Physics calculators
Physics calculators rearrange textbook relations for mechanics and related topics. Inputs must use the units printed on each field.
These are idealised models. Friction, drag, and material limits are omitted unless a page includes them in the formula.
-
Physics
Acceleration Calculator
Average acceleration from change in velocity and time.
Open tool → -
Physics
Angular Resolution Calculator
Diffraction-limited angular resolution θ ≈ 1.22 λ / D.
Open tool → -
Physics
Angular Velocity Calculator
Compute average angular velocity ω = θ / t.
Open tool → -
Physics
Aperture Area Calculator
Area of a circular aperture from its diameter.
Open tool → -
Physics
Bernoulli Equation Calculator
Solve for downstream pressure P₂ along a streamline.
Open tool → -
Physics
Brewster's Angle Calculator
Polarizing angle θ_B = arctan(n₂ / n₁).
Open tool → -
Physics
Buoyancy Calculator
Buoyant force F_b = ρ V g (Archimedes).
Open tool → -
Physics
Capacitance Calculator
Capacitance from charge and voltage: C = Q/V.
Open tool → -
Physics
Cylindrical Pipe Flow Rate Calculator
Volumetric flow Q = π r² v for a full circular pipe (workbook name).
Open tool → -
Physics
Density Calculator
Density ρ = m / V.
Open tool → -
Physics
Displacement (distance traveled) Calculator
1D displacement under constant acceleration: s = u t + ½ a t².
Open tool → -
Physics
Drag Equation Calculator
Quadratic drag force F_d = ½ ρ v² C_d A.
Open tool → -
Physics
E = mc² Calculator
Mass–energy equivalence E = m c² (workbook: E = mc²).
Open tool → -
Physics
Electric Power Calculator
Power from voltage and current: P = V I.
Open tool → -
Physics
Force Calculator
Newton's second law: F = m a.
Open tool → -
Physics
Free Fall Calculator
Distance and impact speed for free fall from rest: s = ½ g t², v = g t.
Open tool → -
Physics
Frequency Wavelength Calculator
Convert frequency ↔ wavelength (mode 0: f→λ, 1: λ→f).
Open tool → -
Physics
Friction Calculator
Kinetic/static friction magnitude F = μ N.
Open tool → -
Physics
Froude Number Calculator
Froude number Fr = v / √(g L).
Open tool → -
Physics
Gravitational Force Calculator
Newton's law of universal gravitation between two masses.
Open tool → -
Physics
Hooke's Law Calculator
Spring force F = k x.
Open tool → -
Physics
Hydraulic Pressure Calculator
Fluid pressure from force on a piston area.
Open tool → -
Physics
Hydraulic Radius Calculator (Full Pipe)
Full circular pipe hydraulic radius R_h = D/4 (workbook name).
Open tool → -
Physics
Hydrostatic Pressure Calculator
Pressure at depth: P = ρ g h.
Open tool → -
Physics
Ideal Gas Calculator
Ideal gas law (SI). Solve for P, V, n, or T.
Open tool → -
Physics
Impulse and Momentum Calculator
Impulse J = F t = m Δv and resulting final velocity.
Open tool → -
Physics
Index Of Refraction Calculator
Refractive index n = c / v (workbook capitalization).
Open tool → -
Physics
Kinetic Energy Calculator
Translational kinetic energy KE = ½ m v².
Open tool → -
Physics
Knudsen Number Calculator
Knudsen number Kn = λ / L.
Open tool → -
Physics
Length Contraction Calculator
Relativistic length contraction L = L₀ √(1 − v²/c²).
Open tool → -
Physics
Lightning Distance Calculator
Estimate storm distance from thunder delay using the speed of sound.
Open tool → -
Physics
Mach Number Calculator
Mach number M = v / a.
Open tool → -
Physics
Magnitude Of Acceleration Calculator
Absolute value of average acceleration |Δv / Δt|.
Open tool → -
Physics
Malus Law Calculator
Transmitted intensity I = I₀ cos²θ through a polarizer.
Open tool → -
Physics
Moment Of Inertia Calculator
Solid cylinder/disk about central axis: I = ½ m r² (workbook capitalization).
Open tool → -
Physics
Newton's Second Law Calculator
Compute force from mass and acceleration (F = ma).
Open tool → -
Physics
Normal Force Calculator
Normal force on a mass on an incline: N = mg cosθ.
Open tool → -
Physics
Ohm's Law Calculator
Solve for voltage, current, or resistance with Ohm's law.
Open tool → -
Physics
Period Pendulum Calculator
Small-angle simple pendulum period T = 2π √(L/g).
Open tool → -
Physics
Poisson's Ratio Calculator
Poisson's ratio ν = −ε_lateral / ε_axial.
Open tool → -
Physics
Potential Energy Calculator
Gravitational potential energy PE = m g h.
Open tool → -
Physics
Pressure Calculator
Pressure as force over area, P = F / A.
Open tool → -
Physics
Reduced Mass Calculator
Two-body reduced mass μ = m₁ m₂ / (m₁ + m₂).
Open tool → -
Physics
Rotational Kinetic Energy Calculator
Rotational kinetic energy KE = ½ I ω².
Open tool → -
Physics
Series Parallel Resistance Calculator
Equivalent resistance series and parallel for up to 3 resistors.
Open tool → -
Physics
Strain Calculator
Engineering strain ε = ΔL / L₀.
Open tool → -
Physics
Stress Calculator
Engineering stress σ = F / A.
Open tool → -
Physics
Velocity Calculator
Average velocity v = d / t.
Open tool → -
Physics
Work Calculator
Mechanical work W = F d cosθ.
Open tool →