RV & Marine

Browse 5 rv & marine tools. Opening 12V Camping Fridge Runtime Calculator.

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 Camping Fridge Runtime Calculator

Inputs

Adjust values to update results live

Battery energy (WH)

Fridge rated use (WH/DAY)

At 77°F lab rating

Estimated runtime

Enter battery & fridge Wh/day

Hot ambient increases compressor duty. Cool ≈0.85× rated Wh, mild 1.0×, hot 1.35× daily draw.

Q: Ice vs compressor? A: This targets 12V compressor fridges, not ice chests.

Hot ambient increases compressor duty. Cool ≈0.85× rated Wh, mild 1.0×, hot 1.35× daily draw.

Q: Ice vs compressor? A: This targets 12V compressor fridges, not ice chests.

Refrigerator Energy Usage CalculatorEstimate refrigerator kWh and cost from wattage and electricity rate.Use this to see if your old fridge is quietly costing you money.
Battery RuntimeEstimate how long a battery lasts at a given power draw.Use this to plan how long your devices will keep running before a recharge.
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.

Hot ambient increases compressor duty. Cool ≈0.85× rated Wh, mild 1.0×, hot 1.35× daily draw.

Q: Ice vs compressor? A: This targets 12V compressor fridges, not ice chests.

Hot ambient increases compressor duty. Cool ≈0.85× rated Wh, mild 1.0×, hot 1.35× daily draw.

Q: Ice vs compressor? A: This targets 12V compressor fridges, not ice chests.