Vapor Pressure of Water Calculator (kPa, mmHg, psi and more) Get fast, accurate vapor pressure of water or ice at any temperature. Convert between kPa, Pa, ...

Rate Constant Calculator Use this Rate Constant Calculator to quickly find the reaction rate constant (k), the rate of reaction, a missing concentration, or ...

Chemical Name Calculator Need a fast way to turn ions into a correct compound name or formula? The Chemical Name Calculator lets you select a cation and an ...

Arrhenius Equation Calculator The Arrhenius Equation Calculator lets you solve for the rate constant k, activation energy Ea, pre-exponential factor A, or ...

Water Hardness Calculator Use this water hardness calculator to turn routine lab numbers for calcium and magnesium into a clear hardness value you can act on. ...

Henderson–Hasselbalch Calculator Buffer chemistry shouldn’t feel like a maze. With this Henderson–Hasselbalch calculator you can plug in any three values and ...

Percent Solution Calculator: Easily Find w/v%, w/w%, and v/v% Concentrations When you prepare a solution for a lab, a classroom demo, or a production line, ...

PPM to Molarity Calculator: Accurate Conversions for Lab, Field, and Classroom When you handle solutions every day, you bounce between “parts per million” ...

Mass Percent Calculator — Fast, Accurate Percent by Mass Calculate mass percent in seconds. Enter the masses you know then read the percentage your mixture ...

Detention Time Calculator (Hydraulic Retention Time, HRT) Detention time tells you how long liquid stays inside a tank, basin, clarifier, reactor, or pipe ...

Gibbs Free Energy Calculator Use this fast, accurate Gibbs free energy calculator to find any one of the four variables in the famous relation ΔG = ΔH − TΔS. ...

Beer-Lambert Law Calculator: the fast way to convert between absorbance, transmittance, concentration, and path length The Beer-Lambert law gives you a clean ...