Small tasks. Sorted.
Calculate, compare, convert and create. Find the right tool for what’s in front of you.
38 tools
Try the tool console →Average Calculator
Arithmetic mean = sum of values / count. Enter your own values; the result updates only when you run the tool.
Use this toolCircle Area
Area = π × radius². Enter your own values; the result updates only when you run the tool.
Use this toolCircle Circumference
Circumference = 2 × π × radius. Enter your own values; the result updates only when you run the tool.
Use this toolCombinations Calculator
Unordered selections without replacement: n! / (r! × (n − r)!). Enter your own values; the result updates only when you run the tool.
Use this toolCone Volume
Volume = π × radius² × height / 3. Enter your own values; the result updates only when you run the tool.
Use this toolCylinder Volume
Volume = π × radius² × height. Enter your own values; the result updates only when you run the tool.
Use this toolDensity Calculator
Density = mass / volume. Enter your own values; the result updates only when you run the tool.
Use this toolFactorial Calculator
Factorial = product of integers from 1 to n; 0! = 1. Enter your own values; the result updates only when you run the tool.
Use this toolFraction Calculator
Exact rational arithmetic with a reduced fraction result. Enter your own values; the result updates only when you run the tool.
Use this toolGreatest Common Divisor
Largest integer divisor common to both numbers; gcd(0, 0) is defined as zero. Enter your own values; the result updates only when you run the tool.
Use this toolKinetic Energy
Classical kinetic energy = ½ × mass × speed². Enter your own values; the result updates only when you run the tool.
Use this toolLeast Common Multiple
Smallest common nonnegative multiple; zero if either input is zero. Enter your own values; the result updates only when you run the tool.
Use this toolMedian Calculator
Middle sorted value, or average of the two middle values. Enter your own values; the result updates only when you run the tool.
Use this toolMode Calculator
Return every most-frequent value; ties are retained. Enter your own values; the result updates only when you run the tool.
Use this toolOhm’s Law Current
Current = voltage / resistance for an ideal resistive circuit. Enter your own values; the result updates only when you run the tool.
Use this toolPercentage Calculator
Percentage of a value = percentage / 100 × value. Enter your own values; the result updates only when you run the tool.
Use this toolPercentage Change Calculator
Relative change = (new − original) / original × 100. Enter your own values; the result updates only when you run the tool.
Use this toolPercentage of Total
Part as a percentage = part / whole × 100. Enter your own values; the result updates only when you run the tool.
Use this toolPermutations Calculator
Ordered selections without replacement: n! / (n − r)!. Enter your own values; the result updates only when you run the tool.
Use this toolPopulation Standard Deviation Calculator
Square root of mean squared deviation from the mean; treats input as the full population. Enter your own values; the result updates only when you run the tool.
Use this toolPopulation Variance Calculator
Mean squared deviation from the mean; population denominator n. Enter your own values; the result updates only when you run the tool.
Use this toolPrime Number Checker
Trial division through the integer square root; limited to one billion. Enter your own values; the result updates only when you run the tool.
Use this toolProduct Calculator
Multiply all entered values. Enter your own values; the result updates only when you run the tool.
Use this toolRange Calculator
Range = maximum minus minimum. Enter your own values; the result updates only when you run the tool.
Use this toolRatio Simplifier
Divide both integer terms by their greatest common divisor. Enter your own values; the result updates only when you run the tool.
Use this toolRectangle Area
Area = width × length. Enter your own values; the result updates only when you run the tool.
Use this toolRectangle Perimeter
Perimeter = 2 × (width + length). Enter your own values; the result updates only when you run the tool.
Use this toolRectangular Box Volume
Volume = width × length × height. Enter your own values; the result updates only when you run the tool.
Use this toolRight Triangle Hypotenuse
Hypotenuse = square root of the sum of squared perpendicular sides. Enter your own values; the result updates only when you run the tool.
Use this toolRoot Mean Square Calculator
Square root of the mean of squared values. Enter your own values; the result updates only when you run the tool.
Use this toolSample Standard Deviation Calculator
Sample standard deviation uses n − 1 and requires at least two values. Enter your own values; the result updates only when you run the tool.
Use this toolScientific Notation Converter
Express a number as a decimal coefficient times a power of ten. Enter your own values; the result updates only when you run the tool.
Use this toolSphere Surface Area
Surface area = 4 × π × radius². Enter your own values; the result updates only when you run the tool.
Use this toolSphere Volume
Volume = 4/3 × π × radius³. Enter your own values; the result updates only when you run the tool.
Use this toolSquare Root Calculator
Principal nonnegative square root. Enter your own values; the result updates only when you run the tool.
Use this toolSum Calculator
Add all entered values. Enter your own values; the result updates only when you run the tool.
Use this tool