ganak.appScience Calculators
14 calculators · Updated May 2026
Free chemistry and science calculators for students, researchers, and lab professionals. Calculate molar concentration, dilutions, and solution preparation with step-by-step formula breakdowns.
All Science Calculators
Hardy Weinberg Equilibrium Calculator
Calculate Hardy-Weinberg equilibrium genotype frequencies (p², 2pq, q²), carrier rates, and chi-square test. Enter allele frequencies, genotype counts, or disease prevalence.
Kinetic Energy Calculator
Calculate kinetic energy, mass, or velocity using KE = ½mv². Supports metric and imperial units with step-by-step solutions, real-world presets, and energy equivalences.
Dilution Calculator
Calculate dilutions using C₁V₁=C₂V₂, serial dilution tables, ratio-based (1:X), and percent modes. Supports M, mM, µM, mg/mL, ppm, and % units with step-by-step formulas.
Flow Rate Calculator
Calculate volumetric flow rate from pipe diameter and velocity (Q=Av) or volume and time (Q=V/t). Dedicated mass flow mode computes mass rate from density. Supports GPM, LPM, CFM, mL/hr, and 11 unit conversions with step-by-step solutions.
Reynolds Number Calculator
Calculate Reynolds number for pipe flow, flat plates, and open channels. 15 fluid presets, bidirectional solving, friction factor, and visual flow regime gauge.
pH Calculator
Free pH calculator. Calculate pH from hydrogen ion concentration, find pOH, solve buffer pH with Henderson-Hasselbalch equation. 40+ chemical presets, temperature-adjusted Kw, and step-by-step solutions.
Potential Energy Calculator
Calculate gravitational, elastic, and electric potential energy. Solve for any variable with planetary presets, step-by-step solutions, and unit conversions.
Water Potential Calculator
Free water potential calculator. Calculate Ψ from solute and pressure potential, use the van’t Hoff equation (Ψs = −iCRT) to find solute potential from concentration, or compare two cells to predict water flow direction. Supports MPa, bar, kPa, and atm.
Coulomb's Law Calculator
Calculate electrostatic force between two charges using Coulomb's Law. Solve for force, charge, or distance with unit conversions, medium selection, and step-by-step solutions.
Combined Gas Law Calculator
Free combined gas law calculator. Solve P₁V₁/T₁ = P₂V₂/T₂ for any variable with step-by-step solutions, unit conversions, and Boyle/Charles/Gay-Lussac detection.
Earth Curvature Calculator
Calculate Earth's curvature drop, horizon distance, and hidden height for any distance. Includes atmospheric refraction, altitude presets, and reference tables.
Specific Heat Calculator
Calculate specific heat capacity, heat energy, mass, or temperature change using Q = mcΔT. Supports 30+ material presets, multiple units, and step-by-step solutions.
Free Fall Calculator
Calculate free fall distance, time, and velocity for any planet. Supports initial velocity, step-by-step solutions, planet comparison, and unit conversions for physics.
Why Use Science Calculators?
Lab calculations need precision. These science calculators handle unit conversions, show the formula used at every step, and include a library of common compounds so you never have to look up molecular weights separately. Built for students doing homework and researchers preparing solutions alike.