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# Absolute uncertainty

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1. How do you calculate or find absolute uncertainty?
2. (Original post by Revision0161)
How do you calculate or find absolute uncertainty?
Absolute uncertainty is the uncertainty in unit form
So if you measured a length with a meter stick the absolute uncertainty is (+-) 1mm
3. So if I had the measured value and the percentage uncertainty I would need to multiply them together to find out the absolute uncertainty?

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