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 using functions including sin, cos, tan, and their inverses. Convert units with 136 converters. Access daily updated currency exchange rates. Perform algebraic calculations with 800+ formulas. Switch between degrees, radians, and grads.
Calculate income tax by entering pre-tax salary and minimal parameters. Display comparisons between new and old tax thresholds. Use the latest tax rate table. View tax deductions and post-tax income.
Calculate trucking rates by converting hourly rates into tonnage or cubic yard rates, factoring in tolls, travel time, and loading/unloading. Determine the number of trucks needed based on loading times and project duration.
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Calculate construction measurements with precise formulas for roofs, walls, and angles. Input dimensions to generate material quantities. Convert units and estimate costs. Save and share project data. Sync with construction plans.
Calculate the energy of airsoft pellets in joules to ensure compliance with legal limits. Input velocity and weight to determine power levels. Set custom thresholds for safe gameplay. Export results for record-keeping.
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Calculate pipe expansion and temperature adjustments
Calculate pipe expansion and contraction with built-in formulas. Adjust for temperature de-rating using industry-standard methods. Access tools for plumbing engineers, contractors, and architects. Future updates will add more features.
Calculate prescription dispense quantities and billable days supply with specialized tools for tablets, capsules, liquids, and more. Input prescription directions to automatically determine dosing schedules and tapering regimens.
Calculate age in years, months, and days. Input birthdate to see real-time results. Adjust date format and display preferences. Works across all device types. No additional features provided.
History and trending queries are suggested to enhance accuracy. Input text or use URL schemes to quickly access bookmarked content. Integrate with browsers for streamlined and bookmark management.
Calculate values by entering the EIA code or desired value. Determine color rings based on capacitance. Support SMD capacitors and convert between codes and values.
Calculate takeoff, landing, climb, cruise, descent, and instrument procedure for Beechcraft aircraft. Input wind and weight to determine glide distance with head or tailwinds.
Calculate with precise formulas. Input principal, rate, and time to get accurate results. View detailed breakdowns and compare different scenarios. Export results as reports. Track investment growth over time. Set reminders for financial goals.