How to Convert Micrometers to Nanometers

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Micrometers and nanometers are two metric units of measurement. Both of these units are smaller than a millimeter and are often used in chemistry and biology. Many online calculators can complete a conversion between these two units for you; however, by simply remembering that there are 1,000 nanometers in a micrometer, you can easily make the calculations yourself.

Convert Micrometers to Nanometers

Use this conversion calculator to convert micrometers to nanometers.

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Formula
Method 1
Method 1 of 3:

Converting Micrometers to Nanometers

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  1. Micrometers and nanometers are both units of measurement in the metric system. Nanometers are smaller than micrometers. There are 1,000 nanometers in 1 micrometer.
  2. This information should be given to you. Make sure you are supposed to convert micrometers to nanometers. If you are converting nanometers to micrometers, or between units of measurements other than these two units, you cannot use this method, as your calculations will be different .
    • The micrometers might be listed as a whole number, or as a decimal. For example, you might need to convert 7.8 micrometers to nanometers.
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  3. Since you are converting a larger unit into a smaller unit, you will end up with more units than you started with. [1] Since there are 1,000 nanometers per 1 micrometer, to find the number of nanometers, multiply by 1,000.
    • For example, .
      So, .
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Method 2
Method 2 of 3:

Converting Nanometers to Micrometers

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  1. Both are units of measurement in the metric system. 1 micrometer equals 1,000 nanometers.
  2. You should be given the number of nanometers you need to convert. If you are using measurements other than nanometers or micrometers, you would use different calculations and thus could not use this method.
    • For example, you might need to convert 14,500 nanometers to micrometers.
  3. When converting a smaller unit into a larger unit, you end up with less units than you started with. Thus, you need to divide. [2] Since there is 1 micrometer per 1,000 nanometers, to find the number of micrometers, divide by 1,000.
    • For example, .
      So, .
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Method 3
Method 3 of 3:

Completing Practice Problems

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  1. Convert 18 micrometers into nanometers.
    • Since you are converting a larger unit (micrometers) into a smaller unit (nanometers), you should multiply.
    • There are 1,000 nanometers in 1 micrometer.
    • .
  2. 300 nanometers = ___ micrometers.
    • Since you are converting a smaller unit (nanometers) into a larger unit (micrometer), you should divide.
    • There is 1 micrometer per 1,000 nanometers.
    • .
  3. 3.8 __ = 3,800 __. Determine which value is stated in micrometers, and which value is stated in nanometers.
    • There are 1,000 nanometers in 1 micrometer.
    • Micrometers are larger than nanometers. This means a smaller number of micrometers will equal a larger number of nanometers.
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Community Q&A

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  • Question
    How do I convert nanometers to micrometers?
    Donagan
    Top Answerer
    Divide nm by 1,000.
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  • Question
    What is the ratio of micrometers to nanometers?
    Donagan
    Top Answerer
    As explained above, there are 1,000 nanometers in one micrometer. So in any given length, the ratio of micrometers to nanometers is 1:1000.
    Thanks! We're glad this was helpful.
    Thank you for your feedback.
    If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow
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      References

      1. ↑ http://www.ditutor.com/metric_system/metric_system.html
      2. ↑ http://www.ditutor.com/metric_system/metric_system.html

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