Compressive Stress Calculator
The Compressive Stress Calculator computes compressive stress from applied load and cross-sectional area, supporting SI and imperial units.
Physics
Explore our physics calculators to simplify complex concepts and calculations. From motion and energy to forces and waves, these tools help students, researchers, and enthusiasts solve problems accurately and efficiently.
Browse our 111 calculators to solve common problems in Physics — from quick estimates to detailed results. This hub links to our most-used tools and guides so you can get answers fast.
Start with the popular picks below, or jump into the full list for more specific use cases.
Gear Rack Ratio Calculator
The Gear Rack Ratio Calculator determines linear displacement per revolution and force ratio using pinion tooth count and rack module.
Brinell Hardness Number (with formula) Calculator
The Brinell Hardness Number (with formula) Calculator computes Brinell hardness from load and indentation diameter, showing the formula and supporting metric and imperial unit conversions.
Engine Volume Calculator
The Engine Volume Calculator calculates cylinder displacement using bore, stroke, and cylinder count, outputting total volume in cubic centimetres and litres.
Dynamic Compression Ratio Calculator
The Dynamic Compression Ratio Calculator calculates effective compression ratio under varying intake valve timing and atmospheric conditions for internal combustion engines.
Hydrofoil Speed Calculator
The Hydrofoil Speed Calculator computes the lift, drag and optimal speed of hydrofoil craft using fluid dynamics principles and user-specified design parameters.
Drag per Unit Span Calculator
The Drag per Unit Span Calculator estimates local wing drag per unit span from dynamic pressure, chord, and sectional drag coefficient.
Aphelion Distance Calculator
The Aphelion Distance Calculator computes a body’s aphelion distance from the Sun using the semi-major axis and eccentricity.
Greenhouse Effect Calculator
The Greenhouse Effect Calculator estimates equilibrium surface temperature and radiative forcing effects from specified greenhouse gas mixes and planetary albedo.
Camera Length Constant Calculator
The Camera Length Constant Calculator calculates the TEM camera constant using known lattice spacings and measured diffraction ring radii or spot distances.
Circulation Ratio Calculator
The Circulation Ratio Calculator computes the ratio of circulation of velocity around a closed loop to a characteristic velocity and length scale.
Coil Temperature Calculator
The Coil Temperature Calculator predicts coil temperature rise using I2R losses, ambient temperature, material properties, and convection assumptions.
Cylindrical Capacitor Calculator
The Cylindrical Capacitor Calculator computes capacitance of coaxial cylindrical conductors from inner and outer radii, length, and relative permittivity.
Capacitor Ripple Calculator
The Capacitor Ripple Calculator estimates ripple voltage and current in power supplies from load, frequency, capacitance, and ESR.
Cruise Velocity Calculator
The Cruise Velocity Calculator calculates steady-state cruise velocity from thrust, drag, weight, altitude, and air density assumptions.
Color Temperature Calculator
The Color Temperature Calculator calculates correlated colour temperature from chromaticity coordinates or spectral distribution, aiding lighting analysis and photometric comparisons.
Aerogel Weight Calculator
The Aerogel Weight Calculator estimates its weight from specified volume and density, with optional gravity adjustments for different planetary environments.
Amplifier Bias Calculator
The Amplifier Bias Calculator computes transistor quiescent operating point and required bias network values for stable linear amplification.
Coefficient of Elasticity Calculator
The Coefficient of Elasticity Calculator calculates the coefficient of restitution from initial and final velocities, with optional mass inputs and direction.
Glycol Flow Rate Calculator
The Glycol Flow Rate Calculator calculates required glycol solution flow rate from heat load, temperature change, concentration, and fluid properties.