Math Calculators
Percentage, date difference, age, scientific and more.
From percentages and fractions to matrices and logarithms — fast, accurate calculators for students, engineers, and everyday math needs.
Age Calculator
Calculate exact age in years, months and days from a birthdate.
Amortization Calculator
Generate a full loan amortization schedule with every payment.
Date Difference Calculator
Find the exact number of days, weeks or months between two dates.
GPA Calculator
Calculate your grade point average from course grades and credits.
Inflation Calculator
Adjust an amount for inflation and find its real purchasing power.
Percentage Calculator
Calculate percentages, percentage change and percentage of totals.
Quadratic Equation Solver
Solve quadratic equations and visualize roots on a graph.
Scientific Calculator
Full-featured scientific calculator with trig, log and more.
Statistics Calculator
Calculate mean, median, mode, standard deviation, variance, quartiles and more from any dataset.
Fraction Calculator
Add, subtract, multiply and divide fractions with step-by-step solutions and simplification.
LCM & GCD Calculator
Find the Least Common Multiple and Greatest Common Divisor of multiple numbers with prime factorization.
Ratio Calculator
Simplify ratios, solve proportions and scale ratios with step-by-step working.
Matrix Calculator
Perform matrix addition, subtraction, multiplication, determinant, inverse and transpose operations.
Triangle Solver
Solve any triangle from SSS, SAS, ASA, AAS or SSA using the law of sines and cosines.
Pythagorean Theorem Calculator
Calculate missing sides of a right triangle and check for Pythagorean triples.
Combinations & Permutations
Calculate nCr combinations and nPr permutations with step-by-step factorial breakdowns.
Number Base Converter
Convert numbers between binary, octal, decimal, hexadecimal and any custom base (2–36).
Logarithm Calculator
Calculate log base b, log10, natural log (ln) and log2 with change-of-base formula and antilog.
Number to Words Converter
Convert numbers to English words and back. Supports up to quadrillions, negative numbers, and currency mode.