Square root of 9
Radicand (Number under the radical): 9; Index (Root to calculate, e.g., 2 for square root, 3 for cube root): 2
Root Result: 3; Simplified Radical (if applicable - approximate): 3
Radical Calculator
Math0.0(0)
Simplifies radical expressions and calculates roots of numbers.
More tools:Math & Statistics Calculators
How To Use
How to use this calculator
Start with your values, or try a preset.
Step 1
Enter Radicand (Number under the radical) and Index (Root to calculate, e.g., 2 for square root, 3 for cube root) in the units shown.
Step 2
Read Root Result and Simplified Radical (if applicable - approximate) in the results panel. Results update as you change the inputs.
Step 3
Choose a preset to load an example, then adjust the values for your situation.
Worked Examples
Example calculations
See the inputs and their calculated results.
Cube root of 8
Radicand (Number under the radical): 8; Index (Root to calculate, e.g., 2 for square root, 3 for cube root): 3
Root Result: 2; Simplified Radical (if applicable - approximate): 2
Square root of 16
Radicand (Number under the radical): 16; Index (Root to calculate, e.g., 2 for square root, 3 for cube root): 2
Root Result: 4; Simplified Radical (if applicable - approximate): 4
Explore the topic
Explore More Math & Statistics Calculators
Use calculators for algebra, geometry, trigonometry, probability, statistics, averages, z-scores, tests, and graphing tasks.
People Also Calculate
Related Calculators
Continue with another tool on a related topic.
Math
Floating-Point Calculator
This calculator demonstrates the behavior of floating-point numbers in calculations and highlights potential precision issues due to the way computers store and manipulate these numbers. It allows you to input two numbers and an operation, then displays the result and the difference between the calculated result and a more precise value.
1,288 viewsOpen calculator
Math
Polynomial Graphing Calculator
Visualizes the graph of a polynomial function by calculating and plotting points.
1,204 viewsOpen calculator
Math
Arcsin Calculator (Inverse Sine)
Calculates the angle whose sine is a given number. The result is in radians.
1,156 viewsOpen calculator
Math
Weighted Average Calculator
Calculates the average where some data points contribute more weight than others.
1,154 viewsOpen calculator