Significant figure converter

If you measure a radius of 2. If you use this calculator for the calculation and you enter only "2" for the radius value, the calculator will read the 2 as one significant figure. Your resulting calculation will be rounded from 4. You can think of constants or exact values as having infinitely many significant figures, or at least as many significant figures as the the least precise number in your calculation.

In this example you would want to enter 2. The resulting answer would be 4. Basic Calculator. Significant Figures Calculator. Enter numbers, scientific notation or e notation. Significant figures are calculated automatically. Significant Figures Calculator If you find this calculator useful, please consider sharing it.

Round to significant figures: 1 2 3 4 5. Solves expressions and counts the number of significant figures. Does not apply the even rule. Addition and subtraction round by least number of decimals. Multiplication and division round by least number of significant figures. Logarithm rounds by the input's number of significant figures as the result's number of decimals. Antilogarithm rounds by the power's number of decimals as the result's number of significant figures. How many significant figure are in this number?

Finding out significant numbers can sometimes be troubling. With this tool, you will easily find out the number of significant figures in a number. This tool will also tell you which digits are significant. You can convert a number to the chosen number of significant figures with the help of our free significant figure rounding calculator. A significant number refers to the digits that have meaning to a number and contribute to its accuracy. Significant figures are also known as significant numbers and are commonly referred to as sig figs.

Zeros after number in a whole number with the decimal shown are significant. Zeros after number in a whole number with no decimal shown are not significant. You can never have exactly the exact measurements that you need.

This is because there are always errors in the readings and the measurement instruments. The concept behind significant figures is to get everyone to agree on one common way to measure a certain amount of accuracy. This is the one method that everybody agrees to use no confusion when it comes to translating work. The correct number of digits must be included in the results of calculations.