General Math Calculators

Standard arithmetic operations. Enter your values — see the result with formula, examples, and step-by-step working. Free.

Calculate percentages, increases and decreases. Quick calculation with worked example and formula. Free everyday calculator.

Round numbers to any decimal place. Enter your value and unit — see the converted result with formula and equivalents. Free.

Step-by-step long division with remainders. Enter your values — see the result with formula, examples, and step-by-step working. Free.

Multiply any two large numbers step by step with long multiplication. Enter your values — see each partial product, carrying, and the final result. Free.

Break numbers into prime factors. Enter your value and unit — see the converted result with formula and equivalents. Free.

Is your number prime? Enter any integer and instantly find out — with full divisibility proof, prime factorization, and the nearest primes. Free, no sign-up.

Convert between binary, decimal, hex and octal. Fast and accurate conversion with formula, worked examples and unit equivalents. Free online tool.

Calculate logarithms in any base (common, natural, or custom). Enter your value and base — get log, ln, and change-of-base results. Free.

Calculate any base raised to any power, including fractional and negative exponents. Enter base and exponent — see the result with full working. Free.

2×2 matrix addition, multiplication, determinant and transpose. See formula, step-by-step solution and all rearrangements. Instant math solver.

List all factors and factor pairs of any positive integer. Enter your number — see every divisor, prime check, and factor tree. Free.

Calculate remainder after division. See formula, step-by-step solution and all rearrangements. Instant math solver.

Convert to and from scientific notation. See formula, step-by-step solution and all rearrangements. Instant math solver.

Round any number to a given number of significant figures. Enter your value and sig fig count — see the result with full rounding rules. Free.

Identify place values in numbers. Enter your values — see the result with formula, examples, and step-by-step working. Free.

Write numbers in expanded form. Enter your values — see the result with formula, examples, and step-by-step working. Free.

Calculate ratio for financial or operational analysis. Enter your figures — see the result with formula, benchmark, and interpretation. Free.

Calculate Unit Rate quickly and accurately. Enter your values — see the result with the formula, worked example, and unit options. Free.

Solve any speed, distance, or time problem using d = s × t. Enter two values — see the third with formula, unit conversion, and worked example. Free.

Find the cube root of any number — perfect cube or otherwise. Enter your value and get the exact root, decimal approximation, and steps. Free.

Calculate the remainder after division (modulo operation). Enter dividend and divisor — get the modulus with quotient and verification. Free.

Convert any number to or from scientific notation. Enter a standard or scientific value — get both forms with exponent clearly shown. Free.

Calculate any nth root of any number. Enter the radicand and root index — get the exact result, decimal value, and worked calculation. Free.

Convert numbers between any bases (binary, octal, decimal, hex and more). Enter your value and target base — get the converted result instantly. Free.

Find the reciprocal of any number or fraction. Enter your value and get 1/x with decimal equivalent and multiplicative inverse shown. Free.

Calculate Decimal Rounding quickly and accurately. Enter your values — see the result with the formula, worked example, and unit options. Free.

Evaluate the floor (greatest integer) function ⌊x⌋ for any real number. Enter your value — see the floor, ceiling, and fractional part. Free.

Perform operations on complex numbers — add, subtract, multiply, divide, and find modulus. Enter real and imaginary parts — get results in rectangular and...

Solve absolute value equations step by step. Enter your equation — see all solutions, the case split method, and verification. Free.

Free online base conversion calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online bill counter. Fast and accurate results with formula, step-by-step method, and examples.

Free online binary decimal calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online coin counter. Fast and accurate results with formula, step-by-step method, and examples.

Free online confidence interval calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online cube surface area calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online currency converter. Fast and accurate results with formula, step-by-step method, and examples.

Free online dividing fractions calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online election calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online equivalent fraction calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online exchange rate calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online exponent calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online frequency calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online fuel calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online gas law calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online hex converter. Fast and accurate results with formula, step-by-step method, and examples.

Free online hours calculator weekly. Fast and accurate results with formula, step-by-step method, and examples.

Free online improper to mixed calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online logarithm calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online matrix calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online multiplication steps calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online number expanded form. Fast and accurate results with formula, step-by-step method, and examples.

Free online number words calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online p-value calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online p-value statistical test. Fast and accurate results with formula, step-by-step method, and examples.

Free online payroll calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online percentile calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online pixel density calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online place values calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online power calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online ratio calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online sample size calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online significant figures rounding calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online stem and leaf calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online stem leaf plot. Fast and accurate results with formula, step-by-step method, and examples.

Free online subnet calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online time card calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online trapezoid calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online midpoint calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online nth root calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online online calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online scientific calculator. Fast and accurate results with formula, step-by-step method, and examples.

Free online slope calculator. Fast and accurate results with formula, step-by-step method, and examples.