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Pounds per square inch to Bar

1 pound per square inch = 0.068948 bar · 1 bar = 14.504 psi

1 pound per square inch = 0.068948 bar

How it’s calculated

bar = psi × 0.06894757293

  • Multiply the value in pounds per square inch by 0.06894757293.
  • To go back, divide by 0.06894757293 (or multiply by 14.50377377).
  • 1 psi = 0.06894757293 bar · 1 bar = 14.50377377 psi
Show worked solutionFactor, unit cancellation and rounding, step by step

  1. Find the conversion factor

    By definition 1 psi = 6894.75729316836 Pa and 1 bar = 100000 Pa, so 1 bar = 14.5037737730209 psi. Source: NIST SP 811 / Handbook 44.

  2. Multiply by the factor written as a fraction

    Put psi in the denominator so it cancels, leaving bar.

  3. Calculate (unrounded)

  4. Round the answer

    Rounded to 5 significant figures.

Answer: 0.068948 bar

1 psi in other units

Batch convert psi → bar
Results
  1. 1 psi = 0.068948 bar
  2. 5 psi = 0.34474 bar
  3. 10 psi = 0.68948 bar
  4. 25 psi = 1.7237 bar

Permanent link to this conversion

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Quick examples

  • 1 pound per square inch = 0.068948 bar
  • 5 pounds per square inch = 0.34474 bar
  • 10 pounds per square inch = 0.68948 bar
  • 25 pounds per square inch = 1.7237 bar
  • 100 pounds per square inch = 6.8948 bar

About these units

Pound per square inch (psi)

US & imperial (identical)

1 lbf/in² ≈ 6 894.757 Pa (derived from exact lbf and inch).

1 psi = 6894.757293 Pa

Source: NIST SP 811 / Handbook 44

Bar (bar)

metric (non-SI)

Exactly 100 000 Pa.

1 bar = 100000 Pa

Source: NIST SP 811 / Handbook 44

Pounds per square inch to bar conversion table

pound per square inch (psi) to bar (bar)
Pounds per square inch (psi)Bar (bar)
0.1 psi0.0068948 bar
0.5 psi0.034474 bar
1 psi0.068948 bar
2 psi0.1379 bar
3 psi0.20684 bar
4 psi0.27579 bar
5 psi0.34474 bar
6 psi0.41369 bar
7 psi0.48263 bar
8 psi0.55158 bar
9 psi0.62053 bar
10 psi0.68948 bar
15 psi1.0342 bar
20 psi1.379 bar
25 psi1.7237 bar
30 psi2.0684 bar
40 psi2.7579 bar
50 psi3.4474 bar
75 psi5.1711 bar
100 psi6.8948 bar
250 psi17.237 bar
500 psi34.474 bar
1,000 psi68.948 bar

Related conversions

Frequently asked questions

How do I convert pounds per square inch to bar?

Use bar = psi × 0.06894757293. Multiply the value in pounds per square inch by 0.06894757293.

How many bar are in 1 pound per square inch?

1 pound per square inch (psi) equals 0.068948 bar (bar); more precisely 0.06894757293.

How many pounds per square inch are in 1 bar?

1 bar (bar) equals 14.504 pounds per square inch (psi); more precisely 14.50377377.

What is 10 psi in bar?

10 pounds per square inch = 0.68948 bar.

What is a pound per square inch?

1 lbf/in² ≈ 6 894.757 Pa (derived from exact lbf and inch).

What is a bar?

Exactly 100 000 Pa.

Formula: bar = psi × 0.06894757293. Factors last reviewed 2026-10-27.