What Size Inverter Do I Need? | Inverter Calculator

Inverter Size Calculator | What Size Inverter

Use our inverter size calculator to find the right power inverter. Get accurate results and choose the best inverter manufacturer solution.

Find the Right Inverter Size for Your Needs

Use our inverter calculator to estimate the required power in seconds

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Find Your Perfect Inverter

How to Use the Inverter Calculator

  • Add up the total wattage of your devices
  • Select the surge multiplier based on device type
  • Get recommended inverter size instantly

Common Appliance Power Consumption

Device

Wattage

Laptop

50–100W

TV

100–300W

Refrigerator

150–800W

Microwave

800–1500W

Power Tools

1000–3000W

Industrial

5000-8000W

Recommended Inverter Solutions

300W Inverter

Portable & small devices

1000W Inverter

Home & RV use

2000W Inverter

Solar systems

3000W Inverter

Off-grid home

5000W Inverter

Industrial

8000W Inverter

Industrial

FAQ

Q1: How do I calculate inverter size?
A: Add total wattage and multiply by surge factor.

Q2: What is surge power?
A: Extra power needed to start devices like motors.

Q3: Should I oversize my inverter?
A: Yes, 20–30% margin is recommended.

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