The Farad is the basic unit of capacitance. However unless you're working with super or ultra capacitors it is too large for most applications. Most applications require capacitors with values in microfarads (uF), which is one millionth of a Farad and nanofarads (nF), one thousandth of a microfarad or one billionth of a Farad. Some applications require capacitors with values in the picofarad (pF) range. A picofarad is one millionth of a microfarad. Converting between units is relatively simple.
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Things you need
- Pen and paper (optional)
To convert microfarads to nanofarads write down or enter into your calculator, the value in microfarads and then multiply the value by 1,000. For example, to convert 22 microfarads to nanofarads: 22 uF times 1,000 equals 22,000 nF.
To convert nanofarads to microfarads, write down or enter into your calculator the value in nanofarads and divide the value by 1,000. For example, to convert 100 nanofarads to microfarads: 100 nF divided by 1,000 equals 0.1 uF.
Since this involves multiplying or dividing by a power of ten there is an alternate mechanical method that is just as effective. When converting from microfarads to nanofarads write down the value in microfarads and move the decimal point three places to the right. When converting from nanofarads to microfarads write down the value in nanofarads and move the decimal point three places to the left. From the examples in Step 2: 22.0 uF equals 22,000.0 nF and 100.0 nF equals 0.100 uF
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