Molar Ratio Calculator
Find mole ratios from balanced equations and convert moles, grams, or particles into a matching target amount.
Sam Gorman
Kp Calculator
Calculate Kp from equilibrium pressures or from Kc, temperature, and delta n with clear setup checks and expression help.
Equilibrium Constant Calculator
Calculate Kc or Kp from equilibrium concentrations or partial pressures and check the expression, exponents, and phase omissions.
Prime Factorization Calculator
Factor any whole number into primes, see all positive factors, and handle 0, 1, negatives, and large integers clearly.
Modulo Calculator
Find the exact remainder of two integers, see the matching quotient, and check when programming percent behavior differs.
Cross Multiply Calculator
Solve a missing value in a proportion or check whether two ratios match with clear cross-multiplication steps.
Margin of Error Calculator
Calculate a survey margin of error and confidence interval from completed responses, a survey result, and a confidence level.
Mixed Number Calculator
Add, subtract, multiply, or divide mixed numbers. See the answer as a mixed number, improper fraction, decimal, and worked steps.
Simplifying Fractions Calculator
Reduce a fraction to lowest terms. Enter the numerator and denominator to see the simplified fraction, GCF, and mixed number if needed.
Square Root Calculator
Find a principal square root, simplified radical, decimal approximation, and solutions to x squared equals your number.