Math Calculators
Explore our free online math calculators for everyday calculations, including algebra, geometry, exponents, percentages, and number theory. Solve complex mathematical equations quickly and accurately…
All Tools (20)
Math (17)
Percentage (3)
Tip (1)
BMI (1)
Quadratic (1)
Pythagorean Theorem (1)
Circle (1)
Ratio (1)
Calculate the tip amount, total bill, and split per person, directly in your browser.
Calculate your Body Mass Index (BMI) from your height and weight, directly in your browser.
Calculate the discounted price and how much you save, directly in your browser.
Calculate the remaining quantity of a substance after a given time, based on its half-life, directly in your browser.
Convert a number into scientific notation, directly in your browser.
Solve a quadratic equation (ax² + bx + c = 0) for x, directly in your browser.
Calculate the hypotenuse of a right triangle from its two legs, directly in your browser.
Calculate the area, circumference and diameter of a circle from its radius, directly in your browser.
Solve a proportion (A:B = C:D) for the missing value, directly in your browser.
Round a number to a chosen number of decimal places, directly in your browser.
About Math Calculators
Explore our free online math calculators for everyday calculations, including algebra, geometry, exponents, percentages, and number theory. Solve complex mathematical equations quickly and accurately directly inside your web browser.