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Mathematics

Root calculator

Root calculator: enter your values and get an instant free result.

Your result

Complete the fields and calculate.

Calculation method and formula

Number^(1 ÷ Root degree)

Understand the inputs

Number
Use a measured value or your own assumption.
Root degree
Use a measured value or your own assumption.

Assumptions and limitations

Calculations use real numbers. Logarithms require positive arguments; roots and powers are not defined for every combination. Trigonometric angles are entered in degrees.

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.

Worked example

Illustrative values. Replace them with your own inputs for your calculation.

Number
81
Root degree
2
Example result9

The result was calculated directly from your entries.

Model revision: October 17, 2026 · How CleverCalc works

FAQ

Frequently asked questions

How does Root calculator work?+

Number^(1 ÷ Root degree). Calculations use real numbers. Logarithms require positive arguments; roots and powers are not defined for every combination. Trigonometric angles are entered in degrees.

What assumptions should I consider for this result?+

Calculations use real numbers. Logarithms require positive arguments; roots and powers are not defined for every combination. Trigonometric angles are entered in degrees. The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.

How accurate is the result?+

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation. Prices, measurements and model assumptions determine how well the result represents your situation.

Is this calculator free?+

Yes. Calculations and PDF export work without an account or registration.

What happens to my inputs?+

Calculations run in your browser. Results are saved locally only when you add them to My results; favourites and history are also local. Shared links contain your values. The currency tool requests the selected currencies from its rate provider without sending your amount.

Toolbox

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