JY Tools

Instantly convert between 14 pressure units including Pa, atm, bar, psi, mmHg, and more.

Essential for chemistry. Calculate mass, molar mass, moles, and particle count with chemical formula parsing.

Convert between Raman shift (cm⁻¹) and scattered wavelength (nm). Supports 532nm, 633nm, 785nm, 1064nm lasers.

Solution preparation and dilution (C1V1=C2V2) tool. Calculate mass, volume, and concentration instantly.

Convert between w/w, w/v, v/v, ppm, ppb, mass, volume, and density for fast chemistry concentration work.