The resistance R in ohms (Ω) is equal to the voltage V in volts (V) divided by the current I in amps (A):. Electric current in amps (A) to electric power in watts (W) calculator. How much wattage I need in my PSU for the PC build?

This tool will help you to select a suitable power supply unit for your system. About Us Press Release News Careers Privacy Policy Terms of Use Cookie Policy Contact Us.

Seasonic power supplies come in a wide range of power. Power Supply Calculator – Select computer parts and our online PSU calculator will calculate the required power supply wattage and amperage for your PC. Calculate how much power your system needs by entering your setup.

HOW TO USE THIS CALCULATOR. Use the Watts Calculator to determine your power in watts based on your average pace per 5meters. Alternatively, enter your watts to determine your average pace per 5meters. The formulas used are: watts = 2.

Check how many watts your computer is using when idle or in full load. This online PSU calculator tells you all you need to know. Our wattage calculator helps you determine your electrical power needs for recreation, construction, home backup, and emergency use.

It will even offer you suggestions on the right Honda generator for you. There is a very simple calculation equation for computing watt usage for an electronic device. All you need to know is the number of amperes (amps) and the number of volts for the device. Understanding watts is.

Use this calculator to determine your running and starting watt needs. Each time you add a new tool or appliance, the will automatically update below. Tool or Appliance, Running Watts , Additional Starting Watts. Add New Tools and Appliances. Highest Starting Watts.

How will you use the generator, primarily? The PSU Wattage we recommend only gives you a general idea on what to consider while selecting a power supply. PCI cards, External devices, USB and Firewire devices, Cooling fans and other components may need more power.

Read our convenient amps, volts and watts conversion guide with a handy calculator to convert between units without using a formula.

Useful calculators for estimating your speed on a bicycle velocity from various parameters. Find the right generator for the job. Generator Wattage Calculator. Wattage required at initial startup by tools and appliances with electric motors. The ongoing wattage required for all tools and appliances you want to run.

Know how much you pay for power. Consumption Calculator.