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Science Calculators

Final Velocity Calculator

Verified formula Updated Jun 2026 Private — runs on your device

Enter details
m/s
m/s²
s
Verified formula Private

Final velocity

20.0000

For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.

How to use the Final Velocity Calculator

The Final Velocity Calculator works out your final velocity in an instant. Enter initial velocity, acceleration and time and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.

  1. Enter the initial velocity.
  2. Enter the acceleration.
  3. Enter the time.
  4. Read off your final velocity — the calculator updates automatically, with no button to press.

Formula

The Final Velocity Calculator uses the formula:

Final velocity = Initial velocity + Acceleration × Time

Worked example

For example, with initial velocity of 10 m/s, acceleration of 2 m/s² and time of 5 s, the final velocity is 20.0000.

Inputs used
Initial velocity 10 m/s
Acceleration 2 m/s²
Time 5 s
Results
Final velocity 20.0000

Results are estimates for educational use, not professional advice.

Key terms explained

Acceleration
The rate at which an object's velocity changes over time.
Velocity
The speed of an object in a given direction.

Frequently asked questions

Use v = u + at. Starting at 10 m/s with 2 m/s² for 5 s gives a final velocity of 20 m/s.

It is the first equation of motion for constant acceleration.

A negative value means deceleration, so the final velocity is lower than the initial velocity.

Yes. The equation applies when acceleration stays the same over the time interval.

Enter the initial velocity. Enter the acceleration. Enter the time. Read off your final velocity — the calculator updates automatically, with no button to press.

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