Pressure Calculator

Pressure, Stress & Hydrostatic Calculator

Compute mechanical contact stress, calculate hydrostatic liquid head pressure, and convert universal pressure scales

Generated Pressure / Contact Stress (P = F/A)
12.00 bar
1.200 MPa • 174.05 psi • 1,200.0 kPa
Pascals (SI Base Unit) 1.200 × 10⁶ Pa 1.200 N/mm² specific stress
Imperial Pressure (Pound-force) 174.05 psi 25,063 lbf/ft² (psf)
Standard Atmosphere Ratio 11.84 atm Relative to sea-level air
Effective Cross-Section 0.0125 m² 125.0 cm² bearing footprint
Hydrostatic Gauge Pressure (P = ρgh)
2.942 bar
42.67 psi • 294.2 kPa (2.90 atm)
Absolute Pressure (At Depth) 3.955 bar 57.37 psi (Gauge + 1 atm surface)
Pressure Gradient 9.81 kPa / m 0.434 psi / ft depth
Equivalent Head of Water 30.00 m H₂O 98.43 ft H₂O water head
Torricelli Mercury Column 2,206.7 mmHg 86.88 inHg manometric reading
Barometric Standard Atmosphere Model
ISA standard troposphere barometric lapse
Standard SI Baseline Conversion
101.325 kPa
1.01325 bar • 14.696 psi • 760.0 mmHg
Bar & Millibar 1.013 bar 1,013.25 mbar (hPa)
Pounds per Square Inch 14.696 psi 2,116.2 lbf/ft² (psf)
Manometric Mercury Height 760.00 Torr 29.921 inHg
Barometric Altitude Pressure 74.69 kPa 0.737 atm at 2,500 m altitude