Maths Calculators
Free online maths calculators and tools, including Area Calculator, Average Calculator, Fraction Calculator. Fast, simple and easy to use.
15 toolsArea Calculator
Area of rectangle, circle, triangle, and other shapes.
Average Calculator
Mean, median, mode, and range for any set of numbers.
Fraction Calculator
Add, subtract, multiply, divide, and simplify fractions with working.
GCF & LCM Calculator
Find the greatest common factor and least common multiple of integers.
Percentage Calculator
What is X% of Y? Change, increase, decrease, and difference.
Powers & Roots
Square roots, cube roots, powers, and natural logarithms.
Prime Factor Calculator
Break a positive or negative whole number into its prime factors.
Probability Calculator
Calculate simple probability, combinations, and permutations.
Quadratic Equation Solver
Solve quadratic equations with discriminant, roots, and vertex details.
Random Number Generator
Generate one or more random integers with optional unique values.
Ratio Calculator
Simplify ratios and find the missing value in a proportion.
Rounding Calculator
Round numbers to decimal places or powers of ten using clear methods.
Scientific Calculator
Evaluate powers, roots, logarithms, and trigonometric expressions safely.
Slope Calculator
Find slope, rise, run, and the line equation from two points.
Standard Deviation Calculator
Calculate population or sample standard deviation, variance, and mean.