Loading...
Loading...
Free online basic arithmetic calculators. Fast, accurate, and always free to use.
Use our free basic calculator to perform simple arithmetic operations — addition, subtraction, multiplication, and division. Fast, accurate, and easy to use.
Use our free addition calculator to quickly add two numbers together. Get the sum instantly with a step-by-step breakdown.
Use our free subtraction calculator to quickly find the difference between two numbers. Fast, accurate, and easy to use.
Use our free multiplication calculator to quickly find the product of two numbers. Fast, accurate, and easy to use.
Use our free division calculator to quickly find the quotient of two numbers. Fast, accurate, and easy to use.
Use our free percentage calculator to quickly find what a specific percentage of a number is. Fast, accurate, and easy to use.
Use our free percentage change calculator to quickly find the percent change between two values. Shows whether it's an increase or decrease.
Use our free percentage difference calculator to find the percent difference between two values. Uses the standard formula: absolute difference divided by the average.
Use our free percentage increase calculator to quickly find how much a value has increased as a percentage of the original.
Use our free percentage decrease calculator to quickly find how much a value has decreased as a percentage of the original.
Use our free average calculator to quickly find the arithmetic mean of any set of numbers. Enter values separated by commas and get the average instantly.
Use our free mean calculator to quickly find the arithmetic mean of any set of numbers. Enter comma-separated values and get the mean instantly.
Use our free weighted average calculator to find the weighted mean. Each value can have a different weight reflecting its importance.
Use our free sum calculator to quickly add multiple numbers together. Enter values separated by commas and get the total sum instantly.
Use our free difference calculator to quickly find the difference between two numbers. Shows the result with a clear step-by-step breakdown.
Use our free ratio calculator to find and simplify ratios between two numbers. Get the ratio value, simplified terms, and step-by-step breakdown.
Use our free proportion calculator to solve for the missing term in a proportion. Enter three known values and find the fourth using cross-multiplication.
Use our free inverse calculator to find the multiplicative inverse (reciprocal) of any number. Enter a value and get 1/x instantly.
Use our free reciprocal calculator to find the reciprocal of any number. Get 1/x instantly with a clear breakdown.
Use our free absolute value calculator to find the absolute value of any number. See how the distance from zero is calculated with a clear breakdown.
Use our free remainder calculator to find the remainder of a division. Enter a dividend and divisor to get the quotient and remainder.
Use our free quotient calculator to find the integer (floor) quotient of a division. Enter a dividend and divisor to get the whole number quotient and remainder.
Use our free order of operations calculator to evaluate mathematical expressions following the PEMDAS rules. Enter any numeric expression and get the correct result.
Simplify, compare, and calculate with fractions.
Decimal conversion, rounding, and arithmetic calculators.
Calculate powers, square roots, and nth roots.
Solve equations, inequalities, and algebraic expressions.
Area, volume, perimeter, and shape calculators.
Sine, cosine, tangent, and trigonometric functions.
Mean, median, mode, standard deviation, and more.
Prime numbers, factorization, factors, multiples, and LCM calculators.
Binary, decimal, and hexadecimal converters and arithmetic.
Arithmetic and geometric sequences and series.
Matrix operations, determinants, and inverses.
Derivatives, integrals, and limits calculators.
Complex number arithmetic and conversions.
Vector operations, eigenvalues, and linear systems.
Round numbers to specified precision and significant figures.
Odd math tools and general-purpose calculators.