Free Hooke

Calculate Hohmann orbital transfer delta-v (burn 1 & 2), transfer ellipse semi-major axis, time-of-flight, and synodic period for Earth, Moon, Mars, and interplanetary trajectories.

Calculate Helmholtz resonant frequency, port acoustic end corrections, bass reflex enclosure tuning, cavity compliance, and neck inertance.

Calculate 1D thermal conduction, convective heat transfer, multi-layer composite wall R-values, U-values, total heat loss (Watts/BTU), and intermediate temperature gradients.

Calculate heat energy transfer (Q = mcΔT), mass, temperature change, and specific heat capacity online. Free thermodynamics calculator with substance presets.

Free Heat Conduction Calculator. Calculate Fourier conductive heat transfer (Q/t = kAΔT/d), heat flux (W/m²), thermal resistance R-value, and U-value.

Calculate Hall voltage (VH), Hall coefficient (RH), carrier density (n or p), Hall mobility (μH), sheet resistance, and majority carrier type from Hall measurements.

Calculate viscous laminar pipe flow pressure drop, volumetric flow rate Q, parabolic velocity profile, wall shear stress, and Reynolds number using the Hagen-Poiseuille equation.

Calculate gravitational attraction (F = G·m1·m2/r²), surface gravity, orbital velocity, and escape velocity online. Free universal gravitation physics calculator.

Calculate Gaussian laser beam propagation parameters: beam waist w0, Rayleigh range zR, divergence half-angle theta, spot size w(z), and M2 beam quality factor.