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## Conversion Tools

Use our examples below to convert pressure, flow, force or heat.

Convert various units of pressure using the below table:

For example, If you would like to know what the equivalent of 1 BAR is in Inch Hg., you would go to the ‘BAR’ row (brown) and then match it up with the Inch ‘Hg’ column (yellow). 1 BAR = 29.5300 Inch Hg.

 From / To PSI Kg / cm2 BAR Pascal mm Hg Inch Hg Inch H2O cm water PSI 1 0.0703 0.0689 6894.7573 51.7149 2.0360 27.7076 70.3089 Kg / cm2 14.2223 1 0.9807 9.8067 E+04 735.5592 28.9590 394.0946 1000.0275 BAR 14.5038 1.0197 1 1.000 E+05 750.0617 29.5300 401.8647 1019.7443 Pascal 0.0001 1.020 E-05 1.000 E-05 1 7.501 E-03 2.953 E-04 4.019 E-03 1.020 E-02 mm Hg 0.0193 0.0013 0.0013 133.3224 1 0.0394 0.5358 1.3595 Inch Hg 0.4912 0.0339 0.0339 3386.3882 25.4000 1 13.6087 34.5325 Inch H2O 0.0361 0.0025 0.0025 248.8400 1.8665 0.0735 1 2.5375 cm water 0.0142 0.0010 0.0010 98.06.38 0.7355 0.0290 0.3941 1

Convert various units of flow using the table below:

For example, if you would like to know what the equivalent of 1 cubic feet per minute (CFM) is in liters per minute (L/Min), you would find the “Cubic Feet per Min” row (brown) and then match it up with the “Liters per Min” column (yellow)

1 Cubic Feet per Min (CFM) = 28.3168 Litres per Min (L/Min)

 From / To Cubic Feet per Min. Cubic Meter per Min. Gallons per Min. Litres per Min. Cubic Feet per Min. 1 0.0283 7.4805 28.3168 Cubic Meter per Min. 35.3147 1 264.1721 1000 Gallons per Min. 0.1337 0.0038 1 3.7854 Litres per Min. 0.0353 0.001 0.2642 1

Convert various units of flow using the table below:

For example, If Suzie would like to know what the equivalent of 1 Ounce (oz) is in Pounds (lbs). She would look for the ‘Ounce’ row (brown) and then match it up with the ‘Pound’ column (yellow).

1 Ounce (oz) = 0.0625 Pounds (lbs)

 From / To Pound Ounce Kilogram Pound 1 16 0.4536 Ounce 35.3147 1 0.0283 Kilogram 2.2046 35.27396195 1

Convert various units of pressure using the table below:

For example, if you would like to know what the equivalent of 1 WATT is in BTU/min, you would find the “Watt” row (brown) and then match it up with the “BTU/Min” column (yellow).

1 Watt = 0.0569 BTU/Min.

 From / To BTU / Hr. BTU / Min. Ton (Refrigeration) Kilocalorie / Sec. Watt BTU / Hr. 1 0.0167 8.33E-05 7.00E-05 0.2928 BTU / Min. 60 1 0.005 0.0042 17.5686 Ton (Refrigeration) 12000 238.0992 1 0.8400 3.514E+03 Kilocalorie / Sec. 1.429E+04 200 1.1905 1 4.183E+03 Watt 3.4152 0.0569 2.846E-04 2.391E-04 1

Below is an example demonstrating how you can easily calculate the air consumption at different inlet pressures. If you need assistance, call us at +1-705-770-4455 or click here to email an Application Engineer.

EXAMPLE: A Model 7504 Vortex Tube consumes 4 SCFM @ 100 PSIG (113 SLPM @ 6.89 BAR). To calculate the airflow with an inlet pressure of 60 PSIG (4.1369 BAR), follow the below steps:

1 Atmosphere (ATM) = 14.7 (PSI)

1 (SCFM) = 28.3168 (SLPM)

1 (PSI) = .0689 (BAR)

STEP 1: Determine the ratio of absolute inlet pressures.

 English Metric 60 (PSIG) + 14.7 = 74.7 100 (PSIG) + 14.7 = 114.7 74.7 divided by 114.7 = 0.6512 is the Ratio 4.1369 (BAR) + 1.0135 = 5.1504 6.8948 (BAR) + 1.0135 = 7.9083 5.1504 divided by 7.9083 = 0.6512 is the Ratio

STEP 2: Multiply the above Ratio by the known factor (4 SCFM).

 English Metric 4 (SCFM) x 0.6512 = 2.6048 SCFM Therefore Model 7504 Vortex Tube operating at 60 PSIG will consume just 2.6048 SCFM. 113 (SLPM) x 0.6512 = 73.5856 Therefore Model 7504 Vortex Tube operating at 4.1369 BAR will consume just 73.585 SLPM.
Air Flow Schedule
Use the tables to determine the Pounds Per Square Inch drop per 100 feet of schedule 40 steel pipe