The Nautical Mile Time Calculator divides distance (nautical miles) by speed (knots) to return precise travel time formatted in hours, minutes, and seconds. It follows the standard maritime formula Time = Distance ÷ Speed, helping bridge crew, anglers, and recreational sailors estimate arrival accurately.
Use the results to schedule watch changes, fuel planning, or logbook entries, confident the numbers align with international nautical standards.
time = distance ÷ speed
one nautical mile (nmi) = 1.852 kilometres (km) one nautical mile (nmi) = 1.15077944802354 miles (mi) one knot = 1 nautical mile (nmi) per hour one knot (kn) = 0.514444444444444 metres per second (m/sec) one knot (kn) = 1.68780985710119 feet per second (ft/sec)
How long will it take to travel 4325 nautical miles at a speed of 45 knots?
Calculate the time in hours by dividing the nautical miles by the knots;
4325 ÷ 45 = 96.1
It will take 96.1 hours to travel the 4325 nautical miles at a speed of 45 knots. 96 hr - 6 min - 40 sec