The calculators I couldn't find
I'm a student builder sharing the tools I had to build for myself. Use them freely, embed them anywhere, and check the source if you want to tweak the math.
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Cable Sizing & Voltage Drop (AC/DC)
Calculate cable size based on voltage drop and thermal limits for single-phase, three-phase AC, and DC systems.
Power Factor Correction
Calculate required capacitor size to improve power factor from current to target value.
Capacitor Q Factor
Calculate quality factor, ESR effects, impedance, and frequency response of capacitors for RF, filtering, and resonant circuit design.
Cable Sizing & Voltage Drop (AC/DC)
Calculate cable size based on voltage drop and thermal limits for single-phase, three-phase AC, and DC systems.
Power Factor Correction
Calculate required capacitor size to improve power factor from current to target value.
Transformer Sizing
Select appropriate transformer rating based on load requirements, voltage levels, and efficiency.
Line Loss Calculator
Calculate I²R power losses and voltage drop in transmission and distribution lines.
Short Circuit Current
Calculate fault current for circuit breaker selection and protection coordination.
Capacitor Q Factor
Calculate quality factor, ESR effects, impedance, and frequency response of capacitors for RF, filtering, and resonant circuit design.
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