Percentage, fraction, exponent, root and geometry calculators. 35 calculators — all free, no sign-up.
Calculate percentages quickly and accurately.
→Add, subtract, multiply and divide fractions.
→Calculate the arithmetic mean of any set of numbers.
→Calculate standard deviation and variance of a data set.
→Calculate any number raised to a power.
→Calculate square, cube and nth roots.
→Calculate natural and common logarithms.
→Find the greatest common factor of two numbers.
→Find the least common multiple of two numbers.
→List all common factors of two numbers.
→Break a number into its factors.
→Find the prime factors of any number.
→Calculate with and convert binary numbers.
→Calculate with and convert hexadecimal numbers.
→Perform precise arithmetic on very large numbers.
→Solve long division step by step.
→Full scientific calculator with trig, log and more.
→Calculate the area of rectangles, triangles, circles and more.
→Calculate the perimeter of common shapes.
→Calculate the volume of cubes, cylinders, spheres and more.
→Calculate the surface area of 3D shapes.
→Calculate a circle's area, circumference and radius.
→Calculate triangle sides, angles and area.
→Calculate the sides of a right triangle.
→Calculate the slope between two points.
→Calculate the distance between two points.
→Calculate density from mass and volume.
→Calculate the half-life of a substance.
→Calculate a statistical confidence interval.
→Calculate mean, median and mode of a data set.
→Calculate permutations and combinations.
→Calculate event probabilities.
→Round numbers to any decimal place.
→Convert numbers to and from scientific notation.
→Generate random numbers in any range.
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