On this page
How to Calculate Square Roots
Formula
The square root of a number is a value that, when multiplied by itself, gives the original number. For example, sqrt(144) = 12.
This calculator also provides the cube root for additional reference.
Common use cases:
- Geometry calculations involving areas
- Physics distance and magnitude formulas
- Statistical standard deviation computations
Frequently Asked Questions
Dr. David Park
Applied Mathematician, PhD Mathematics
David holds a PhD in Applied Mathematics from MIT. He has published research on numerical methods and computational algorithms used in engineering and scientific calculators.
Was this calculator helpful?
People Also Use
Percentage Calculator
Calculate percentages easily with our free online tool. Find what percent of a number is, percentage increase, decrease, and more in one calculator.
Percentage Change
Calculate the percentage change between two values instantly, showing both the percent and absolute difference.
Percentage Increase
Calculate the result after increasing a value by a given percentage, showing both the new value and the increase amount.
Percentage Decrease
Calculate the result after decreasing a value by a given percentage, showing both the new value and the reduction amount.
Percentage Difference
Calculate the percentage difference between two values using the average of both as the reference base.
Fraction to Decimal
Convert any fraction to its decimal equivalent instantly by dividing the numerator by the denominator.
Exponent Calculator
Calculate the result of raising a base to any exponent, supporting positive, negative, and fractional powers.
Logarithm Calculator
Calculate logarithms for any base including common log (base 10), natural log (ln), and binary log (base 2).