Kinematics Calculator - Calculate Motion & Velocity Online

Free online kinematics calculator to calculate velocity, acceleration, displacement, and time. Perfect for physics students and motion analysis.

Kinematics Variables

m/s
m/s
m/s²
s
m

Kinematics Results

Enter kinematic variables to calculate motion

About Kinematics Calculator

The Kinematics Calculator helps you solve problems involving motion using the fundamental kinematic equations.

Kinematic Equations:

  • v = v₀ + at - Final velocity
  • s = v₀t + ½at² - Displacement
  • v² = v₀² + 2as - Velocity squared
  • s = ½(v₀ + v)t - Average velocity

Variables:

  • v₀: Initial velocity (m/s)
  • v: Final velocity (m/s)
  • a: Acceleration (m/s²)
  • t: Time (s)
  • s: Displacement (m)

Types of Motion:

  • Uniform Motion: Constant velocity, no acceleration
  • Uniformly Accelerated Motion: Constant acceleration
  • Free Fall: Motion under gravity only
  • Projectile Motion: Two-dimensional motion

Applications:

  • Physics education and homework
  • Engineering calculations
  • Sports science and analysis
  • Vehicle dynamics
  • Astronomy and space science

Important Notes:

  • Equations assume constant acceleration
  • Use consistent units (SI units recommended)
  • Consider direction (positive/negative values)
  • Check for physical reasonableness

Note: This calculator assumes one-dimensional motion with constant acceleration. For complex motion, consider using calculus-based methods.

Frequently Asked Questions

What is kinematics?

Kinematics is the branch of physics that describes the motion of objects without considering the forces that cause the motion. It focuses on position, velocity, acceleration, and time.

What are the kinematic equations?

The kinematic equations are four equations that relate velocity, acceleration, displacement, and time for motion with constant acceleration. They are: v = v₀ + at, s = v₀t + ½at², v² = v₀² + 2as, and s = ½(v₀ + v)t.

How do I choose which equation to use?

Choose the equation that contains the variable you want to find and the variables you know. Each equation has different combinations of variables, so pick the one that fits your given information.

What's the difference between velocity and speed?

Velocity is a vector quantity that includes both magnitude and direction, while speed is a scalar quantity that only includes magnitude. Velocity can be negative, but speed is always positive.

Can I use these equations for any type of motion?

These equations work for motion with constant acceleration. For variable acceleration, you need calculus-based methods. They also assume one-dimensional motion.