⚛️ Physics Calculator + Visualizer

Complete physics tools • Interactive visualizations

Select calculator Speed / Velocity Acceleration Force (Newton’s 2nd Law) Weight Momentum Impulse Work Power Kinetic Energy Potential Energy Friction Torque Centripetal Force Projectile Motion Free Fall Hooke’s Law Angular Velocity

🚀 Speed / Velocity

v = s / t  |  v = Δx / Δt

Distance / Displacement (m)

Time (s)

Calculate

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📈 Acceleration

a = (v − u) / t

Initial velocity u (m/s)

Final velocity v (m/s)

Time (s)

Calculate

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💪 Force (Newton’s Second Law)

F = m · a

Mass m (kg)

Acceleration a (m/s²)

Calculate

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⚖️ Weight

W = m · g

Mass m (kg)

g (m/s²)

Calculate

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🎯 Momentum

p = m · v

Mass m (kg)

Velocity v (m/s)

Calculate

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💥 Impulse

J = F · Δt = Δp

Force F (N)

Time interval Δt (s)

Calculate

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🔧 Work

W = F · s · cosθ

Force F (N)

Distance s (m)

Angle θ (°)

Calculate

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⚡ Power

P = W / t  |  P = F · v

Work W (J)

Time t (s)

Calculate

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🏃 Kinetic Energy

Ek = ½ m v²

Mass m (kg)

Velocity v (m/s)

Calculate

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🏔️ Potential Energy

Ep = m g h

Mass m (kg)

Height h (m)

g (m/s²)

Calculate

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🛑 Friction Force

f = μ · N

Coefficient of friction μ

Normal force N (N)

Calculate

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🔄 Torque

τ = F · r · sinθ

Force F (N)

Lever arm r (m)

Angle θ (°)

Calculate

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🌀 Centripetal Force

Fc = m v² / r

Mass m (kg)

Velocity v (m/s)

Radius r (m)

Calculate

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🏹 Projectile Motion

R = v₀² sin(2θ) / g  |  H = v₀² sin²θ / (2g)

Initial velocity v₀ (m/s)

Launch angle θ (°)

g (m/s²)

Calculate

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🪂 Free Fall

v = g t  |  h = ½ g t²

Time t (s)

g (m/s²)

Calculate

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🌀 Hooke’s Law

F = −k · x

Spring constant k (N/m)

Displacement x (m)

Calculate

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🔄 Angular Velocity

ω = θ / t  |  ω = 2πf

Angle θ (rad)

Time t (s)

Calculate

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Select calculator Density Pressure Hydrostatic Pressure Buoyant Force (Archimedes) Flow Rate Continuity Equation Bernoulli Equation Reynolds Number

💧 Density

ρ = m / V

Mass m (kg)

Volume V (m³)

Calculate

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📊 Pressure

P = F / A

Force F (N)

Area A (m²)

Calculate

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🌊 Hydrostatic Pressure

P = ρ g h

Density ρ (kg/m³)

Depth h (m)

g (m/s²)

Calculate

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🫧 Buoyant Force (Archimedes)

Fb = ρ · V · g

Fluid density ρ (kg/m³)

Displaced volume V (m³)

g (m/s²)

Calculate

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🚰 Flow Rate

Q = A · v

Cross-sectional area A (m²)

Flow velocity v (m/s)

Calculate

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🔄 Continuity Equation

A₁ v₁ = A₂ v₂

A₁ (m²)

v₁ (m/s)

A₂ (m²)

Calculate v₂

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💨 Bernoulli Equation

P + ½ρv² + ρgh = constant

P₁ (Pa)

v₁ (m/s)

h₁ (m)

v₂ (m/s)

h₂ (m)

ρ (kg/m³)

Calculate P₂

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🔢 Reynolds Number

Re = ρ v D / μ

Density ρ (kg/m³)

Velocity v (m/s)

Diameter D (m)

Dynamic viscosity μ (Pa·s)

Calculate

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Select calculator Temperature Conversion Heat Heat Capacity Thermal Expansion Latent Heat Ideal Gas Law Boyle’s Law Charles’ Law Gay-Lussac’s Law Combined Gas Law Efficiency

🌡️ Temperature Conversion

°C ↔ °F ↔ K

°C

°F

K

Enter a value in any field

🔥 Heat

Q = m · c · ΔT

Mass m (kg)

Specific heat c (J/kg·°C)

ΔT (°C)

Calculate

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📏 Heat Capacity

C = m · c

Mass m (kg)

Specific heat c (J/kg·°C)

Calculate

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📐 Linear Thermal Expansion

ΔL = α · L₀ · ΔT

Original length L₀ (m)

Coefficient α (/°C)

ΔT (°C)

Calculate

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🧊 Latent Heat

Q = m · L

Mass m (kg)

Latent heat L (J/kg)

Calculate

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🎈 Ideal Gas Law

PV = nRT

Pressure P (Pa)

Volume V (m³)

Amount of substance n (mol)

Gas constant R (J/mol·K)

Calculate T

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📉 Boyle’s Law

P₁V₁ = P₂V₂

P₁ (Pa)

V₁ (m³)

P₂ (Pa)

Calculate V₂

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📈 Charles’ Law

V₁ / T₁ = V₂ / T₂

V₁ (m³)

T₁ (K)

T₂ (K)

Calculate V₂

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📊 Gay-Lussac’s Law

P₁ / T₁ = P₂ / T₂

P₁ (Pa)

T₁ (K)

T₂ (K)

Calculate P₂

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🔄 Combined Gas Law

P₁V₁ / T₁ = P₂V₂ / T₂

P₁ (Pa)

V₁ (m³)

T₁ (K)

P₂ (Pa)

T₂ (K)

Calculate V₂

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⚙️ Efficiency

η = (W / Q_in) × 100%

Work output W (J)

Heat input Q_in (J)

Calculate

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Select calculator Ohm’s Law Electrical Power Electrical Energy Series Resistance Parallel Resistance Charge Coulomb’s Law Electric Field Electric Potential Capacitance Capacitor Energy

⚡ Ohm’s Law

V = I · R

Current I (A)

Resistance R (Ω)

Calculate V

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🔌 Electrical Power

P = V · I = I²R = V²/R

Voltage V (V)

Current I (A)

Calculate

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🔋 Electrical Energy

E = P · t

Power P (W)

Time t (s)

Calculate

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🔗 Series Resistance

R_total = R₁ + R₂ + …

R₁ (Ω)

R₂ (Ω)

R₃ (Ω) optional

Calculate

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🔀 Parallel Resistance

1/R = 1/R₁ + 1/R₂ + …

R₁ (Ω)

R₂ (Ω)

R₃ (Ω) optional

Calculate

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⚡ Charge

Q = I · t

Current I (A)

Time t (s)

Calculate

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🧲 Coulomb’s Law

F = k · |q₁ q₂| / r²

q₁ (C)

q₂ (C)

Distance r (m)

Calculate

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⚡ Electric Field

E = k · |q| / r²

Charge q (C)

Distance r (m)

Calculate

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🔋 Electric Potential

V = k · q / r

Charge q (C)

Distance r (m)

Calculate

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🔋 Capacitance

C = Q / V

Charge Q (C)

Voltage V (V)

Calculate

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⚡ Capacitor Energy

U = ½ C V²

Capacitance C (F)

Voltage V (V)

Calculate

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Select calculator Lorentz Force Force on a Wire Magnetic Flux Faraday’s Law Inductor Energy

🧲 Lorentz Force

F = q v B sinθ

Charge q (C)

Velocity v (m/s)

Magnetic field B (T)

Angle θ (°)

Calculate

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🧲 Force on a Current-Carrying Wire

F = I L B sinθ

Current I (A)

Length L (m)

Magnetic field B (T)

Angle θ (°)

Calculate

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📡 Magnetic Flux

Φ = B · A · cosθ

Magnetic field B (T)

Area A (m²)

Angle θ (°)

Calculate

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⚡ Faraday’s Law

ε = −N · ΔΦ / Δt

Number of turns N

Change in flux ΔΦ (Wb)

Time interval Δt (s)

Calculate

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🔋 Inductor Energy

U = ½ L I²

Inductance L (H)

Current I (A)

Calculate

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Select calculator Wavelength Period Wave Speed Doppler Effect Intensity & Decibel Wave Number

🌊 Wavelength

λ = v / f

Wave speed v (m/s)

Frequency f (Hz)

Calculate

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⏱️ Period

T = 1 / f

Frequency f (Hz)

Calculate

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🔊 Wave Speed

v = f · λ

Frequency f (Hz)

Wavelength λ (m)

Calculate

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📢 Doppler Effect

f′ = f · (v ± vₒ) / (v ± vₛ)

Source frequency f (Hz)

Speed of sound v (m/s)

Observer speed vₒ (m/s)

Source speed vₛ (m/s)

Direction Approaching Receding

Calculate

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📶 Intensity & Decibel

β = 10 log₁₀(I / I₀)

Intensity I (W/m²)

Reference I₀ (W/m²)

Calculate

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🔢 Wave Number

k = 2π / λ

Wavelength λ (m)

Calculate

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Select calculator Lens Formula Mirror Formula Magnification Snell’s Law Critical Angle Photon Energy

🔎 Lens Formula

1/f = 1/v − 1/u  (Cartesian sign convention)

Object distance u / s (m)

Image distance v / s′ (m)

Calculate f

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🪞 Mirror Formula

1/f = 1/v + 1/u

Object distance u (m)

Image distance v (m)

Calculate f

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🔍 Magnification

M = −v / u = h′ / h

Image distance v (m)

Object distance u (m)

Calculate

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🌈 Snell’s Law

n₁ sinθ₁ = n₂ sinθ₂

n₁

θ₁ (°)

n₂

Calculate θ₂

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⚠️ Critical Angle

θc = arcsin(n₂ / n₁)

n₁ (denser medium)

n₂ (rarer medium)

Calculate

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💡 Photon Energy

E = h f = hc / λ

Wavelength λ (m)

Calculate

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Select calculator Mass-Energy Equivalence (E = mc²) de Broglie Wavelength Time Dilation Length Contraction Radioactive Decay Half-Life Nuclear Binding Energy Relativistic Momentum

💥 E = mc²

E = m c²

Mass m (kg)

Calculate

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🌊 de Broglie Wavelength

λ = h / p = h / (m v)

Mass m (kg)

Velocity v (m/s)

Calculate

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⏳ Time Dilation

Δt = Δt₀ / √(1 − v²/c²)

Proper time Δt₀ (s)

Velocity v (m/s)

Calculate

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📏 Length Contraction

L = L₀ · √(1 − v²/c²)

Proper length L₀ (m)

Velocity v (m/s)

Calculate

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☢️ Radioactive Decay

N = N₀ e^(−λt)

Initial number N₀

Decay constant λ (1/s)

Time t (s)

Calculate

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⏱️ Half-Life

T½ = ln(2) / λ

Decay constant λ (1/s)

Calculate

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💥 Nuclear Binding Energy

E_b = Δm · c²

Mass defect Δm (kg)

Calculate

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🚀 Relativistic Momentum

p = γ m v  |  γ = 1/√(1−v²/c²)

Mass m (kg)

Velocity v (m/s)

Calculate

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Select tool Physical Constants Unit Converter

📐 Fundamental Physical Constants

Constant	Symbol	Value	Unit
Speed of light	c	2.99792458e8	m/s
Gravitational constant	G	6.67430e-11	N·m²/kg²
Planck constant	h	6.62607015e-34	J·s
Reduced Planck	ℏ	1.0545718e-34	J·s
Elementary charge	e	1.60217662e-19	C
Boltzmann constant	k_B	1.380649e-23	J/K
Avogadro constant	N_A	6.02214076e23	/mol
Gas constant	R	8.314462618	J/(mol·K)
Electron mass	m_e	9.1093837e-31	kg
Proton mass	m_p	1.6726219e-27	kg
Standard gravity	g	9.80665	m/s²
Vacuum permittivity	ε₀	8.854187817e-12	F/m
Vacuum permeability	μ₀	1.256637062e-6	N/A²
Coulomb constant	k	8.987551792e9	N·m²/C²
Stefan–Boltzmann	σ	5.670374e-8	W/(m²·K⁴)

🔄 Quick Unit Converter

Value

From meter (m) centimeter (cm) kilometer (km) kilogram (kg) gram (g) second (s) minute (min) hour (h) Joule (J) electronvolt (eV) Celsius (°C) Fahrenheit (°F) Kelvin (K)

To meter (m) centimeter (cm) kilometer (km) kilogram (kg) gram (g) second (s) minute (min) hour (h) Joule (J) electronvolt (eV) Celsius (°C) Fahrenheit (°F) Kelvin (K)

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