Fourth root calculator
Calculate fourth roots of non-negative numbers with consistent precision and copyable output.
Runs in your browserEvery computation happens in your browser — your data never leaves this device.
Radicand
Result
Fourth root
Enter a number to calculate
Decimal places: 0 · : 0
What this tool does
- Calculate fourth roots
- Verify powers
Example
Input
16
Output
∜16 = 2
A fourth root requires a non-negative input.
Frequently asked questions
Can I enter a negative?
No, real fourth roots require non-negative input.
How is precision handled?
Six decimal places by default.
Is zero valid?
Yes, it returns zero.
Keywords：四次方根fourth root根号