54 Bar = 783.203476 PSI

Magnetic field

58 Nanotesla

5.800e-4 Gauss

nT → G

Concentration

28 Parts per Million

28 Milligram per liter

ppm → mg/L

Temperature

40 Fahrenheit

4.444444 Celsius

°F → °C

Frequency

6 Degree per second

0.01666668 Hertz

°/s → Hz

Angle

23 Radian

1,317.80 Degree

rad → °

Volume

90 Barrel oil

14,308.83 Liter

bbl → l