15.4443
225 15.5132
226 15.5822
227 15.6511
228 15.72
229 15.789
230 15.8579
231 15.9269
232 15.9958
233 16.0648
234 16.1337
235 16.2027
236 16.2716
237 16.3406
238 16.4095
239 16.4785
240 16.5474
241 16.6164
242 16.6853
243 16.7543
244 16.8232
245 16.8922
246 16.9611
247 17.0301
248 17.099
249 17.1679
250 17.2369
psi to bar (251 – 500 psi)
psi bar
251 17.3058
252 17.3748
253 17.4437
254 17.5127
255 17.5816
256 17.6506
257 17.7195
258 17.7885
259 17.8574
260 17.9264
261 17.9953
262 18.0643
263 18.1332
264 18.2022
265 18.2711
266 18.3401
267 18.409
268 18.4779
269 18.5469
270 18.6158
271 18.6848
272 18.7537
273 18.8227
274 18.8916
275 18.9606
276 19.0295
277 19.0985
278 19.1674
279 19.2364
280 19.3053
281 19.3743
282 19.4432
283 19.5122
284 19.5811
285 19.6501
286 19.719
287 19.788
288 19.8569
289 19.9258
290 19.9948
291 20.0637
292 20.1327
293 20.2016
294 20.2706
295 20.3395
296 20.4085
297 20.4774
298 20.5464
299 20.6153
300 20.6843
301 20.7532
302 20.8222
303 20.8911
304 20.9601
305 21.029
306 21.098
307 21.1669
308 21.2359
309 21.3048
310 21.3737
311 21.4427
312 21.5116
313 21.5806
314 21.6495
315 21.7185
316 21.7874
317 21.8564
318 21.9253
319 21.9943
320 22.0632
321 22.1322
322 22.2011
323 22.2701
324 22.339
325 22.408
326 22.4769
327 22.5459
328 22.6148
329 22.6838
330 22.7527
331 22.8216
332 22.8906
333 22.9595
334 23.0285
335 23.0974
336 23.1664
337 23.2353
338 23.3043
339 23.3732
340 23.4422
341 23.5111
342 23.5801
343 23.649
344 23.718
345 23.7869
346 23.8559
347 23.9248
348 23.9938
349 24.0627
350 24.1317
351 24.2006
352 24.2695
353 24.3385
354 24.4074
355 24.4764
356 24.5453
357 24.6143
358 24.6832
359 24.7522
360 24.8211
361 24.8901
362 24.959
363 25.028
364 25.0969
365 25.1659
366 25.2348
367 25.3038
368 25.3727
369 25.4417
370 25.5106
371 25.5795
372 25.6485
373 25.7174
374 25.7864
375 25.8553
376 25.9243
377 25.9932
378 26.0622
379 26.1311
380 26.2001
381 26.269
382 26.338
383 26.4069
384 26.4759
385 26.5448
386 26.6138
387 26.6827
388 26.7517
389 26.8206
390 26.8896
391 26.9585
392 27.0274
393 27.0964
394 27.1653
395 27.2343
396 27.3032
397 27.3722
398 27.4411
399 27.5101
400 27.579
401 27.648
402 27.7169
403 27.7859
404 27.8548
405 27.9238
406 27.9927
407 28.0617
408 28.1306
409 28.1996
410 28.2685
411 28.3375
412 28.4064
413 28.4753
414 28.5443
415 28.6132
416 28.6822
417 28.7511
418 28.8201
419 28.889
420 28.958
421 29.0269
422 29.0959
423 29.1648
424 29.2338
425 29.3027
426 29.3717
427 29.4406
428 29.5096
429 29.5785
430 29.6475
431 29.7164
432 29.7854
433 29.8543
434 29.9232
435 29.9922
436 30.0611
437 30.1301
438 30.199
439 30.268
440 30.3369
441 30.4059
442 30.4748
443 30.5438
444 30.6127
445 30.6817
446 30.7506
447 30.8196
448 30.8885
449 30.9575
450 31.0264
451 31.0954
452 31.1643
453 31.2333
454 31.3022
455 31.3711
456 31.4401
457 31.509
458 31.578
459 31.6469
460 31.7159
461 31.7848
462 31.8538
463 31.9227
464 31.9917
465 32.0606
466 32.1296
467 32.1985
468 32.2675
469 32.3364
470 32.4054
471 32.4743
472 32.5433
473 32.6122
474 32.6811
475 32.7501
476 32.819
477 32.888
478 32.9569
479 33.0259
480 33.0948
481 33.1638
482 33.2327
483 33.3017
484 33.3706
485 33.4396
486 33.5085
487 33.5775
488 33.6464
489 33.7154
490 33.7843
491 33.8533
492 33.9222
493 33.9912
494 34.0601
495 34.129
496 34.198
497 34.2669
498 34.3359
499 34.4048
500 34.4738

Related Conversions

Frequently Asked Questions

How do I convert psi to bar?

To convert psi to bar, multiply the psi value by 0.0689476. For example, 100 psi × 0.0689476 = 6.89476 bar.

What is the conversion factor from psi to bar?

The conversion factor is 0.0689476. One psi equals approximately 0.0689476 bar. This factor is derived from the definition of both units relative to the pascal.

When should I use psi versus bar?

Psi (pounds per square inch) is commonly used in the United States for tire pressure, hydraulic systems, and industrial applications. Bar is more widely used in Europe and in scientific contexts. Both are common in automotive and industrial settings.

Is a bar bigger than a psi?

Yes, 1 bar is much larger than 1 psi. One bar equals approximately 14.5038 psi. Bar is closer to atmospheric pressure (1 atm ≈ 1.01325 bar).

How accurate is this psi to bar conversion table?

This conversion table uses the precise conversion factor with up to 6 significant figures, ensuring high precision suitable for engineering, automotive, and industrial applications.

Conversion factors verified against NIST, BIPM, ISO 80000-4 1 atm = 101 325 Pa by definition (BIPM). Last reviewed: March 2026
Tiago Fernandes Reviewed by Tiago Fernandes