Free Root Calculator
nth root of a number.
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Inputs
Result
3√27
3.00000000
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Short answer
nth root of a number.
What is the Root Calculator?
nth root of a number.
How does the Root Calculator work?
Enter the inputs above and read the result.
Formula
Variables
Explanation
Use fractional exponent to compute any root.
Examples
Applications
Advantages
Limitations
Common mistakes
Tips
Related concepts
The Root Calculator sits inside the Math Calculators hub, in the algebra & equations cluster. Solving for unknowns and manipulating expressions. Understanding the terms below makes the output easier to interpret and easier to compare against neighbouring measures.
Practical use cases and industry applications
Understanding Root
nth root of a number. Within math calculators, root belongs to the algebra & equations cluster, where it shares terminology and assumptions with closely related tools.
Learning how root is calculated
Use fractional exponent to compute any root. Working through the variables one at a time — — makes the result reproducible by hand and easier to sanity-check.
Using root to make a decision
Because outputs depend on the assumptions you enter, run more than one scenario before committing to a figure.
How root compares with related measures
equation, root, exponent, logarithm all describe adjacent aspects of algebra & equations. Comparing this calculator's output against those measures — using the related tools listed on this page — prevents a single metric from being read in isolation.
Frequently asked questions
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