Many homeowners wonder how they can calculate the current total wattage of their baseboard heaters in each room. If you’re thinking about purchasing **Mysa Smart Thermostats** for your home, you should make sure that the total wattage for the electric baseboard heaters connected to your current thermostat does not exceed 3,800 watts.

Here are two quick and easy ways to find out this find out your baseboard heaters’ total wattage:

# Method One

The easiest and simplest way to calculate the total wattage of your current baseboard heaters is to locate the manufacturer’s label on your heaters. The wattage is often listed on a sticker, so you can simply add the wattage of each baseboard heater to find the total.

If the wattage is not listed on the label, you can determine the wattage of each heater with this simple formula:

### watts = amps × volts

For example, if the label on your electric baseboard shows that the current is 2.1 amps and the voltage supply is 240V, then you can perform this calculation:

### 2.1A × 240V = **500W**

**Method Two**

If you are unable to read or locate the manufacturer’s label, then you can estimate the wattage for each baseboard by measuring the length. As a general rule, you can approximate the heater’s wattage by using this calculation:

### length (feet) × 225 = watts