Categories
Physics
Force, velocity, momentum, energy, density and friction
252 calculators
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Force Calculator
F = ma force calculator.
Velocity Calculator
Final velocity calculator.
Average Velocity
Average velocity.
Velocity vs Acceleration & Time
v = at.
Momentum Calculator
p = mv.
Impulse Calculator
Impulse and momentum.
Impulse-Momentum
Full impulse-momentum.
Kinetic Energy
KE = ½mv².
Gravitational Potential Energy
PE = mgh.
Elastic Potential Energy
½kx² elastic PE.
Density Calculator (Physics)
Density = mass/volume.
Pressure Calculator
P = F/A.
Friction Calculator
Friction force calculator.
Wavelength Calculator
λ = v/f.
Weight Calculator (Physics)
W = mg.
Work Calculator
W = Fd.
Ideal Gas Law
PV = nRT.
Hooke's Law Calculator
F = kx.
E = mc² Calculator
Energy-mass equivalence.
Uniformly Accelerated Motion
UAM equations.
Displacement (avg v & t)
Displacement from avg velocity.
Displacement (v & t)
Displacement from v and t.
Displacement (v, a, t)
Displacement with acceleration.
Ohm’s Law Calculator
V = IR.
Electrical Power Calculator
P = VI.
Parallel Resistors
1/R = 1/R₁ + 1/R₂.
Series Resistors
R = R₁ + R₂.
Capacitor Energy
E = ½CV².
Coulomb’s Law Calculator
F = kq₁q₂/r².
Projectile Motion
Range of a projectile.
Free Fall Calculator
Distance and velocity of free fall.
Terminal Velocity
v = √(2mg/ρACd).
Pendulum Period
T = 2π√(L/g).
Spring Oscillation Frequency
f = 1/(2π)√(k/m).
Doppler Effect
Observed frequency for a moving source.
Lorentz Factor Calculator
γ = 1/√(1−v²/c²).
Kepler 3rd Law
T² = a³ (in AU and years).
Escape Velocity Calculator
v = √(2GM/r).
Thermal Expansion
ΔL = α L ΔT.
Snell’s Law Calculator
n₁ sinθ₁ = n₂ sinθ₂.
Thin Lens Equation
1/f = 1/do + 1/di.
Sound Intensity Level
L = 10 log(I/I₀) dB.
Drag Force Calculator
F_d = ½ ρ v² A Cd.
Buoyancy Calculator
F = ρ V g.
RC Time Constant Calculator
τ = R × C for an RC circuit.
LC Resonance Calculator
Resonant frequency f = 1 / (2π√(LC)).
Inductive Reactance Calculator
XL = 2π f L.
Capacitive Reactance Calculator
XC = 1 / (2π f C).
Series RLC Impedance
|Z| = √(R² + (XL − XC)²).
Voltage Divider Calculator
Vout = Vin × R2 / (R1 + R2).
Wheatstone Bridge Calculator
Unknown resistor Rx = R3 × R2 / R1.
Transformer Turns Ratio
Ns/Np = Vs/Vp.
Watts to Amps Calculator
I = P / V.
Amps to Watts Calculator
P = V × I.
Three-Phase Power Calculator
P = √3 × V × I × pf.
LED Resistor Calculator
R = (Vs − Vf) / If.
Battery Runtime Calculator
Runtime = (Capacity × V × efficiency) / Power.
Decibel Gain Calculator
dB = 20 log₁₀(Vout/Vin).
Gravitational Potential Energy
PE = m g h.
Efficiency Calculator
η = useful / input × 100%.
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