Calculate groundwater withdrawal using analytical formulas
Calculate groundwater pumping schemes for isolated confined or unconfined aquifers. Use analytical formulas from works by Bokhaver, Shestakov, Mironenko, and Sindicovskiy. Input parameters to determine flow rates and drawdown values.
by Valentin Vasilev★ 0.00 ratingsUtilities$0.99Data updated 2026-09-06
Calculate loads, determine wire and conduit sizes, and find fusing and overload requirements. Input voltage, current, and load values. Generate code-compliant results based on the Canadian Electric Code.
Calculate parameters using 90 tools. Input values to determine dry bulk density, specific gravity, flow rate, head loss, pressure, and velocity. Convert units and export results. Sync data across devices.
Calculate with a . Input principal, interest rate, term, and compounding frequency. Account for federal and state taxes. View results without additional fees.
Calculate tips with customizable percentages and split options. Adjust for tax or multiple people. Save frequently used tip rates. Share calculations via copy or email.
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Calculate roof dimensions including lengths, angles, heights, and layouts for hipped, gabled, and single-pitch roofs. Determine birdsmouth measurements and pitch. Switch between metric and imperial units. Set default values for common inputs.
Calculate gas flow through an orifice meter using tube and plate dimensions. Determine if measurements fall within Beta Ranges. Input values for diameter, pressure, and temperature. Display calculated flow rate and Beta Ratio.
Motor calculator determines power, torque, or using physics formulas. Input values in various units and get results with up to 16 decimal places. Copy results to other apps. Includes formula references for calculations.