Square Root Calculator
Calculate the square root, cube root, or any nth root of any positive number.
Or enter a custom root (e.g. 5 for 5th root)
How to Use the Square Root Calculator
- 1
Enter the number
Input the positive number you want to find the root of.
- 2
Select root type
Choose square root (2), cube root (3), or enter a custom nth root.
- 3
View the result
See the exact and decimal result instantly.
💡 Tips & Tricks
- •Memorize perfect squares up to 20 for quick mental math.
- •The square root of a fraction: √(a/b) = √a / √b.
- •Use the nth root for financial calculations like compound growth rates.
Frequently Asked Questions
Related Calculators
Percentage Calculator
% of, % change, reverse %
Scientific Calculator
Advanced math functions
Fraction Calculator
Add, subtract & simplify fractions
Other Categories
Share This Tool
Found this calculator useful? Share it with friends or colleagues.