How to calculate speed / distance / time
Distance = Speed × Time Time = Distance ÷ Speed Speed = Distance ÷ Time
Worked example. Travel time: 3.69 hours.
Example inputs — Solve for: Travel time; Distance (miles): 240; Speed (mph): 65; Time (hours): 3.5. Starting values are illustrative.
3 h 42 min
From George Guju, founder of Calculyn · Educational calculator guidance, not professional advice.
How it works
Speed, distance and time are linked: distance = speed × time. Choose what you want to find and fill in the other two. The unused field is ignored.
Assumptions & limitations
- Results are rounded for display.
Formula and assumptions reviewed October 2026 by the Calculyn team. How we build our calculators
Frequently asked questions
Does this include stops?
No — add time for breaks, traffic and fuel stops.