Engineering Tools
Tools for builders of all levels
Fast and reliable engineering calculators for learners and professionals alike.
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Free Engineering Calculators for Electronics and Circuits
These engineering calculators help students, hobbyists, and engineers solve common circuit problems quickly. Instead of calculating values manually, you can use these tools to compute resistor networks, voltage, current, capacitance, and other electronics formulas.
Whether you are learning electronics or designing real circuits, these tools simplify calculations used in Ohm's law, Calculus, and more.
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Open toolEngineering Calculator API
Engineering Calculator API that solves physics and electrical formulas instantly. Compute Ohm's Law, Watt's Law, Coulomb's Law, Faraday's Law, and more with simple JSON requests for apps, tools, and STEM projects.
Open toolOhm's Law Calculator
Calculate voltage, current, resistance, or conductance with our free Ohm's Law calculator. Solve V=IR equations instantly with step-by-step results for electrical circuits and electronics projects.
Open toolSimple, Transparent Pricing
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Free
Perfect for learners exploring engineering tools
- Access to all tools
- API access (100 req/day)
- Unlimited API requests
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For engineers and builders who need full power
- Access to all tools
- API access (100 req/day)
- Priority email support
- Unlimited API requests
Business
For builders needing a powerful tool
- Everything in Pro
- Unlimited API requests
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