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 and engineering parameters with 134 formulas. Input values to compute force, friction, acceleration, work, power, and more. Access definitions and formulas for each calculation. First 5 calculators are free; others require in- purchase.
Calculate monthly payments and interest for credit cards. Input balance, APR, and monthly payment to see total interest paid. Track progress and adjust payments to reduce faster.
Calculate cylinder forces and speeds. Determine pump speed, torque, and power using displacement, flow, and pressure. Compute fluid velocity, cross-sectional area, and Reynolds number for lines.
Calculate for horizontal and vertical cylinders with flat heads, rectangular tanks, and horizontal vessels. Input dimensions and liquid height to get accurate results. Export calculations and share data directly.
Perform calculations with built-in formulas and expressions. Input daily rates and work schedules to compute annual income. Simplify complex equations with fewer button presses. Track multiple scenarios by adjusting variables.
Calculate values using formulas and code-compliant results. Determine wire, conduit, fuse, and ground sizes based on Canadian Electric Code. Track load calculations, voltage drops, and system efficiency.
Calculate masks and network IP addresses without internet. Input IP and details to determine and range. Convert between decimal and CIDR notation. Export results as text or copy directly.
Perform calculations for wood projects. Input measurements and materials. Estimate costs and quantities. Save and share project notes. Convert units and access formulas.
Calculate asset using percentage and straight line methods. Input time periods and values to determine or appreciation. View results clearly and save calculations for reference.
Calculate cylinder force and pressure automatically
Allows users to input values for cylinder calculations, power, pressure difference, piston diameter, speed, lifting time, and volume flow. The automatically computes results without requiring manual formulas.
Calculate landing speeds using Boeing’s FCTM procedures for 727 to 787 models. Input aircraft type and conditions to determine speeds. Supports Airbus and other jet aircraft as well. Store and recall frequently used settings.
Calculate parameters and convert units between metric and imperial systems. Access tools for critical bending moment, maximum stress, and deflection. Input loads and dimensions to determine structural properties.
Calculate , perimeter, , and weight for 170+ geometric shapes. Input measurements or use calculation methods for missing values. Select materials like metal, wood, or liquid to determine weight. Search shapes by typing or swipe through categories.
Calculate properties using Ohm's Law, current, power, voltage, resistance, and horsepower formulas for DC and AC circuits. Convert units between volts, amps, watts, and ohms. Determine power factor and RMS voltage. Estimate voltage drop in systems.