Physics Calculators

🔧 Mechanics

Kinematics Calculator

Kinematic Equations:

v = u + at
s = ut + ½at²
v² = u² + 2as
s = ½(u + v)t

Initial Velocity (u) - m/s:

Final Velocity (v) - m/s:

Acceleration (a) - m/s²:

Time (t) - seconds:

Displacement (s) - meters:

Newton's Laws Calculator

Newton's Second Law:

F = ma
Force = Mass × Acceleration

Mass (m) - kg:

Acceleration (a) - m/s²:

Force (F) - Newtons:

Work & Energy Calculator

Work & Energy Formulas:

Work = Force × Distance × cos(θ)
Kinetic Energy = ½mv²
Potential Energy = mgh

Force (F) - Newtons:

Distance (d) - meters:

Angle (θ) - degrees:

Mass (m) - kg:

Velocity (v) - m/s:

Height (h) - meters:

Momentum Calculator

Momentum Formulas:

Momentum = Mass × Velocity
p = mv
Conservation: p₁ + p₂ = p₁' + p₂'

Mass (m) - kg:

Velocity (v) - m/s:

Impulse (J) - N⋅s:

Time (Δt) - seconds:

Projectile Motion Calculator

Projectile Motion Formulas:

Range = (v₀² sin(2θ)) / g
Max Height = (v₀² sin²(θ)) / (2g)
Time of Flight = (2v₀ sin(θ)) / g

Initial Velocity (v₀) - m/s:

Launch Angle (θ) - degrees:

Initial Height (h₀) - meters:

Gravity (g) = 9.81 m/s²

Spring Oscillation Calculator

Simple Harmonic Motion:

F = -kx (Hooke's Law)
Period T = 2π√(m/k)
Frequency f = 1/T = (1/2π)√(k/m)

Spring Constant (k) - N/m:

Mass (m) - kg:

Displacement (x) - meters:

Amplitude (A) - meters:

🌡️ Thermodynamics

Heat Transfer Calculator

Heat Transfer Formulas:

Q = mcΔT (Specific Heat)
Q = mL (Latent Heat)
Q = kAΔT/d (Conduction)

Mass (m) - kg:

Specific Heat Capacity (c) - J/(kg⋅K):

Temperature Change (ΔT) - K or °C:

Ideal Gas Law Calculator

Ideal Gas Law:

PV = nRT
P = Pressure, V = Volume, n = moles
R = 8.314 J/(mol⋅K)

Pressure (P) - Pa:

Volume (V) - m³:

Number of Moles (n) - mol:

Temperature (T) - K:

Gas Constant R = 8.314 J/(mol⋅K)

⚡ Electromagnetism

Ohm's Law Calculator

Ohm's Law:

V = IR
P = VI = I²R = V²/R
V = Voltage, I = Current, R = Resistance

Voltage (V) - Volts:

Current (I) - Amperes:

Resistance (R) - Ohms:

Electric Field Calculator

Electric Field Formulas:

E = F/q (Field Strength)
E = kQ/r² (Point Charge)
k = 8.99 × 10⁹ N⋅m²/C²

Charge (Q) - Coulombs:

Distance (r) - meters:

Test Charge (q) - Coulombs:

Coulomb's Constant k = 8.99 × 10⁹ N⋅m²/C²

🌊 Waves & Optics

Wave Properties Calculator

Wave Equations:

v = fλ (Wave Speed)
f = 1/T (Frequency & Period)
v = velocity, f = frequency, λ = wavelength

Wave Speed (v) - m/s:

Frequency (f) - Hz:

Wavelength (λ) - meters:

Period (T) - seconds:

Lens Equation Calculator

Thin Lens Equation:

1/f = 1/d₀ + 1/dᵢ
M = -dᵢ/d₀ = hᵢ/h₀
f = focal length, d = distance, M = magnification

Focal Length (f) - cm:

Object Distance (d₀) - cm:

Image Distance (dᵢ) - cm:

Object Height (h₀) - cm:

⚛️ Modern Physics

Photoelectric Effect Calculator

Einstein's Photoelectric Equation:

E = hf = hc/λ
KEₘₐₓ = hf - φ
h = 6.626 × 10⁻³⁴ J⋅s

Frequency (f) - Hz:

Wavelength (λ) - nm:

Work Function (φ) - eV:

Planck's Constant h = 6.626 × 10⁻³⁴ J⋅s
Speed of Light c = 3.00 × 10⁸ m/s

Quantum Energy Calculator

Quantum Energy Formulas:

E = hf = hc/λ
E = mc² (Mass-Energy)
λ = h/p (de Broglie wavelength)

Frequency (f) - Hz:

Wavelength (λ) - m:

Mass (m) - kg:

Momentum (p) - kg⋅m/s:

💧 Fluid Mechanics

Fluid Pressure Calculator

Pressure Formulas:

P = ρgh (Hydrostatic Pressure)
P = F/A (Pressure Definition)
ρ = density, g = gravity, h = height

Density (ρ) - kg/m³:

Height (h) - meters:

Force (F) - Newtons:

Area (A) - m²:

Gravity g = 9.81 m/s²

Buoyancy Calculator

Archimedes' Principle:

Fᵦ = ρ_fluid × V_displaced × g
Weight in fluid = Weight in air - Buoyant force

Fluid Density (ρ) - kg/m³:

Volume Displaced (V) - m³:

Object Weight in Air (W) - N:

Water Density ≈ 1000 kg/m³
Gravity g = 9.81 m/s²