Enter rounding command:


How does the Significant Figures Calculator work?
Free Significant Figures Calculator - Rounds a number to a select number of significant figures
This calculator has 1 input.

What 3 formulas are used for the Significant Figures Calculator?

Step 1: Find the 4th decimal place
Look at the decider digit, which is the next digit to the right (r + 1)
If decider digit is ≥ 5, round up

For more math formulas, check out our Formula Dossier
What 6 concepts are covered in the Significant Figures Calculator?
decimal place
the position of a digit to the right of a decimal point.
Any of the numbers (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) used to construct a number
an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification. A quantity or amount.
rounding to decimal places
Approximation method of a number by dropping all decimal places after a certain number
Example calculations for the Significant Figures Calculator