Calculators

Below are a set of useful drilling industry calculators for your reference.

**Air Velocity Calculator (Approx.*)**

Min. Up Hole Velocity: 3,000 ft/min

Max. Up Hole Velocity: 7,000 ft/min.

Hole Diameter (inches):

Drill Pipe Outside Diameter (inches):

Flow Rate (cubic feet per minute):

* For use as a reference only.

Nominal Inside Diameter Calculator

Pipe Outside Diameter (inches):

Wall Thickness (inches):

Nominal Inside Diameter (inches):

Pipe Weight Calculator

Pipe Outside Diameter (inches):

Wall Thickness (inches):

Weight (lbs/ft):

Cross-sectional Area Calculator

Pipe Outside Diameter (inches):

Wall Thickness (inches):

Cross-sectional Area (inches squared):

Moment of Inertia Calculator

Pipe Outside Diameter (inches):

Wall Thickness (inches):

Moment of Inertia (inches⁴):

Section Modulus Calculator

Pipe Outside Diameter (inches):

Wall Thickness (inches):

Section Modulus (inches³):

Radius of Gyration Calculator

Pipe Outside Diameter (inches):

Wall Thickness (inches):

Radius of Gyration (inches):

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