PPM to Molarity Calculator: Accurate Conversions for Lab, Field, and Classroom When you handle solutions every day, you bounce between “parts per million” ...
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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 ...
pH Calculator — instant pH, pOH, and This pH calculator lets you move quickly between pH, pOH, hydrogen-ion concentration, and hydroxide-ion ...
Mixing Ratio Calculator Need to split a total into clean percentages or scale a recipe to a new batch size? This Mixing Ratio Calculator does the heavy ...
Dry Matter Calculator: the simple way to compare pet foods accurately Pet food labels list nutrients on an “as-fed” basis, which includes water. That makes a ...
Soil Calculator: estimate volume, weight, and cost in minutes Use this Soil Calculator to answer the big three questions for any garden or landscaping job: ...
Dog Raisin Toxicity Calculator: fast, simple, and built for real-life emergencies Grapes and raisins can be dangerous for dogs. When panic rises you need a ...