Force Calculator (F = m × a, Newton’s Second Law)
Science ToolsSolve force, mass or acceleration (F = ma)
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All history →Force Calculator (F = m × a, Newton’s Second Law) — at a glance
Leave one box empty and solve F = ma.
m = 10 kg
a = 3 m/s²
Calculate
F = 30 N
How to use it — step by step
Just your input — nothing to install or sign up for.
1
Enter your values
Fill in the boxes. Sample values are already there so you can see how it works.
2
Calculate
Press the button to get your answer instantly.
3
Read the result
The main answer is shown in a large card with extra details below it.
4
Copy it
Use the copy button to save the result anywhere.
Pro tips
Small things that make the result better.
✦Fill two boxes and leave one empty.
✦Weight is the force of gravity on a mass: W = m × 9.81.
Quick facts
Freeno signup, no limit
Instantresult in a moment
Privatenothing is uploaded
Any devicephone, tablet or PC
Frequently Asked Questions
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
Is this tool really free?+
Yes — completely free, no signup, no watermark and no usage limit.
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