Online Tools

Easily calculate your exact age in years, months, and days with this simple online tool.

Convert height between cm and feet/inches or estimate a child’s future adult height accurately.

Convert units of length, weight, volume, temperature, and speed instantly.

Free Online Calculator with basic math functions.

Advanced scientific calculator for trigonometry, logarithms, powers, roots, factorials, and more.

Calculate percentages, percentage change, and more with ease.

Calculate grades, percentages, and GPAs instantly with this free online Grade Calculator tool.

Add, subtract, multiply, divide, and simplify fractions instantly.

Calculate percent error using experimental and theoretical values.

Calculate exponent and power values including negative and fractional exponents.

Perform binary arithmetic operations and convert between binary and decimal.

Convert and calculate hexadecimal values with ease.

Calculate radioactive decay and remaining quantity using half-life formulas.

Solve quadratic equations using the quadratic formula with step-by-step solutions.

Calculate logarithms with base 10, natural log, and custom bases.

Simplify ratios and compare relative values instantly.

Find square roots, cube roots, and nth roots with a single click.

Calculate the Least Common Multiple (LCM) of two or more numbers.

Find the Greatest Common Factor (GCF) or GCD of numbers.

Get all factors and prime factorization of any number.

Round numbers to any decimal place or nearest whole number.

Perform matrix operations like addition, multiplication, determinant, and inverse.

Convert numbers to and from scientific notation easily.

Calculate with extremely large numbers beyond JS limits.