Calculator & Converter
Density Calculator
Density Calculator uses the density formula ρ = m/V to calculate the third value for two given values - density, mass, or volume of a substance. It also finds the densities of different substances and objects.
Significant Figures Calculator
Significant Figures Calculator rounds numbers to the specified number of significant figures. It supports standard number format, e-notation, and scientific notation.
Quartile Calculator
Quartile Calculator helps you find the first (Q1), second (Q2), and third (Q3) quartiles, interquartile range, minimum and maximum values, and range of a data set in statistics.
Triangle Calculator
Triangle Calculator can help you calculate all triangle measurements: side lengths, triangle angles, area, perimeter, semiperimeter, heights, medians, inradius, and circumradius.
Scientific Notation Calculator
Scientific Notation Calculator converts numbers to scientific notation, e-notation, engineering notation, and performs addition, subtraction, multiplication, or division with them.
Sample Size Calculator
Sample Size Calculator could help you to calculate the minimum sample size and the margin of error required to meet a given set of constraints.
Hexadecimal Calculator
Hexadecimal Calculator performs hex math operations and conversions, it could convert between hexadecimal and decimal values, and also could add, subtract, multiply, and divide hexadecimal values.
Probability Calculator
Probability Calculator can find two events' probability and the normal distribution probability.
Force Calculator
Force Calculator help you to determine the unknown variable in the force equation Force = mass × acceleration (F = ma).
Percent To Fraction Calculator
Percent To Fraction Calculator could help you to convert the given percentages into fractions.
Pythagorean Theorem Calculator
Pythagorean Theorem Calculator could finds the unknown side length of a right triangle to quickly solve right triangle problems.
Roofing Calculator
Roofing Calculator is a free roofing square footage calculator to determine your roof size and get the right amount of roofing shingles for your job.