K
Kalkulata

Square Root Calculator

Calculate square roots instantly with our free online calculator. Find √ of any number with decimal precision and step-by-step explanations.

Square Root Calculator

Calculate the square root of any number with precision control

What is a Square Root?

A square root of a number is a value that, when multiplied by itself, gives the original number. For example, the square root of 25 is 5 because 5 × 5 = 25.

Perfect Squares (1-25):

1² = 1
√1 = 1
2² = 4
√4 = 2
3² = 9
√9 = 3
4² = 16
√16 = 4
5² = 25
√25 = 5
6² = 36
√36 = 6
7² = 49
√49 = 7
8² = 64
√64 = 8
9² = 81
√81 = 9
10² = 100
√100 = 10
11² = 121
√121 = 11
12² = 144
√144 = 12
13² = 169
√169 = 13
14² = 196
√196 = 14
15² = 225
√225 = 15
16² = 256
√256 = 16
17² = 289
√289 = 17
18² = 324
√324 = 18
19² = 361
√361 = 19
20² = 400
√400 = 20
21² = 441
√441 = 21
22² = 484
√484 = 22
23² = 529
√529 = 23
24² = 576
√576 = 24
25² = 625
√625 = 25

Common Square Roots:

√2 ≈ 1.414
√3 ≈ 1.732
√5 ≈ 2.236
√6 ≈ 2.449
√7 ≈ 2.646
√10 ≈ 3.162

Properties:

  • √(a × b) = √a × √b
  • √(a/b) = √a / √b
  • √(a²) = |a|
  • √0 = 0

About This Calculator

Frequently Asked Questions

Related Math Calculators

Random Number Generator - Generate Random Numbers Online

Free random number generator. Generate random numbers within a custom range. Choose quantity, unique numbers, and sorting options. No download required.

GPA Calculator - Calculate High School & College GPA

Calculate your GPA instantly. Support for weighted and unweighted GPA. Multiple courses, cumulative GPA, and grade tracking.

Grade Calculator - Calculate Your Final Grade

Calculate your final grade with our free grade calculator. Determine what you need on your final exam to achieve your desired course grade.

Password Generator - Generate Strong Secure Passwords

Generate secure random passwords instantly. Customizable length, characters, and strength. Copy to clipboard. Free password generator.

Percentage Calculator - Calculate Percentages Instantly

Free online percentage calculator. Calculate percentage increase, decrease, difference and more. Fast, accurate results for all your percentage calculations.

Mixed Number Calculator - Convert Between Fractions and Mixed Numbers

Convert between improper fractions and mixed numbers.

Scientific Calculator - Free Online Scientific Calculator

Comprehensive scientific calculator with trigonometry, logarithms, exponents, statistics, and more. Free online scientific calculator for students, engineers, and professionals.

QR Code Generator - Create QR Codes Instantly

Generate QR codes instantly. Create QR codes for URLs, text, and contact info. Customizable colors and sizes. Free download.

Random Word Generator - Generate Random Words

Generate random words instantly. Choose word count, starting letters, and word length. Perfect for writers, students, and creative projects.

T-Test Calculator - Statistical Significance Test

Perform a t-test to compare means of two samples.

Ratio Calculator - Calculate Ratios and Proportions

Calculate ratios and proportions for various applications.

Standard Deviation Calculator - Statistics

Calculate the standard deviation for a dataset.

Fraction Calculator - Convert Fractions

Convert between improper fractions, mixed numbers, and decimals.

GCF Calculator - Greatest Common Factor

Calculate the greatest common factor of two or more numbers.

Z-Score Calculator - Calculate Z-Score

Calculate the z-score for data points in a distribution.

Discount Calculator - Calculate Sale Price & Savings

Calculate discount percentage and final sale price instantly. Find out how much you save with percentage discounts. Perfect for shopping and sales.

Password Strength Tester - Test Password Security

Test password strength instantly. Check password security, entropy, and get improvement tips. Essential for online security.

Concrete Calculator - Calculate Concrete Volume

Calculate concrete volume for slabs, footings, columns, and tubes. Get accurate estimates in cubic yards, cubic meters, and bags needed.