Unit Conversion Tools
Useful calculator and unit conversion tools for any situation. Or you can call us, and we'll do it for you.
Useful calculator and unit conversion tools for any situation. Or you can call us, and we'll do it for you.
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Our associates are empowered to perform at the highest level of quality so that we meet and exceed expectations.
Learn MoreOur associates are empowered to perform at the highest level of quality so that we meet and exceed expectations.
Learn MoreOur associates are empowered to perform at the highest level of quality so that we meet and exceed expectations.
Learn MoreOur associates are empowered to perform at the highest level of quality so that we meet and exceed expectations.
Learn MoreOur associates are empowered to perform at the highest level of quality so that we meet and exceed expectations.
Learn MoreEnter Drive Speed, Drive Sprocket Diameter and Driven Sprocket Diameter to calculate Driven Speed
Get StartedEnter Gear Outside Diameter, Gear Width and Gear Center Distance to calculate Gallons Per Minute (GPM) @ 1200 RPM.
Get StartedEnter the Cylinder Bore diameter, PSI, Rod Diameter and Angle to calculate PUSH/PULL for a hydraulic cylinder mounted at an angle
Get StartedEnter Drive Speed, Drive Sprocket Diameter and Driven Speed to calculate Driven Sprocket Diameter
Get StartedEnter the Cylinder Bore diameter, PSI and Rod Diameter to calculate PUSH/PULL for a hydraulic cylinder
Get StartedEnter Pulley Center Distance, Large Pulley Diameter and Other Pulley Diameter to calculate V-Belt Length
Get StartedEnter Drive Sprocket Diameter, Driven Speed and Driven Sprocket Diameter to calculate Drive Speed
Get StartedEnter the Wheel Outside Diameter (not the rim size) and Axle RPM to calculate Vehicle Speed
Get StartedEnter the Reservoir Diameter and Length or Height to calculate Cylindrical Tank Capacity in cubic inches/gallons
Get StartedEnter the GPM and PSI (pressure) to calculate Horsepower
Get StartedEnter the Reservoir Length, Width and Height to calculate Rectangular Tank Capacity in cubic inches/gallons
Get StartedEnter the Pump GPM, Cylinder Bore diameter, Stroke and Rod Diameter to calculate Cylinder Speed (Do not use fractions)
Get StartedCalculate Input/Exhaust Volumes to match the exhaust volume from one cylinder to the input volume of the next cylinder in a series
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John Henry Foster Co.
4700 LeBourget Dr.
St. Louis, MO 63134
314-427-0600