Pace
Converter

Pace vs speed: what's the difference?

Runners and walkers almost always talk in pace — the time it takes to cover one unit of distance, like 5:00 per kilometer or 8:03 per mile. Cyclists, treadmills and cars tend to use speed — distance covered per unit of time, like 12 km/h or 7.5 mph. They describe the same thing from opposite directions: pace is time-over-distance, speed is distance-over-time. A faster effort means a smaller pace number but a larger speed number, which is why the two can feel confusing side by side.

The converter above handles both at once: enter a pace and you immediately see the equivalent pace in the other unit plus the speed in km/h and mph.

How to convert min/km to min/mile

The whole conversion rests on one fact: one mile equals 1.609 kilometers. Because a mile is longer, it takes more time to cover, so your per-mile pace is always a bigger number than your per-km pace. To convert:

Pace per mile = Pace per km × 1.609

For example, a 5:00/km pace becomes 5:00 × 1.609 ≈ 8:03/mile. Going the other way, you divide: Pace per km = Pace per mile ÷ 1.609. An 8:00/mile pace is therefore about 4:58/km. The trick people stumble on is the minutes-and-seconds format — it's easiest to convert pace to total seconds first, multiply or divide, then turn it back into minutes and seconds. The calculator does exactly that, so you never have to.

Pace conversion chart

Common paces side by side, with the matching speed:

min/km	min/mile	km/h	mph
4:00	6:26	15.0	9.3
4:30	7:15	13.3	8.3
5:00	8:03	12.0	7.5
5:30	8:51	10.9	6.8
6:00	9:39	10.0	6.2
6:30	10:28	9.2	5.7
7:00	11:16	8.6	5.3
7:30	12:04	8.0	5.0
8:00	12:52	7.5	4.7
9:00	14:29	6.7	4.1

Why pace beats speed for runners

Pace is the runner's native language for a simple reason: it maps directly onto effort and onto race planning. If you know you can hold 5:30/km, you instantly know a 10K will take about 55 minutes, because pace multiplies cleanly by distance. Speed doesn't give you that at a glance. Pace also makes splits easy — the time you should hit at each kilometer or mile marker — which is how runners pace a race evenly instead of starting too fast and fading.

Reading pace on watches and treadmills

Most GPS watches show pace live, usually in whichever unit you've set. Treadmills are the common exception: they almost always show speed, often with a choice of km/h or mph. To translate a treadmill speed into your familiar pace, find the speed in the chart above, or enter your goal pace in the converter and set the treadmill to the km/h or mph it returns. Note that treadmill "pace" and outdoor pace can feel different — there's no wind resistance indoors — but the numeric conversion is the same.

Pacing across the popular units

Many runners live in a mixed world: a race might be measured in kilometers while their friends train in miles, or a training plan written in min/mile when their watch is set to min/km. Being able to flip between the two without thinking removes a surprising amount of friction. The conversion never changes — it's always the 1.609 factor — so once you've seen a few of your own paces both ways, you start to build an intuition: roughly, a per-mile pace is your per-km pace plus about 60% again.

A quick mental shortcut

If you don't have the calculator handy, here's a rough field estimate: take your min/km pace and add about 60% to get min/mile. A 5:00/km pace plus 60% is around 8:00/mile — close to the exact 8:03. It's not precise enough for setting a personal-best race target, but it's perfect for a quick sense of where you stand when chatting with a running buddy who uses the other unit.

Pace training zones at a glance

Pace isn't one number — good training uses several. Although the exact figures depend on your fitness, runners typically work in bands: an easy/recovery pace that feels conversational; a long-run pace only slightly quicker; a tempo or threshold pace that's "comfortably hard" and sustainable for maybe an hour; and faster interval and repetition paces for short, sharp efforts. The gap between easy and interval pace can be two minutes per kilometer or more. Being able to convert between min/km and min/mile means you can set each zone in whatever unit your watch, plan or running group happens to use, without doing mental math mid-run.

Building pace intuition

The more you convert your own paces, the more you develop a feel for them. Most runners eventually carry a few anchor numbers in their head — their easy pace and their 5K pace in both units — and estimate everything else from there. One thing worth knowing: per-mile and per-km paces feel psychologically different on the road. Mile markers come less often, so a per-mile pace can feel like a longer commitment between checkpoints, while per-km splits give more frequent feedback. Neither is better; it's worth trying both and seeing which keeps you steadier.

Pace benchmarks worth knowing

A few reference paces help you place any number in context. Around 7:00–8:00/km (11:15–12:50/mile) is a gentle jog many beginners start with. 6:00/km (about 9:39/mile) is a common steady recreational pace. 5:00/km (8:03/mile) is a solid club-runner clip and the pace that brings a 5K under 25 minutes and a marathon near 3:30. 4:00/km (6:26/mile) is genuinely fast, the territory of competitive amateurs. And elite marathoners sustain under 3:00/km for the full 42 km — a pace most runners can't hold even for a single kilometer. Converting these both ways helps the numbers stop feeling abstract.

From pace to a finish time

Once you can convert pace, the natural next question is what it means for a race. Multiply your pace by the race distance and you have your projected finish time — exactly what our finish time calculator does. And if you want to work backward from a goal time to the pace you'd need, the running pace calculator and 5K pace calculator have you covered.