What is the Trekking Pace & Arrival Time Calculator?
This calculator turns the distance you have covered and the time it took into a clean pace figure (minutes per kilometer), then projects when you will reach your destination based on how far you still have to walk. It is handy for hikers, trail runners, and backpackers planning a finish before dark or a rendezvous with friends.
How to use it
Enter the distance you have already covered, the time it took in minutes, the distance remaining, and your start time. The tool computes your average pace and uses it to estimate the remaining walking time and your arrival clock time.
The formula explained
Pace is simply total minutes divided by distance: \(\text{pace} = \text{total\_minutes} / \text{distance\_km}\). Remaining time assumes the same pace continues: \(\text{remaining\_minutes} = \text{pace} \times \text{remaining\_km}\). Arrival time is the start time plus all minutes walked, wrapped into a 24-hour clock.
$$\begin{gathered} \text{Arrival} = \Big(\,\text{Start Hr} \times 60 + \text{Start Min} + \text{Time} + p \cdot \text{Remaining}\,\Big) \bmod 1440 \\[1.5em] \text{where}\quad \left\{ \begin{aligned} p &= \dfrac{\text{Time (min)}}{\text{Distance (km)}} \\ \text{Arrival} &= \text{minutes after midnight, split into HH:MM} \end{aligned} \right. \end{gathered}$$
Worked example
You covered 10 km in 150 minutes, so your pace is 15 min/km. With 5 km remaining you need 75 more minutes. Starting at 08:00, you have already spent 150 minutes walking, plus 75 minutes to go: $$480 + 150 + 75 = 705 \text{ minutes since midnight} = 11{:}45 \text{ arrival}.$$
FAQ
Does pace stay constant? The estimate assumes your average pace holds. Terrain, fatigue, and breaks will change real timing.
What if I have no distance remaining? Leave remaining at 0; arrival time then equals start time plus the time already taken.
What units? Distance is in kilometers and time is in minutes; pace is shown in minutes:seconds per km and as a decimal.