Speed Calculator
Calculate speed, distance or time with the formula speed = distance ÷ time. Pick what to solve for. — free, fast and private.
Your result will appear here.
Example: 120 km in 2 hours → speed = 60 km/h.
How to use Speed Calculator
- Choose what to find: speed, distance or time.
- Enter the two values you know.
- Click Calculate.
- The answer uses your units — for example km/h if you enter km and hours.
Note: this tool runs in your browser. Nothing is uploaded.
Frequently Asked Questions
What is the speed formula?
Speed = distance ÷ time. For example, 120 km in 2 hours = 60 km/h.
Can I use miles and minutes?
Yes — just keep units consistent. Miles ÷ hours gives mph; metres ÷ seconds gives m/s.
How do I convert km/h to m/s?
Divide by 3.6. For example, 72 km/h = 20 m/s.
Is my data uploaded anywhere?
No. All calculations run in your browser and your numbers are never sent to a server.