Math Calculators

  • Distance Calculator

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    Distance Calculator

    Choose between 2D (x, y) or 3D (x, y, z) coordinates, enter the coordinates for two points, and the calculator instantly computes the Euclidean distance…

  • Pythagorean Theorem Calculator

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    Pythagorean Theorem Calculator

    Choose whether you want to find the hypotenuse (c) or a missing leg (b), enter the known side lengths, and the calculator instantly computes the…

  • Right Triangle Solver

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    Right Triangle Solver

    Choose which two values you know (two legs, a leg and the hypotenuse, or a leg and an angle), enter the numbers, and the calculator…

  • Surface Area Calculator

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    Surface Area Calculator

    Choose a 3D shape, enter its dimensions, and the calculator instantly displays the surface area, volume, and the formula with your numbers substituted in. MATHMASTERTOOL.ONLINE…

  • Sample Size Calculator

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    Sample Size Calculator

    Enter your desired confidence level, margin of error, expected proportion (usually 50%), and optionally your total population size. The calculator instantly computes the recommended sample…

  • Number Sequence Calculator

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    Number Sequence Calculator

    Choose a sequence type (arithmetic, geometric, or Fibonacci), enter the first term (and second term for Fibonacci), the common difference or ratio, and the number…

  • Factor Calculator

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    Factor Calculator

    Enter any positive integer, and the calculator instantly lists all its factors (divisors) and shows the prime factorization in standard form. Perfect for math homework,…

  • Greatest Common Factor Calculator

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    Greatest Common Factor Calculator

    Enter two or more positive integers in the input fields, add or remove numbers as needed, and click Calculate. The calculator instantly computes the greatest…

  • LCM Calculator

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    LCM Calculator

    Enter two or more positive integers in the input fields, add or remove numbers as needed, and click Calculate. The calculator instantly finds the least…

  • Root Calculator

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    Root Calculator

    Enter a radicand (the number you want the root of) and the root degree (e.g., 2 for square root, 3 for cube root). The calculator…