Science tools
10 free science tools, all running in your browser.
Density Calculator
Calculate density, mass, or volume instantly with full unit conversion and material comparison
Frequency to Wavelength Converter
Convert frequency to wavelength and vice versa for electromagnetic and acoustic waves using precise velocity constants.
Kinematic Equations Solver
Solve SUVAT kinematic motion equations for displacement, velocity, acceleration, and time.
Molar Mass Calculator
Calculate the molar mass of any chemical compound from its formula. Supports parentheses, nested groups, and hydration notation.
Moon Phase Calculator
Calculate the current moon phase, illumination percentage, and upcoming lunar events for any date.
Ohm's Law Calculator
Calculate voltage, current, resistance, and power instantly. Enter any two known values to solve for the rest using standard equations.
pH Calculator
Calculate the pH, pOH, and ion concentrations of strong or weak acids, bases, and buffer solutions.
Pressure Calculator
Instantly calculate pressure, force, or area using the standard physics formula P = F/A with support for metric and imperial units.
Resistor Color Code Decoder
Decode 3, 4, 5, and 6 band resistor color values instantly.
Torque Calculator
Calculate the torque (moment of force) instantly using force, distance, and angle parameters.