Voltage Drop Calculator
Calculate voltage drop across cables based on material, length, and current. Includes formulas and NEC-compliant tables for electrical engineering projects.
September 18, 2025
PCB Design & Manufacturing
Comprehensive PCB design and manufacturing tools to streamline your hardware development. Includes specialized calculators for power & transformers, manufacturing clearances, and general layout utilities. Ensure your PCB designs meet technical specifications with our reliable engineering calculators.
Transformer kVA Calculator
Calculate transformer kVA ratings for single-phase and three-phase systems. Includes formulas, step-by-step sizing guides, and practical application examples.
September 17, 2025
Short-Circuit Current Calculator
Calculate the available short-circuit current at any point in your electrical system to ensure safety, select the correct equipment, and maintain compliance.
September 17, 2025
Transformer Impedance Calculator
Calculate transformer percentage impedance (%Z), ohmic impedance, and fault current. Includes typical values, formulas, and step-by-step calculation guides.
September 17, 2025
Three Phase Calculator
Calculate current (Amps), real power (kW), and apparent power (kVA) for three-phase systems. Includes power triangle visualization, formulas, and key concepts.
September 9, 2025
Thermal Resistance Calculator
Calculate total thermal resistance (R-value) and U-value for composite wall assemblies. Features multi-layer modeling and a library of material properties.
September 6, 2025
PCB Prototype Cost Analyzer
Estimate PCB prototype costs instantly. Analyze how quantity, board size, layers, and surface finish impact your budget with interactive charts and expert tips.
September 6, 2025
PCB Assembly Cost Calculator
Estimate PCB assembly costs instantly. Calculate bare board, component sourcing, and labor expenses based on layers, quantity, and turn time to optimize your budget.
September 5, 2025
September 5, 2025
Battery Life Calculator
Estimate battery runtime based on capacity, consumption, and depth of discharge (DoD). Includes an interactive discharge chart and real-world factors.
September 4, 2025
