Contents

- 1 How many watts of heat do I need per square foot?
- 2 How many sq ft will 5000 watts heat?
- 3 How many square feet will a 1200 watt heater heat?
- 4 How many watts does it take to heat 1000 square feet?
- 5 How many square feet will 1500 watts heat?
- 6 How many watts does it take to heat 250 square feet?
- 7 Is 400 sq ft small?
- 8 How many Watts Does It take to heat a room?
- 9 How to calculate watts per square foot in meters?
- 10 How to calculate the wattage of an outdoor heater?

## How many watts of heat do I need per square foot?

10 watts

As a rule of thumb, you’ll need roughly 10 watts of heating power for every square foot of floor area in the room. This means that a 1,500-watt heater can be the primary heat source for an area measuring up to 150 square feet.

## How many sq ft will 5000 watts heat?

400 square feet

A 1500 watt space heater can heat an area of 150 square feet, and a 5000 watt garage heater can comfortably heat an area of 400 square feet.

**How many square feet does 1400 watts heat?**

A 1,500 watt heater producing 5,100 BTUs can heat 150 square feet. That’s equivalent to a 10-by-15 foot room, an 11-by-14 or one sized to 12-by-12 1/2 feet with a standard 8-foot ceiling….How many square feet will a 1400 watt heater heat?

60°F Temperature Rise | ||
---|---|---|

2 car, 12 ft ceiling | up to 700 sq ft | 8,200 watts |

### How many square feet will a 1200 watt heater heat?

120 sq. ft.

room, for example, requires a 1200 watt space heater (120 sq. ft. x 10 = 1200 watts). This is the quickest and easiest way to size a space heater, but unfortunately, there are a number of factors that can throw it off and have to be taken into account.

### How many watts does it take to heat 1000 square feet?

What Size Electric Heater do I need?

Room Size (Sq Ft with 8 foot ceiling) | Watts (Poor Insulation) | Watts (Avg Insulation) |
---|---|---|

60 square feet | 750 | 750 |

80 square feet | 1000 | 1000 |

100 square feet | 1250 | 1000 |

120 square feet | 1500 | 1250 |

**How much does it cost to run 1500 watts per hour?**

How Much Does it Cost to Run a Space Heater?

Heater Size | @10 cents | |
---|---|---|

500 watts | 5 cents | 7.5 cents |

750 watts | 7.5 cents | 11.25 cents |

1000 watts | 10 cents | 15 cents |

1500 watts | 15 cents | 22.5 cents |

#### How many square feet will 1500 watts heat?

150 square feet

A 1,500 watt heater producing 5,100 BTUs can heat 150 square feet. That’s equivalent to a 10-by-15 foot room, an 11-by-14 or one sized to 12-by-12 1/2 feet with a standard 8-foot ceiling.

#### How many watts does it take to heat 250 square feet?

In other words, a 1,500-watt heater will be great for a 250-square-foot room with central heat. If that same room had no other source of heat, you’d need a 2,000-watt heater.

**How many sq ft will 1500 watts heat?**

## Is 400 sq ft small?

400 Square Feet This is about the size of a two-car garage. In New York, 400 square feet is the minimum size for a new apartment (although apartments built before the law took effect, in 1987, are often much smaller).

## How many Watts Does It take to heat a room?

Multiply the two measurements together, and the total square footage of the room is equal to 180 square feet. Multiply the total square footage by the step 1 wattage requirements for the space. In the case of a well-insulated home, the heating wattage is 1800 watts.

**How to calculate wattage per square foot for baseboard heating?**

Calculating the wattage per square foot in a room for baseboard heating will give you a heads up as to how much electrical power is required for heating that space. As a general rule, the watts per square foot will vary by how efficient the home or room is for retaining heat. A well-insulated room will require 10 watts per square foot of room.

### How to calculate watts per square foot in meters?

If the they are given in meters, multiply the numbers by 3.280839895. For example, a room is 5.6 by 3.2 meters converts to 18.37 (5.6 x 3.280839895) by 10.50 (3.2 x 3.280839895) feet. Multiply the length of the room by width to calculate the area in square feet. In the previous example, the area of the room was 18.37-by-10.5–or 192.89 square feet.

### How to calculate the wattage of an outdoor heater?

Temp. rise ▲▼ °F °C Required Wattage ( W W ) Required Wattage ( W W ) Required Wattage ( W W ) Required Wattage ( W W ) 2 0.19 3 0.28 4 0.37 5 0.47 20°F 11°C 10 10 15 160 40°F 22°C 15 20 30 320 60°F 33°C 20 30 45 480