Free Fall Calculator

Time • Distance • Final speed • Unit conversion • Ajax loading • No air resistance
Live

Settings

Downward direction is treated as positive in the equations.
Quick summary
Select a mode and enter values to calculate free fall.

Inputs

Use positive for downward throw, negative for upward throw.
h must be ≥ 0 for “From height”.
g m/s²
Custom g must be > 0.
Applies to distance output (s).
Applies to final/impact speed output.

Results

Time
s
Distance fallen
m
Final speed
m/s
Average speed
m/s
Updating…

Action

Hard reset: cancels pending updates and clears everything on the first click.

More of our calculators...

Wavelength → Energy Calculator

Convert wavelength to photon energy using E=hc/λ. Supports nm, μm, m and outputs eV or joules.

Velocity Calculator

Calculate velocity from distance and time, or using kinematics. Outputs m/s, km/h, mph with conversions.

Acceleration Calculator

Calculate acceleration using change in velocity over time, or kinematics formulas. Supports SI units and m/s².

Pressure Calculator

Calculate pressure using P=F/A. Supports Pa, kPa, bar, psi, and unit conversions for force and area.

Density / Mass / Volume Calculator

Calculate density, mass, or volume using ρ=m/V. Works for solids, liquids, and gases with unit support.

Kinetic Energy Calculator

Calculate kinetic energy from mass and velocity. Get joules instantly and compare speeds with accurate results.

Potential Energy Calculator

Calculate gravitational potential energy from mass, height, and gravity. Get results in joules with unit support.

Work Calculator

Calculate work (J) using force, distance, and angle. Supports horizontal, vertical, and angled forces.

Work and Power Calculator

Calculate work done and power output from force, distance, time, and angle. Outputs joules and watts.