Math Calculators
Percentages, algebra, geometry, and number tools
Percentage Calculator
Calculate percentages: find X% of Y, what percent X is of Y, or X is Y% of what.
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Percentage Change Calculator
Calculate the percentage increase or decrease between two values.
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Fraction Calculator
Add, subtract, multiply, and divide fractions with step-by-step results.
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Square Root Calculator
Calculate the square root or nth root of any number.
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Exponent Calculator
Calculate base raised to any power (base^exponent).
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Logarithm Calculator
Calculate natural log (ln), log base 10, or logarithm with any custom base.
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Scientific Notation Calculator
Convert numbers to and from scientific notation.
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Significant Figures Calculator
Count significant figures in a number and round to a specific number of sig figs.
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Quadratic Formula Calculator
Solve quadratic equations (ax² + bx + c = 0) and find the roots.
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Pythagorean Theorem Calculator
Find the missing side of a right triangle using a² + b² = c².
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Greatest Common Factor Calculator
Find the greatest common factor (GCF) of two numbers.
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Least Common Multiple Calculator
Find the least common multiple (LCM) of two numbers.
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Prime Factorization Calculator
Find the prime factors of any positive integer.
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Slope Calculator
Calculate the slope of a line between two points.
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Midpoint Calculator
Find the midpoint between two points on a coordinate plane.
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Distance Formula Calculator
Calculate the distance between two points on a coordinate plane.
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Area Calculator
Calculate the area of common shapes: circle, rectangle, triangle, and trapezoid.
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Circumference Calculator
Calculate the circumference of a circle from its radius or diameter.
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Volume Calculator
Calculate the volume of common 3D shapes: sphere, cylinder, cube, and cone.
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Average Calculator
Calculate the mean, median, and mode from a list of numbers.
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Weighted Average Calculator
Calculate the weighted average of values with different weights.
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Decimal to Fraction Calculator
Convert a decimal number to its simplest fraction form.
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Fraction to Decimal Calculator
Convert a fraction to its decimal and percentage equivalent.
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Mixed Number Calculator
Convert between mixed numbers and improper fractions.
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Proportion Calculator
Solve a/b = c/d for any missing value in a proportion.
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Ratio Calculator
Simplify ratios and scale them to a desired total.
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Golden Ratio Calculator
Calculate golden ratio relationships using phi (1.618...).
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Factorial Calculator
Calculate factorial (n!), double factorial (n!!), and subfactorial (!n).
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