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Math Calculators
Significant Figures Calculator
Count the number of significant figures in any decimal or whole number.
Significant figures
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About the Significant Figures Calculator
Significant figures are the digits in a number that carry meaningful precision, including all non-zero digits, zeros between non-zero digits, and trailing zeros after a decimal point.
Rule: Leading zeros are never significant; trailing zeros are only significant if the number contains a decimal point.
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