Physics calculators

Kinematics, dynamics, and classical-physics shortcuts.

Solve the common physics textbook calculations — velocity, acceleration, force, and energy — with units correctly tracked end to end.

Calculators
372
Topics: All Mechanics (114) Electricity (48)
372 results
Physics / Electricity

Battery Life Calculator

Estimate how long a battery will last from its capacity (mAh or Ah) and the load current draw, with a configurable real-...

basic
18,985 4.3 1 min
Physics / Electricity

Electric Power Calculator

Compute electric power from any two of voltage, current, or resistance using P = VI, P = I²R, and P = V²/R.

basic
25,027 4.3 1 min
Physics / Mechanics

Density Calculator

Compute density (ρ = m/V), or rearrange the formula to solve for mass or volume given the other two.

basic
19,171 4.0 1 min
Physics / Mechanics

Pressure Calculator

Compute pressure as force per unit area in pascals, with quick conversions to common engineering units.

basic
13,177 4.1 1 min
Physics / Mechanics

Momentum Calculator

Compute the linear momentum of a moving object as the product of its mass and velocity.

basic
21,710 4.4 1 min
Physics / Mechanics

Free Fall Calculator

Compute how long an object takes to fall from a given height and the velocity it reaches just before impact, ignoring ai...

basic
17,866 4.4 1 min
Physics / Mechanics

Work Calculator

Compute the mechanical work done by a constant force over a displacement, including the cosine factor for off-axis force...

basic
2,680 4.0 1 min
Physics / Mechanics

Power Calculator

Compute mechanical or electrical power as the rate at which energy (work) is transferred per unit time.

basic
19,295 4.5 1 min
Physics / Mechanics

Impulse Calculator

Compute the impulse delivered by a constant force over a time interval, equal to the change in momentum it causes.

basic
15,850 5.0 1 min
Physics / Electricity

Capacitance Calculator

Compute the capacitance of a parallel-plate capacitor from plate area, plate separation, and the dielectric constant.

basic
12,524 4.1 1 min
Physics / Mechanics

Thermal Expansion Calculator

Compute the linear thermal expansion of a solid from its original length, temperature change, and the material's linear...

basic
16,924 4.2 1 min
Physics / Mechanics

Specific Heat Calculator

Compute the heat required to change the temperature of a substance from its mass, specific heat capacity, and temperatur...

basic
15,596 4.8 1 min