Boat electrical & energy calculators
Plan marine DC wiring, daily electrical loads, battery-bank capacity, solar panels, and charging time. Choose a calculator below to see the formula, assumptions, and an itemized result.
Marine wire size & breaker calculator
Estimate AWG and metric copper cable size plus maximum conductor-protection breaker from voltage drop and adjusted ampacity.
Open calculator →Plan the work, then verify the result
CalcLogicPro turns the measurements and operating assumptions you provide into transparent planning estimates. Product specifications, installation method, site or operating conditions, and local requirements can change the final result.
Check manufacturer documentation and confirm structural, electrical, safety-critical, or large-purchase decisions with a qualified professional or supplier.
Plan energy before selecting marine wiring
The shared solar and battery hub includes the existing load audit, battery runtime, solar, and charging tools. Their energy arithmetic also applies to boats. Marine installation requirements remain specific to the vessel.