Square Calculator

Calculate the square root of any number instantly. Supports positive numbers, decimals, and perfect squares with precise results.

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

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

Free Password generator online. Generate password values instantly with our free generator.

Free Percentage calculator online. Calculate percentage results instantly with our free calculator.

Free Random Number generator online. Generate random number values instantly with our free generator.

Free Fraction to Decimal converter online. Convert fraction to decimal values instantly with our free converter.

Convert between binary, decimal, hex, and octal. Perform binary arithmetic operations including addition, subtraction, multiplication, and division.

Calculate the standard deviation for a dataset. Measure data spread and variability for statistical analysis with step-by-step results.

Convert between improper fractions, mixed numbers, and decimals.

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

Calculate circle properties including area, circumference, diameter, and radius. Enter any known value to find the rest.

Calculate the properties of regular polygons including area, perimeter, apothem, and circumradius. Enter number of sides and side length.

Calculate rectangle properties including area, perimeter, diagonal length, and more. Enter known values.

Calculate triangle properties including area, perimeter, and angles. Enter known values to find the rest.

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

Calculate percentage increase or decrease between two values. Find the exact percentage change from old to new value instantly.

Calculate roofing materials, shingles, and costs instantly. Estimates for gable, hip, and flat roofs with waste factor included.