DSI Buxco FinePointe - Pressure Conversions and Useful Information

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Pulmonary Function Test • Publication 014181-001 Rev 02 • www.datasci.com ©2023 Data Sciences International
Find the difference from that stable value to the pressure before you injected the syringe. Use this
difference as ΔP
1
in the equation below.
 =
∆
1
× 

∆
0
− ∆
1
Pressure Conversions and Useful Information
Conversion
Multiply by this value
Inches Mercury to cm H2O
34.53
Torr to cm H2O
1.3595
mm of Mercury to cm H2O
1.3595
Pascal to cm H2O
0.0102
Kilopascal to cm H2O
10.197
mb to cm H2O
1.0197
Sizes
ID of 14 Gauge Sheath (Rat)
1.524 mm
ID of PE260 Tubing (Rat)
1.778 mm
ID of 19 Gauge Stainless Tubing
0.889 mm
ID of 18 Gauge Stainless Tubing
1.0668 mm
ID of 17 Gauge Stainless Tubing
1.27 mm