Calculate voltage, current, and power
Calculate values using Ohm’s Law with inputs for voltage, current, and resistance. Determine power with formulas for watts, amps, and volts. Convert between units like volts, amps, and kilowatts. Store frequently used values for quick access.
Showing 41–60 of 1,000 ranked alternatives.
Siu Yuen Ho
Calculate, measure, and test components
Calculate component values for desired corner frequency, resistance, capacitance, or inductance. Find combinations of resistors, capacitors, and inductors. View detailed calculations and formulas. Export results. Remove ads with PRO version.
Angel Martinez
Create with drag-and-drop symbols
Create one-line using standardized symbols. Select and drag symbols to arrange . Includes IEC and ANSI symbols for engineering. Add circuit breakers, switches, fuses, and other components. Save and export .
Calc Hub, LLC
Calculate needs in tons, yards, and meters
Estimate , stone, rock, sand, topsoil, and aggregate needed for projects. Calculate required amounts in tons, cubic yards, and cubic meters. Input dimensions and material type to get accurate estimates.
V PUGAZHENTHI
Calculate based on voltage, current, distance,
Calculate based on voltage, current, distance, and voltage drop. Select units like AWG, mm, or inches. Choose material: copper, aluminum, or electrical steel. Ensure safe electrical installations for low voltage DC systems and residential AC wiring.
Calculated Industries, Inc.
Calculate hours, costs, and units
Allows users to perform improvement calculations and unit conversions. It includes 440 calculations for hours, cost estimates, and takeoff quantities. Users can save and email results. Inputs and outputs are available in decimals or fractions.
Calc Hub, LLC
Calculate materials for projects
Calculate materials with 10 tools for gravel, soil, mulch, concrete, pavers, retaining walls, grass seed, sod, area, and volume. Input dimensions in inches, feet, yards, centimeters, or meters. Output results in US customary or metric units.
Melchisedec Martinez Rodriguez
Calculate wire size and NEC® standards
Perform electrical calculations including wire size, voltage drop, and conduit sizing. Customize material and temperature settings. Access NEC® 2023 tables, FAQs, and searchable articles. Calculate ampacity and use Ohm's Law.
Rajendran Sajith Sajindran
Convert with precision and speed
Convert across 20 categories including length, weight, temperature, and more. Perform real-time conversions with 8-decimal precision. Switch between metric and imperial systems. Use scientific notation and dark mode.
PawEng, LLC
Calculate bends, enter tools, bend accurately
Calculate conduit bends with precise measurements and angle calculations. Input pipe dimensions and tool specifications. Generate bending templates and visualize the layout. Export data for use in projects.
Iqra Parveen
Convert to kilowatts and vice versa
Convert to kilowatts and vice versa using formulas for DC, single-phase AC, and three-phase AC. Input values and select voltage type to calculate power. Display results clearly with unit options.
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