Momentum & Impulse Calculator
Calculate momentum change and average force over a time interval.
Your inputs
Calculation results
Formula & assumptions
Impulse = m(v₂−v₁); mean force = impulse/time.
Values use the specified units. Calculations use floating-point arithmetic. Check input measurements and formula assumptions before applying the result.
Compare your scenarios
Save up to five results to compare changes side by side. Scenarios stay in this tab until you clear or reload it.
Using Momentum & Impulse Calculator
Calculate momentum change and average force over a time interval.
- Enter mass, initial velocity, final velocity, time interval using the units printed under each field.
- Choose Calculate, or enable live updates. Review the result labels and formula assumptions.
- Save scenarios to compare up to five variations, then copy the report or download JSON or CSV.
Example
Mass: 2 kilograms Initial velocity: 5 meters per second Final velocity: 0 meters per second Time interval: 0.2 seconds Impulse · newton seconds: -10 Average force · newtons: -50 Initial momentum: 10 Final momentum: 0
Questions & answers
What does Momentum & Impulse Calculator calculate?
Calculate momentum change and average force over a time interval.
Which units should I enter?
Mass uses kilograms. Initial velocity uses meters per second. Final velocity uses meters per second. Time interval uses seconds. Convert values to these units before calculating.
Which formula does it use?
Impulse = m(v₂−v₁); mean force = impulse/time.
What does the included example show?
Mass: 2 kilograms; Initial velocity: 5 meters per second; Final velocity: 0 meters per second; Time interval: 0.2 seconds. Result: Impulse · newton seconds = -10; Average force · newtons = -50; Initial momentum = 10; Final momentum = 0.
Can I compare different settings?
Yes. Save a scenario, change the inputs and save another result. Up to five scenarios are compared in this tab; they disappear when you reload or leave.
Can I export the calculation?
Copy the JSON report or download JSON and CSV with inputs, result labels and numeric values. Processing uses local JavaScript; no calculation request is sent to our server. Displayed values use up to 10 significant digits; exports retain JavaScript numeric precision.
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