Power Inverter Calculator
Determine the right size inverter for your electronics.
Table of Contents
Add Devices
Devices
Power Specs
No devices added.
Required Capacity
0 W
Continuous
0 W
Surge Peak
Recommended Inverter
Modified Sine OK-- W
Surge Capacity: -- W
*Includes 25% safety margin on continuous power.
Max 12V Amp Draw
0 A
Safe Wiring Rec.
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Common Inverter Sizes & What They Run
A quick reference guide for standard car power inverter capacities.
| Inverter Size | Typical Connection | Common Devices |
|---|---|---|
| 150W - 300W | 12V Cigarette Lighter | Laptops, phones, tablets, portable fans, small drone chargers. |
| 500W - 800W | Direct to Battery | Small TVs, game consoles, CPAP machines, mini-fridges, basic hand tools. |
| 1000W - 1500W | Direct to Battery | Small microwaves, coffee makers, blenders, power drills, small vacuum cleaners. |
| 2000W - 3000W+ | Heavy Duty Direct | Space heaters, hair dryers, circular saws, hot plates, RV air conditioners. |
Inverter Installation Essentials
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