PSI to bar, atm to Pascal, and pressure conversion calculators. Browse our free pressure tools below — all calculators are instant, accurate, and require no sign-up.
ATM Pressure Converter — Convert atmospheres (atm) to and from Pascals, kPa, bar, psi, mmHg, Torr, and inHg. Bidirectional conversion with preset values, reference table, and quick formulas.
ATM to Pascals Converter — Convert between atmospheres (atm) and Pascals (Pa). Bidirectional converter with kPa, hPa, mbar, and bar outputs, reference table, and preset values.
Bar to ATM Converter — Convert between bar and atmospheres (atm) with bidirectional conversion, PSI/kPa/mmHg equivalents, reference table, and preset values.
Bar to PSI Converter — Convert between bar and PSI (pounds per square inch) with bidirectional conversion, reference table for tires, hydraulics, and industrial applications.
Bar to PSIG Converter — Convert bar to PSIG, PSIA, kPa, atm, and mmHg. Handles gauge vs. absolute pressure with adjustable atmospheric baseline.
kg/cm² to PSI Converter — Convert kg/cm² to PSI and vice versa. Also shows bar, kPa, atm, mmHg. Includes a 17-row reference table and unit comparison visuals.
kPa Pressure Converter — Convert kilopascals (kPa) to and from Pa, bar, atm, psi, and mmHg with bidirectional conversion, reference table, and preset values.
kPa to ATM Converter — Convert between kilopascals and atmospheres with bidirectional conversion, Pa/bar/psi equivalents, and reference table.
kPa to mmHg Converter — Convert between kilopascals and millimeters of mercury (mmHg) for medical, scientific, and weather applications.
kPa to PSI Converter — Convert between kilopascals and PSI with bidirectional conversion, bar/atm equivalents, and application reference table.
ksi to MPa Converter — Convert between ksi (kilopounds per square inch) and MPa (megapascals) for engineering and material science applications.
ksi to PSI Converter — Convert between ksi (kilopounds per square inch) and PSI with MPa equivalents for engineering stress calculations.
Lbs to PSI Calculator — Calculate PSI from force (pounds) and area (square inches). Not a direct unit conversion — PSI = force ÷ area.
mmHg to ATM Converter — Convert between millimeters of mercury (mmHg) and atmospheres with bidirectional conversion and reference pressures.
mmHg to ATM Converter — Convert between millimeters of mercury and atmospheres for medical, scientific, and weather applications.
MPa Pressure Converter — Convert megapascals (MPa) to and from kPa, Pa, bar, psi, atm, and ksi for engineering and material science.
MPa to PSI Converter — Convert between megapascals and PSI for engineering stress, material properties, and hydraulic system specifications.
MPa to PSIG Converter — Convert between MPa (absolute) and PSIG (gauge) with PSIA comparison for industrial pressure applications.
Pascals to PSI Converter — Convert between Pascals (Pa) and PSI with kPa, bar, atm, and mmHg equivalents for scientific and engineering use.
Pascal Pressure Converter — Convert Pascals (Pa) to and from kPa, MPa, bar, atm, psi, and mmHg. The SI unit of pressure made easy.
PSI Pressure Converter — Convert PSI to and from bar, kPa, atm, Pa, mmHg, and ksi. Useful for automotive, pneumatic, hydraulic, and industrial pressure checks.
PSI to ATM Converter — Convert between PSI and atmospheres with bidirectional conversion, reference pressures, and diving depth equivalents.
PSI to GPM Calculator — Calculate flow rate (GPM) from pressure (PSI) using pipe diameter and orifice equations for plumbing and fire protection.
PSIG to PSIA Converter — Convert between gauge pressure (PSIG) and absolute pressure (PSIA) with bar and kPa equivalents. Useful for compressors, vacuum systems, and pressure vessel specs.
Torr to ATM Converter — Convert between Torr and atmospheres for vacuum technology, gas systems, and laboratory applications.