Useful scientific helpers for physics, chemistry, and lab work. Convert units, calculate energy and forces, explore formulas, and run quick scientific checks directly in your browser.
Calculate acceleration from velocity, distance, or force and mass with step by step explanations.
Decode capacitor codes or generate codes from capacitance, tolerance, and voltage.
Convert between Joules, calories, watt-hours, and more.
Calculate force using mass and acceleration, gravity, momentum change, springs, friction, centripetal motion, or work.
Convert between Newtons, Pascals, bars, psi, and more instantly.
Calculate kinetic energy from mass and velocity, or solve for missing values.
Calculate voltage, current, resistance, or power using Ohm’s law.
Calculate pH and pOH from concentration or from weak acid and weak base Ka and Kb values.
Decode resistor color bands or generate band colors from a resistance value.
Convert between m/s, km/h, mph, knots, and ft/s instantly.
Convert between Celsius, Fahrenheit, Kelvin, and Rankine.
Calculate output voltage, currents, and power for simple and loaded voltage dividers.
