Basic Math
Percentage, average, fractions, GCF & LCM, ratio and basic calculator.
Percentage Calculator
Three common percentage calculations — instant & private.
GPA Calculator
Compute your grade point average on a 4.0 scale, weighted by credits.
Ratio Calculator
Solve the missing side of a ratio, or simplify it with GCD.
Average Calculator
Mean, median, mode, sum, range — instant statistics for any list of numbers.
Percentage Change Calculator
Percent increase or decrease between two values — with multiplier.
GCF & LCM Calculator
Greatest common factor and least common multiple of any integers.
Grade Calculator
Weighted class grade from assignments, exams and categories.
Fibonacci Generator
Generate the first N Fibonacci numbers — arbitrary precision.
Prime Number Checker
Is a number prime? Instant yes/no with factor if composite.
Prime Number Generator
List the first N primes — or primes up to a limit.
Prime Factorization Calculator
Break any integer into its prime factors — 2² × 3 × 5, etc.
Multiplication Table Generator
Generate an N×N multiplication table — with hover highlight & CSV.
Basic Calculator
Simple four-function calculator — add, subtract, multiply & divide.
Basic Math Calculators
Basic math calculators handle everyday calculations quickly and accurately. Compute percentages for discounts and tips, find averages for data sets, simplify fractions, and find GCF and LCM.
These tools use standard mathematical formulas and provide step-by-step results where applicable. They are useful for students checking homework and professionals making quick calculations.
Each calculator accepts various input formats and provides results with appropriate precision. No sign-ups, no ads, no distractions.