Calculate speed

Physics & Science
104 calculations
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📝 How it works:
Calculate speed from distance and time. Formula: v = s / t. With conversion km/h ↔ m/s.

Fill in the fields below and click "Calculate".
Die gefahrene oder gelaufene Distanz

Calculate speed: v = s / t

Calculate speed from distance and time - with conversion between km/h and m/s. Our calculator determines:

  • Speed v: v = s / t (distance divided by time)
  • Distance s: s = v × t (if speed is known)
  • Time t: t = s / v (at known speed)
  • Unit conversion: km/h ↔ m/s automatically
  • Average speed: For variable speed

Formulas:

  • v = s / t (speed = distance / time)
  • s = v × t (distance = speed × time)
  • t = s / v (time = distance / speed)

Convert units:

  • 1 m/s = 3.6 km/h
  • 1 km/h = 0.278 m/s (or 1/3.6)
  • 100 km/h = 27.78 m/s

Examples:

  • 120 km in 1.5 hours: v = 120 / 1.5 = 80 km/h
  • 100 m in 10 seconds: v = 100 / 10 = 10 m/s = 36 km/h
  • At 60 km/h in 3 hours: s = 60 × 3 = 180 km

Practical applications: Calculate travel time, average speed during sports, traffic control, physics tasks, braking distance estimation, compare speed records

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