What this calculator does
Solve one constant-acceleration motion variable from standard one-dimensional kinematic equations.
How it works
The calculator evaluates v = u + at; s = ut + ½at²; v² = u² + 2as. Inputs are checked before calculation, and invalid values such as zero denominators or out-of-range selections produce a clear error instead of a misleading result.
Input query strings and outputs
Use an input name in this page’s URL as ?name=value, and join additional inputs with &. Portable shared links may instead use the compact ?ac= state parameter.
Input query strings
6-
?solveFor=Solve forChoice · Required · Default: finalVelocity · Accepted values: initialVelocity, finalVelocity, displacement, acceleration, time
-
?initialVelocity=Initial velocity u (m/s)Number · Required · Default: 5
-
?finalVelocity=Final velocity v (m/s)Number · Required · Default: 25
-
?displacement=Displacement s (m)Number · Required · Default: 150
-
?acceleration=Acceleration a (m/s²)Number · Required · Default: 2
-
?time=Time t (s)Number · Required · Default: 10
Outputs
3-
resultSolved valueNumber · Primary output
-
unitUnitText
-
equationEquation usedText
Inputs and results
The inputs are Solve for, Initial velocity u (m/s), Final velocity v (m/s), Displacement s (m), Acceleration a (m/s²), Time t (s). Results include Solved value, Unit, Equation used.