DHI Calculator Compendium

Field estimating tools for conversions, finance, hydraulics, pump efficiency, and freeze-risk screening.

Conversion Calculator

Value

Conversion

Power Factor, for kVA only

Financial Calculators

Revenue

Cost

Asset Cost

Daily Rental Rate

Utilization %

Hydraulic Calculator

Flow Rate, GPM

Total Dynamic Head, ft

Pump Efficiency %

Pipe Diameter, inches

Pipe Length, ft

Pump Efficiency Calculator

Flow, GPM

Head, ft

Brake HP Input

Water in Hose Freeze-Risk Calculator

This is a screening estimate for stagnant water in hose. It estimates time to reach the calculated freezing point and time to substantially freeze. Moving water, insulation, sunlight, hose wall material, ground contact, and residual heat can significantly change the result.

Ambient Temperature, °F

Wind Speed, mph

Hose Internal Diameter, inches

Water Starting Temperature, °F

Salinity / TDS, ppm

Hose Length, ft

Exposure Factor

Freeze point estimate: This tool uses a practical screening estimate: Freezing Point °F = 32 - (0.00013 × TDS ppm). Actual produced water behavior depends on dissolved ion chemistry, not only total ppm.

DHI Bubble Estimator

DHI Whitewater Bubble Estimator

Saturation Pressure (psi)

Water Temperature (°F)

TDS (ppm)

Whitewater Flow (GPM)

Process Flow (GPM)

Release Device

Enter values and press Calculate