Math Calculators
9 free calculators — instant results, no sign-up
Percentage Calculator
Percentage of a number, increase/decrease.
Average Calculator
Mean, median and mode calculator.
Ratio Calculator
Simplify and compare ratios.
Fraction Calculator
Add, subtract, multiply, divide fractions.
Scientific Calculator
Full scientific calculator.
Log Calculator
Logarithm and natural log calculator.
Square Root Calculator
Square root and nth root.
Power Calculator
Exponent and power calculator.
Algebra Calculator
Solve simple algebraic equations.
About Math Calculators
Our math calculators are free, accurate, and easy to use. Each tool uses standard industry formulas and updates results in real time as you adjust inputs. All calculations run entirely in your browser — no data is stored or shared. Whether you are planning a major financial decision or solving a quick everyday problem, our 9 math tools have you covered. Browse the full list above and click any calculator to get started instantly.