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 81–100 of 1,000 ranked alternatives.
iCertifi
Certify electrical systems on the go
Perform electrical inspections, testing, and certification offline. Create and save certificates without internet. Access BS7671 standards directly on iOS devices. Print or share certificates with a subscription.
ZIJIAN CHEN
Convert units across 18 categories
Convert units across 18 categories including angle, area, base, digital storage, and electric potential.
Margaret Hayes
Calculate, analyze, and manage engineering tasks
Perform stoichiometric calculations and material balance analysis. Calculate electrical circuits and fluid dynamics. Access engineering formulas and unit converters. Manage project timelines and resource allocation.
7th Gear
Calculate, customize, and solve equations
Calculator lets users perform basic and scientific calculations with over 30 functions. Switch between portrait and landscape modes. Customize leather color and background texture on iPad. Take notes or draw directly on the interface.
Cyberprodigy LLC
Calculate size, velocity, and pressure drop
™ lets users input airflow, velocity, or friction to determine size. Calculate pressure drop and flow rate. Input dimensions for custom shapes. Export results and save calculations.
V PUGAZHENTHI
Calculate box fill, fill, and wire volume
Calculate box fill, fill, and wire volume according to NEC standards. Input device counts, equipment grounding, and internal clamps. Access common box sizes and types for accurate volume calculations.
FEGIME Deutschland Marktgemeinschaft im Elektrogrosshandel GmbH & Co. KG
Calculate electrical formulas on the go
Access formulae and tabulations for electrical calculations. View clear graphics and tables. Convert units automatically. Follow German and European standards. Input data for circuit analysis and system design.
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.
Snappy Appz Inc.
Calculate formulas and code results
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.
Adem ELMACI
Calculate electrical values instantly
Perform electrical calculations using Ohm's Law, voltage, current, resistance, and power. Analyze three-phase systems with balanced and unbalanced load options. Convert units and calculate wire sizes. Save and export calculation results.
Flicent Inc
Calculate square footage and convert measurements
ContractorCalculator helps users perform on-the-go calculations for square footage, measurement conversions, and fraction math. It supports trade-specific tasks like amps to watts and wire size.
Raja Vijayaraman
Calculate, edit, and organize equations
Perform calculations with a clean interface. Store and reuse numbers using the Memory Area. Bookmark equations for quick access. Drag and drop values between calculations. Switch between scientific and basic modes. Export results as text or image.
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