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Pressure Units

• 1 atm = 14,7 psi (pound per square inch)

• 1 atm = 101,300 Pa (Pascal)

• 1 psi = 6894.76 Pa (Pascal)

• PSIA: Absolute pressure (measured relative to a full vacuum), in psi

• PSIG: Gauge pressure (measured relative to the current ambient pressure of the atmosphere), in psi

  

Energy Units

• 1 Wh = 860,4 cal (calorie)

• 1 cal = 0.001162 Wh (Watt-hour)

• 1 Wh = 3600 J (Joule)

• 1 Mtoe = 11630 kWh (kilo-Watt-hour)

  

Power Units

• 1 HP = 746 W (Watt)

• 1 BTU = 0.293 W (Watt)

• 1 W = 3.41 BTU (British Thermal Unit)

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For Power Conversion, click below

https://www.calculatorsoup.com/calculators/conversions/power.php

  

For Pressure Conversion, click below

https://www.calculatorsoup.com/calculators/conversions/pressure.php

  

For Hydrogen Tools, click below

https://cmb.tech/hydrogen-tools

 

For Hydrogen Weight to Volume Conversion, click below

https://microsites.airproducts.com/gasfacts/hydrogen.html