Calculate voltage, current, and resistance
Calculate electrical values using Ohm’s Law and related formulas. Input voltage, current, or resistance to determine missing variables. Access circuit diagrams and safety guidelines. Convert units between volts, amps, and ohms.
Showing 121–140 of 1,000 ranked alternatives.
Malmoset, LLC
Control power and adjust temperature remotely
Control devices remotely with 2 or 4 channels and up to 15 amps. Monitor temperature with a sensor and view settings on a bright OLED display. Set automations based on time or temperature thresholds.
Eroldawn Pty Ltd
Manage jobs, track staff, and schedule tasks
Manage jobs with digital job cards, track staff locations, and send client emails and texts. Create quotes, log job notes and photos, and handle online bookings. Schedule tasks and manage assets through the .
Rome Rock LLC
Convert units between metric and imperial systems
Convert units between metric and imperial systems including area, distance, speed, temperature, volume, time, weight, energy, and power. Calculate area, speed, distance, and volume with supported units. Switch between units quickly and accurately.
John Stacy
Calculate service demand loads accurately
Calculate service demand loads compliant with NEC 220.42–220.82. Use Standard or Optional methods. Add dryers, ranges, fixed appliances, HVAC, and motors. Automatically determine largest heat or cool load.
Calc Hub, LLC
Estimate blocks and bricks for walls
Calculate materials for and brickwork projects. Estimate blocks, bricks, mortar, concrete, and gravel needed. Input wall dimensions in various units. Use calculators for area, volume, and retaining walls.
Thomas Gruber
Design circuits, simulate, and analyze electronics
Manage electronic circuits with schematic design tools. Calculate resistor values and voltage drops. Simulate circuit behavior and analyze results. Access component datasheets and engineering formulas. Export designs and share project files.
Arismendi Hernandez
Select wires, get conduit size
Calculate conduit trade size based on wire sizes and NEC 2023 standards. Input up to five wire sizes to determine minimum required conduit size. Verify code compliance for electrical installations.
Kopperfield, Inc.
Design projects with load calcs and diagrams
Provides load calculations, line diagrams, and panel schedules for electrical projects. Users input property details to generate updated calculations.
He Zhou
Calculate charging speed and optimize device power
Measure charging wattage and milliamp rates to assess charging speed. Track charge duration and effectiveness for comparison. Calculate optimal charging combinations for device efficiency.
Calc Hub, LLC
Calculate materials and estimate costs for paving
Calculate , base material, and sealcoat quantities for paving projects. Input dimensions in various units and receive results in tons, cubic yards, or cubic meters. Estimate material costs based on input measurements.
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