# What are the prefixes used in the metric system?

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## What are the prefixes used in the metric system?

The metric system is an alternative system of measurement used in most countries, as well as in the United States. The metric system is based on joining one of a series of prefixes, including kilo-, hecto-, deka-, deci-, centi-, and milli-, with a base unit of measurement, such as meter, liter, or gram.

## What is an example of a metric prefix?

Below is a table of the most commonly used metric prefixes that can be added to the basic units of measurement….Common Metric System Prefixes and Definitions.

Metric Prefix | Notation | Place Value |
---|---|---|

micro- | 0.000001 | millionth |

milli- | 0.001 | thousandth |

centi- | 0.01 | hundredth |

deci- | 0.1 | tenth |

## What are the six metric prefixes and their value?

Metric prefixes table

prefix | symbol | factors |
---|---|---|

hecto | h | 10 2 |

kilo | k | 10 3 |

mega | M | 10 6 |

giga | G | 10 9 |

## How many watts is 3kva?

Terminologies and Facts in UPS In physics, the basic rule for AC power states “watts = volts x amps.” So a 1,000VA UPS should be able to handle 1,000 watts, right? Ideally, but not quite.

## How many watts is 800va?

It doesn’t give a wattage, so apply the 60% formula in the link I gave. That would rate it at 480 Watts.

## How many watts is 500VA?

300 Watts

## Is VAC the same as Watts?

Watts refer to “real power,” while volt-amperes refer to “apparent power.” Both are simply the product of voltage (V) multiplied by amperage (A). Thus, a device drawing 3 amps at 120 volts would be rated at 360 watts or 360 volt-amperes.

## How do you convert VA to Watts?

The formula is VA = Watts / PF (or Watts x PF = VA). Some examples: A 100-watt laptop charger with a power factor of 0.7 would require 100 / 0.7, or 143 VA. Incandescent lights and toasters have a PF of nearly 1, so their VA and watt rating are equal.

## How much Watts is 600VA?

If you load is specified as 480 Watts with power factor 0.8 it will draw 600VA of your power supply, so the UPS of 600VA is rated for that load. Now the UPS should present you a curve of runtime (min) x Watt, examples for 600VA is 600Watt – 2 min, 300 Watt – 12 min, 100Watt – 60 min.