Science Calculators

Scientific calculators for biology, chemistry, and physics.

Available Tools (6)

Calculate the amount of salt needed for your swimming pool.

Convert spectacle sphere, cylinder, and axis to corneal-plane power using accurate principal-meridian vertex compensation.

Calculate the planar density and planar packing fraction for BCC, FCC, and HCP crystal structures with interactive visualizations.

Calculate gear ratios, output RPM, torque multiplication, and power transmission for single or multi-stage gear trains with live visualization.

Convert period to frequency (f = 1/T) and frequency to period with angular frequency, wavelength, RPM, and live oscilloscope wave visualizer.

Calculate water potential using solute and pressure potential.