46 tools · updated regularly
Math
Every tool in the workshop, searchable by name or keyword. No account, no waiting, no saved data to clear up afterwards.
Arithmetic, statistics and geometry with the method laid out beside the answer. Type an expression or paste a list of numbers and the steps come back with the result, so the figure can be checked rather than trusted.
Math
10Percentage Calculator
Find a percentage of a number, or increase and decrease it, with every variation shown side by side.
Average Calculator
Paste a list of numbers to get the mean, median, mode and range, with a clear count of what was included.
Ratio Calculator
Simplify any two-part ratio, express it as a decimal, and split a total into proportional shares.
Fraction Simplifier
Reduce a fraction to its lowest terms and read it back as a decimal, a percentage and a mixed number.
Area and Perimeter Calculator
Choose a shape, enter its dimensions, and get area and perimeter in matching square and linear units.
Pythagorean Theorem Calculator
Solve a right triangle for the hypotenuse or a missing leg, with the squares and the angle included.
Standard Deviation Calculator
Enter a list of numbers to get the standard deviation, variance, mean, range and standard error for a sample or a population.
GCD and LCM Calculator
Find the greatest common divisor and lowest common multiple of any list of whole numbers, with the reduced ratio.
Quadratic Equation Solver
Solve ax² + bx + c = 0 for real or complex roots, with the discriminant, vertex and axis of symmetry.
Binary, Hex and Decimal Converter
Convert a number between binary, octal, decimal and hexadecimal, with the bits and bytes it needs.