RV & Marine

Browse 5 rv & marine tools. Opening 12V to 120V Inverter Load Planner.

RV Solar & House Battery CalculatorMatch rooftop panel yield to daily 12V/24V loads and bank Ah shortfall.Use this to camp off-grid longer without draining your house battery.
Marine Trolling Motor Runtime CalculatorContinuous amp draw vs. bank Ah for trolling and house loads.Use this to know how long you can troll before the battery calls it a day.
Portable Power Station Recharge TimesCompare wall AC, car 12V, and solar MPPT hours to refill Wh capacity.Use this to pick the fastest way to refill your power station on the road.
12V to 120V Inverter Load PlannerCheck continuous and surge loads against inverter ratings.Use this to check which household devices your inverter can safely run.
12V Camping Fridge Runtime CalculatorAmbient temperature effect on compressor duty cycle and battery days.Use this to know how many days your fridge lasts off battery in hot weather.

12V to 120V Inverter Load Planner

Inputs

Adjust values to update results live

Inverter continuous (W)

Inverter surge (W)

Load vs. rating

Enter inverter & load W

Loads must stay under continuous and surge ratings. Motor starts drive surge—list compressor and pump SKUs.

Q: Inverter beep then trip? A: Often surge exceeded or battery sag under load.

Loads must stay under continuous and surge ratings. Motor starts drive surge—list compressor and pump SKUs.

Q: Inverter beep then trip? A: Often surge exceeded or battery sag under load.

Inverter SizingFind minimum inverter size from peak load and safety margin.Use this to choose an inverter that handles your loads with room to spare.
Inverter Loss CalculatorConvert DC input watts to AC output and show power lost as heat in the inverter.Use this to see how much battery energy your inverter wastes as heat.
Watts to AmpsConvert electrical power (watts) to current (amps) at a given voltage.Use this to check a device won't overload your circuit or blow a fuse.
RV Solar & House Battery CalculatorMatch rooftop panel yield to daily 12V/24V loads and bank Ah shortfall.Use this to camp off-grid longer without draining your house battery.

Loads must stay under continuous and surge ratings. Motor starts drive surge—list compressor and pump SKUs.

Q: Inverter beep then trip? A: Often surge exceeded or battery sag under load.

Loads must stay under continuous and surge ratings. Motor starts drive surge—list compressor and pump SKUs.

Q: Inverter beep then trip? A: Often surge exceeded or battery sag under load.