Math Calculators
Essential mathematical, statistical, geometric, and algebraic calculators — all processed locally in your browser.
Percentage Calculator
Calculate percentages, percent differences, and percent changes.
Open calculator →Scientific Calculator
Perform advanced scientific functions including trig, logs, and exponents.
Open calculator →Fraction Calculator
Add, subtract, multiply, and divide fractions and mixed numbers.
Open calculator →Triangle Calculator
Solve triangle sides, angles, area, and perimeter using law of sines & cosines.
Open calculator →Volume Calculator
Calculate volumes of spheres, cylinders, cones, cubes, and rectangular prisms.
Open calculator →Standard Deviation Calculator
Calculate population and sample standard deviation, variance, and mean.
Open calculator →Random Number Generator
Generate random integers or decimals within any custom range.
Open calculator →Number Sequence Calculator
Analyze arithmetic, geometric, and Fibonacci number sequences.
Open calculator →Percent Error Calculator
Calculate percentage error between experimental and theoretical values.
Open calculator →Exponent Calculator
Calculate powers, exponents, square roots, and arbitrary bases.
Open calculator →Binary Calculator
Perform binary addition, subtraction, AND, OR, XOR operations.
Open calculator →Hex Calculator
Convert and perform arithmetic on hexadecimal, decimal, and binary.
Open calculator →Half-Life Calculator
Calculate radioactive decay, half-life periods, and remaining quantities.
Open calculator →Quadratic Formula Calculator
Solve quadratic equations ax² + bx + c = 0 for real and complex roots.
Open calculator →Slope Calculator
Slope, angle, distance and the line equation through two points.
Open calculator →Slope Percentage Calculator
Convert slope between percent grade, degrees and ratio, with ADA ramp checks.
Open calculator →Log Calculator
Calculate logarithms with any custom base, natural log (ln), and log10.
Open calculator →Area Calculator
Calculate surface area of circles, triangles, rectangles, and trapezoids.
Open calculator →Sample Size Calculator
Calculate required sample size for surveys based on confidence level.
Open calculator →Probability Calculator
Calculate single event, multiple event, and conditional probabilities.
Open calculator →Statistics Calculator
Summary statistics: mean, sample standard deviation, variance and count.
Open calculator →Mean Median Mode Calculator
Find mean, median, mode, range, and sum for any data set.
Open calculator →Median Calculator
Find the median with sorted data and steps, plus Q1, Q3 and IQR.
Open calculator →Weighted Average Calculator
Weighted mean of values and weights, with every product shown.
Open calculator →Permutations & Combinations
Calculate nPr permutations and nCr combinations with steps.
Open calculator →Z-Score Calculator
Convert raw scores to z-scores and normal distribution percentiles.
Open calculator →Confidence Interval Calculator
Calculate 90%, 95%, and 99% confidence intervals for sample means.
Open calculator →Ratio Calculator
Simplify ratios, solve equivalent proportions, and scale ratios.
Open calculator →2D/3D Distance Calculator
Calculate Euclidean distance between 2D (x,y) or 3D (x,y,z) points.
Open calculator →Circle Calculator
Calculate radius, diameter, circumference, and area of a circle.
Open calculator →Surface Area Calculator
Find total surface area of 3D geometric solids.
Open calculator →Pythagorean Theorem Calculator
Solve right triangle side lengths using a² + b² = c².
Open calculator →Right Triangle Calculator
Solve right triangle angles, hypotenuse, area, and perimeter.
Open calculator →Root Calculator
Calculate square roots, cube roots, and nth roots of any real number.
Open calculator →LCM Calculator
Find the Least Common Multiple (LCM) of two or more numbers.
Open calculator →GCF Calculator
Find the Greatest Common Factor (GCF / GCD) of multiple numbers.
Open calculator →Rounding Calculator
Round numbers to nearest integer, tenth, hundredth, or sig figs.
Open calculator →Matrix Calculator
Perform 2x2 and 3x3 matrix addition, multiplication, and determinants.
Open calculator →Scientific Notation Calculator
Convert numbers to scientific notation (e.g. 1.23 × 10⁶) and E-notation.
Open calculator →Prime Factorization Calculator
Break down any integer into its unique prime factor tree.
Open calculator →Basic Calculator
Simple clean online calculator for quick arithmetic operations.
Open calculator →Long Division Calculator
Solve long division with step-by-step quotient and remainder.
Open calculator →Average Calculator
Calculate the average (arithmetic mean), sum and count of any list of numbers.
Open calculator →Frequently asked questions
What types of math calculators are available here?
We offer basic arithmetic, algebra, statistics, geometry, trigonometry, combinatorics, and number theory calculators.
Are calculations exact?
Calculations use 64-bit double precision floating point operations with clean display rounding for accurate results.
Is any of my input data saved or uploaded?
No. Every calculation is processed 100% locally in your web browser using client-side JavaScript.
Can I use these calculators on mobile devices?
Yes! All calculators feature fully responsive glassmorphism design optimized for touchscreens and desktop screens alike.