Physics Calculators
Ohms law, force, energy, motion, and electrical calculators
Ohm's Law Calculator
Calculate voltage, current, or resistance using Ohm's Law (V = IR).
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Speed Distance Time Calculator
Solve for speed, distance, or time using the formula Speed = Distance / Time.
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Force Calculator (F=ma)
Calculate force, mass, or acceleration using Newton's Second Law F = ma.
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Acceleration Calculator
Calculate acceleration from initial velocity, final velocity, and time.
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Kinetic Energy Calculator
Calculate kinetic energy using KE = 1/2 mv².
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Potential Energy Calculator
Calculate gravitational potential energy using PE = mgh.
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Density Calculator
Calculate density, mass, or volume using Density = Mass / Volume.
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Momentum Calculator
Calculate momentum using p = mv (mass times velocity).
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Free Fall Calculator
Calculate free fall distance, velocity, and time for an object dropped from height.
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Pressure Calculator
Calculate pressure from force and area using P = F/A.
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Power Calculator (Watts)
Calculate electrical power using P = VI, P = I²R, or P = W/t.
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Frequency Calculator
Calculate frequency from period and vice versa (f = 1/T).
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Wavelength Calculator
Calculate wavelength from wave speed and frequency (lambda = v/f).
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Voltage Divider Calculator
Calculate voltage divider output using Vout = Vin x R2/(R1+R2).
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Resistor Color Code Calculator
Find resistor value from color bands (4-band and 5-band).
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Wire Gauge (AWG) Calculator
Find AWG wire ampacity, diameter, and resistance per foot.
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LED Resistor Calculator
Calculate the current-limiting resistor needed for an LED circuit.
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Torque Calculator
Calculate torque using the formula τ = F × r × sin(θ).
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Work Calculator
Calculate mechanical work using W = F × d × cos(θ).
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Spring Constant Calculator
Calculate spring constant using Hooke's Law F = kx.
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Pendulum Calculator
Calculate the period of a simple pendulum using T = 2π√(L/g).
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Centripetal Force Calculator
Calculate centripetal force using F = mv²/r.
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Coulomb's Law Calculator
Calculate electrostatic force using Coulomb's Law F = kq₁q₂/r².
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Capacitance Calculator
Calculate capacitance, charge, voltage, and energy stored using Q = CV.
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Snell's Law Calculator
Calculate refraction angle using Snell's Law n₁sin(θ₁) = n₂sin(θ₂).
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Doppler Effect Calculator
Calculate observed frequency from source and observer velocities.
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Buoyancy Calculator
Calculate buoyant force using Archimedes' principle F_b = ρVg.
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Bernoulli Equation Calculator
Apply Bernoulli's principle: P + ½ρv² + ρgh = constant.
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Flow Rate Calculator
Calculate volume flow rate using Q = A × v.
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Gear Ratio Calculator
Calculate gear ratio from teeth counts, speed, and torque conversion.
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Pulley Calculator
Calculate mechanical advantage of pulley systems.
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Escape Velocity Calculator
Calculate escape velocity using v = √(2GM/r).
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Orbital Velocity Calculator
Calculate orbital velocity using v = √(GM/r).
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E=mc² Calculator
Calculate energy-mass equivalence using Einstein's E = mc².
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Decibel Calculator
Calculate decibels from power or intensity ratios.
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Speed of Sound Calculator
Calculate the speed of sound in air at different temperatures.
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Hooke's Law Calculator
Calculate force, displacement, and elastic potential energy using Hooke's Law F = kx.
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Voltage Drop Calculator
Calculate voltage drop across a wire run based on length, gauge, and current.
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Friction Force Calculator
Calculate friction force from normal force and coefficient of friction.
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