Code tool

Significant Figures Counter

Count significant figures in decimal and scientific notation without changing the original spelling.

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Enter one decimal or scientific-notation number per line. Leading zeros do not count; captive and decimal trailing zeros do.

Enter numbers to count their significant figures.

A QUICK WALKTHROUGH

How to use this tool

  1. Enter one decimal or scientific-notation number per line. Leading zeros do not count; captive and decimal trailing zeros do.
  2. Count significant figures

Numbers

Enter one decimal or scientific-notation number per line. Leading zeros do not count; captive and decimal trailing zeros do.

GOOD TO KNOW

Common questions

Trailing zeros in an integer without a decimal point or exponent are ambiguous. Use scientific notation to state the intended precision.

Trailing zeros in an integer without a decimal point or exponent are ambiguous. Use scientific notation to state the intended precision.