Length Converter

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Instructions

• To use this tool, simply enter a value in any field and press the Enter key.
• To express results in scientific notation to six decimal places, mark the corresponding checkbox.

What is computed?

• When appropriate, conversions follow NIST guidelines (NIST, 2016; 2006).
• You may format results according to your needs.
• You may also want to follow NIST 2006 guidelines for expressing results to a given number of significant digits:
  • If the first significant digit of the converted value is greater than or equal to the first significant digit of the original value, round the converted value to the same number of significant digits as there are in the original value.
  • If the first significant digit of the converted value is smaller than the first significant digit of the original value, round to one more significant digit.

Who can use it?

• Researchers, teachers, students, or anyone working with data conversions.

References

• NIST (2016). Factors for Units Listed by Kind of Quantity or Field of Science. NIST Guide to the SI, Appendix B.9.
• NIST (2006). The International System of Units (SI) - Conversion Factors for General Use. Nist Special Publication 1038.

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