What's 50 PSI in kPa?

50 × 6.895 ≈ 344.75 kPa. Higher pressure used in industrial or specialized equipment.

Why does PSI use 'pounds'? Aren't those weight units?

PSI uses pound-force (lbf), a unit of force, not weight. 1 psi = 1 lbf per square inch.

Is PSI or kPa bigger numerically?

kPa is numerically larger. 1 psi ≈ 6.9 kPa. The conversion multiplies by ~7.

Medical equipment displays blood pressure as 120 mmHg on the monitor, but your hospital's print report shows 16 kPa. Are these the same value?

120 mmHg ≈ 16 kPa. Yes—different units, same pressure. (Note: 1 mmHg ≈ 0.133 kPa)

PSI to Kilopascals (kPa) Converter

Enter a value to instantly convert between pressure units.

From

Precision4 dp

1 Pound per Sq. Inch = 6.8948 Kilopascal

Key Formulas

Pound per Sq. Inch → Bar

bar = psi × 0.0689476

Bar → Pound per Sq. Inch

psi = bar × 14.5038

Atmosphere → Pound per Sq. Inch

psi = atm × 14.6959

Pound per Sq. Inch → Atmosphere

atm = psi × 0.068046

Formula

kPa = psi × 6.89476

PSI (pounds per square inch) is the US imperial pressure unit; kilopascals (kPa) are metric SI. The conversion factor 6.89476 reflects the relationship between pounds-force and newtons. Essential for translating US equipment specs to international standards.

Source: NIST SP 811, Table B.8

Frequently Asked Questions

Real-World Examples

Standard car tire. 14.5 psi = 100 kPa. Common passenger vehicle pressure.

14.5 psi = 100 kPa

High-pressure system. 30 psi ≈ 207 kPa. Compressed gas, industrial equipment.

30 psi = 207 kPa

Very high pressure. 60 psi ≈ 414 kPa. Hydraulic systems, pressure washers.

60 psi = 414 kPa

Atmospheric pressure. 14.696 psi = 101.325 kPa. Sea level standard.

14.696 psi = 101.325 kPa

psi to bar bar to psi atm to psi psi to atm kpa to psi

PSI to Kilopascals (kPa) Converter

Key Formulas

Formula

Frequently Asked Questions

Real-World Examples

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