Ferry Time Calculator
Estimate ferry crossing time from distance and speed.
Quick answer: enter your details below and click Calculate Ferry Time — your result appears instantly, right here in your browser. Nothing you enter is uploaded or stored.
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Enter your details below.
How to use
- Enter the crossing distance in kilometres.
- Enter the ferry speed in knots.
- Click Calculate Ferry Time for the sailing time.
About this tool
Ferry time is distance divided by speed, with knots converted to kilometres per hour. This calculator gives the sailing time only; boarding, loading, and disembarkation add extra time on top. Weather and sea conditions can slow crossings further.
Frequently asked questions
What is a knot in km/h?
One knot equals 1.852 km/h, so 20 knots is 37.04 km/h.
Why do real crossings take longer?
Boarding, vehicle loading, and disembarkation sit outside sailing time, and rough seas slow the crossing itself.