Chemistry Calculators
Professional tools for Chemistry Calculators
Our Chemistry Calculators collection covers every chemistry topic from molarity and pH to stoichiometry, gas laws, and thermochemistry. Whether you are preparing solutions in a lab, solving AP Chemistry problems, or studying for a college exam, our 95 free chemistry calculators provide instant answers with complete step-by-step solutions!
Reaction Rate Calculator โ Rate Law, Integrated Rate Laws
compute rate=k[A]^m[B]^n, determine reaction order and rate constant by method of initial rates, solve integrated rate laws for zero/first/second order, and identify reaction order.
Use Calculator โBoiling Point Elevation Calculator โ ฮTb=Kbmi & Freezing Point Depression
compute ฮTb=Kbรmรi and ฮTf=Kfรmรi for any solvent, find molar mass by cryoscopy, calculate van't Hoff factor. Includes Kb/Kf tables for 10 solvents and van't Hoff factor presets for common solutes
Use Calculator โActivation Energy Calculator โ Arrhenius Equation, Ea & Rate Constant
solve k=Ae^(โEa/RT) for any variable, find Ea using the two-point Arrhenius method, perform linear regression on Arrhenius plot (ln k vs 1/T), and visualize the potential energy diagram.
Use Calculator โHalf Life Calculator โ Radioactive Decay, Carbon Dating & Decay Constant
solve N=Nโ(ยฝ)^(t/tยฝ) for any variable, calculate carbon-14 dating age, find decay constant ฮป, and reference half-lives for 25+ isotopes. Includes types of radioactive decay with nuclear equations.
Use Calculator โEquilibrium Constant Calculator โ Kc, Kp, ICE Tables & Q vs K
write Kc/Kp expressions, solve ICE table problems, convert Kp to Kc using Kp=Kc(RT)^ฮn, and compare Q to K to predict reaction direction. with color-coded ICE tables.
Use Calculator โStoichiometry Calculator โ Mole Ratios, Limiting Reagent & Yields
Solve mole ratio, limiting reagent, theoretical yield, percent yield, and gram-to-gram word problems for any balanced chemical equation
Use Calculator โAtomic Number Calculator โ from Any Element Protons, Neutrons & Electrons
Find protons, neutrons, and electrons for any element or isotope. Includes electron configuration, ion calculator, isotope tool, and mini periodic table.
Use Calculator โExact Mass Calculator โ Monoisotopic Mass & Isotope Abundance
Calculate the exact monoisotopic mass of any molecule from its formula. Uses IUPAC 2021 atomic masses. Results match mass spectrometry Mโบ values.
Use Calculator โBuffer pH Calculator โ Henderson-Hasselbalch with Steps
Calculate buffer pH using Henderson-Hasselbalch: pH=pKa+log([Aโป]/[HA]). Find acid-to-base ratio for target pH, buffer capacity, and pH shift from added strong acid or base. pKa table for 20 buffer systems.
Use Calculator โMichaelis-Menten Calculator โ Km, Vmax, Kcat & Lineweaver-Burk Plot
solve for Km, Vmax, velocity, and substrate concentration, generate Lineweaver-Burk plots from data, calculate kcat and catalytic efficiency, and model enzyme inhibition.
Use Calculator โDilution Factor Calculator – C1V1=C2V2, Serial Dilution Solve
Solve C1V1=C2V2 equations, calculate dilution ratios (1:10, 1:50), serial dilutions, and cell dilutions. Instant recipe box showing exactly how to prepare your solution
Use Calculator โReaction Order Calculator – Zero First & Second Order Kinetics, Half Life & Rate Constant
Determine reaction order from initial rate data using the method of initial rates. Identifies zero, first, or second order from concentration-time graphs by linear regression.
Use Calculator โReaction Order Calculator – Zero, First & Second Order Kinetics, Half Life & Rate Constant
Free reaction order calculator solve zero order and first order kinetics equations, calculate half-life, determine reaction order from data. Includes integrated rate law solver and graphs.
Use Calculator โPercent Composition Calculator – Find Composition by Mass
find the percent composition by mass of any compound from its chemical formula or mass data. with examples and practice problems.
Use Calculator โEmpirical Formula Calculator – Find Empirical & Molecular Formula from Percent Composition
Find the empirical formula from percent composition or mass of each element. Shows mole ratios, simplification steps, and molecular formula from empirical formula and molar mass.
Use Calculator โLimiting Reactant Calculator – Find Limiting & Excess Reagent Step by Step
Identify the limiting reactant and excess reagent in any chemical reaction. Calculates moles available vs moles required for each reactant.
Use Calculator โPercent Yield Calculator | Theoretical,Actual & Experimental Yield
Calculate percent yield from actual and theoretical yield. Find theoretical yield from stoichiometry or actual yield from percent yield.
Use Calculator โMolarity Calculator & Solver Moles,Grams,mM to M Converter
Calculate molarity (M), moles, mass, or volume using M=n/V. Converts between mM, ฮผM, and M. Full step-by-step working shown for every calculation
Use Calculator โpH Calculator โ Convert Molarity to pH, pOH & Concentration
convert molarity to pH, find pOH, and calculate concentration of any solution. Step-by-step results with formula explanation.
Use Calculator โDNA Concentration Calculator โ ng/ฮผL, Molarity & Copy Number
Calculate DNA concentration in ng/ฮผL, convert to molarity, and find copy number per ฮผL. Uses Beer-Lambert law with A260 absorbance. NIST-verified constants included
Use Calculator โ Free chemistry, physics, biology & math calculators with step-by-step solutions. Trusted by 1000+ students. Solve any science problem instantly!
Pages
Science Solve Lab © 2026 by Shahid Ali is licensed under CC BY 4.0
