🔬 Physics, converters & coordinates
Free Science & Geography Tools
Physics calculators, unit converters, and geographic tools. All in your browser, no data leaves your machine.
All Science & Geography Tools
Ohm's Law Calculator
Calculate voltage, current, resistance, or power.
Speed Distance Time Calculator
Calculate speed, distance, or time given any two values.
Force Calculator (F=ma)
Calculate force, mass, or acceleration.
Pressure Calculator (P=F/A)
Calculate pressure, force, or area.
Density Calculator (ρ=m/V)
Calculate density, mass, or volume.
Kinetic Energy Calculator
KE = ½mv² — calculate kinetic energy.
Wavelength Calculator
Calculate wavelength, frequency, or wave speed.
Frequency Calculator
Calculate frequency or period of a wave.
Gravitational Force Calculator
Newton's law of universal gravitation.
Acceleration Calculator
Calculate acceleration from change in velocity.
Work & Energy Calculator
W = F·d·cos(θ) — calculate work done.
Distance Between Coordinates
Haversine formula for lat/lng distance.
Area Calculator
Calculate area of circles, triangles, squares, and more.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin.
Length Converter
Convert between mm, cm, m, km, inches, feet, yards, miles.
Weight Converter
Convert between mg, g, kg, tonnes, oz, lb, stone.
Volume Converter
Convert between mL, L, m³, gallons, pints, cups, and more.
Speed Converter
Convert between m/s, km/h, mph, knots, ft/s.