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Use this amps to watts converter to get conversion by entering the values of amps and volts.

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This Amps to Watts calculator calculates the wattage (power) of an electric device based on its amperage (current) and voltage.

Amperes and watts are the units of measurement that represent various aspects of electric properties.

**Amps (amperes):**

Amps is the unit that measures the current flow of charges through the circuit. As the amperage increases, a large volume of electrical current can pass through the circuit.

**Watts (wattage):**

Watts indicates the speed at which energy is used or generated, commonly called power. The higher the wattage, the more power and output the appliance produces.

To calculate the amp to watt look at the formulas below:

To calculate amps from the DC (Direct current), divide the watts by the voltage.

Power = Current × Electric potential

Watts (W) = Amps (A) × Volts (V)

To find the AC (Alternating current) single-phase amp to watt follow the formula below:

Power = Power Factor × Current × Electric Potential

Watts = PF × Amps (A) × Volts (V)

**Calculation with line-to-line Voltage:**

Power (P) = √3 × VLL (V) × I (A)

Where:

- P = Power in watts
- VLL = Line-to-line voltage
- I = Current in amperes

This formula is used when you know the line-to-line voltage and the current flowing through the system.

**Calculation with line to Neutral Voltage:**

Power (P) = 3 × VLN (V) × I (A)

Where:

- P = Power in watts
- VLN = Line-to-neutral voltage
- I = Current in amperes

This formula is used when you know the line-to-neutral voltage and the current flowing through the system.

If you have a **120-volt** light bulb that draws **0.5 amps** of current, you can calculate its wattage as:

Wattage = Volts x Amps

Wattage = 120 volts x 0.5 amps

Wattage = 60 watts

You can also calculate it by using the volts, amps watts calculator to determine the wattage to ensure your electrical system is operating safely and efficiently.

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Current (A) | Voltage (V) | Power (W) |
---|---|---|

1 amps | 120 volts | 120 watts |

2 amps | 120 volts | 240 watts |

3 amps | 120 volts | 360 watts |

4 amps | 120 volts | 480 watts |

5 amps | 120 volts | 600 watts |

6 amps | 120 volts | 720 watts |

7 amps | 120 volts | 840 watts |

8 amps | 120 volts | 960 watts |

9 amps | 120 volts | 1080 watts |

10 amps | 120 volts | 1200 watts |

Domestic Portable Appliance | Amps Used | Watts Used |
---|---|---|

Laptop | <0.5 | Up to 100 |

Mobile phone charger | <0.5 | Up to 75 |

Chargers for battery operated devices | <0.5 | Up to 75 |

Battery chargers for tools | 1.5 | Up to 350 |

Fridge (under counter type) | 0.75 | 100 |

Mini Fridge | 0.5 | 100 |

Fridge Freezer (Standard) | 1.5 | 150 |

Kettle | Up to 13 | Up to 3000 |

Satellite TV box/ Streaming devices | <0.5 | 30 |

Printer | <0.5 | 50 |

Radio | <0.5 | 15 |

Radiator or Fan Heater | Up to 13 | Up to 3000 |

Desk lamp (with LED lamp) | <0.5 | 5 |

DVD | <0.5 | 20 |

Hair Dryer | 10.0 | 2200 |

Hair Straighteners | <0.5 | Up to 100 |

Computer monitor | <0.5 | 25 |

Desktop Computer | 1.3 | Up to 3000 |

Television 55” UHDr | <0.5 | 120 |

Games console | 0.86 | 200 |

Washing machine | 10 | 2200 |

Toaster (4 Slice) | 9.0 | 2000 |

Toaster (2 Slice) | 4.0 | 900 |

Tumble dryer (Heat Pump) | 3.5 | 800 |

Iron | 13 | 3000 |

Dishwasher | 10.0 | 2200 |

Microwave | 6.5 | 1500 |

Vacuum cleaner | 9.0 | 2000 |

Wi-Fi router | <0.5 | 15 |

Electric Vehicle (Slow Charge) | Up to 13 | Up to 3000 |

Portable air conditioner | Up to 9.3 | Up to 2000 |

Alarm clock radio | <0.5 | Up to 6W |

Slow cooker | <0.5-1.1 | Up to 250W |

Portable Speaker (Bluetooth/wi-fi) | <0.5 | Up to 65W |

Toothbrush charger | <0.5 | Up to 2.5W |

The amount of wattage per amp varies based on the system's voltage. For a DC conversion at 120 volts, 1 amp will be equal to 120 watts.

As we know a volt is a unit of electric potential, similar to the voltage. To find the power you need to know the current (amps) being drawn.

The formula to calculate power is:

Watts = Volts x Amps

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