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1 Mile Pace Calculator
The 1 Mile is 1.61 km (1 miles · 1609 m). At an even 5:00 /km (8:03 /mile) it takes 8:03 — that is 12 km/h (7.45 mph). Enter your own target time below.
Pace and speed are derived from one exact figure — your speed in metres per second — so min/km, min/mile, km/h and mph all agree and round-trip exactly. 1 mile = 1609.344 m.
Note: The mile is exactly 1609.344 m, so a 4:00 mile is exactly 15.0 mph and a 6:26/mile equals 4:00/km.
1 Mile pace chart — finish time by pace
Every even pace from 3:00 to 8:00 per kilometre, with the 1 Mile finish time it produces and the equivalent min/mile, km/h and mph.
| Pace /km | Pace /mile | Finish | km/h | mph |
|---|---|---|---|---|
| 3:00 | 4:50 | 4:50 | 20 | 12.4 |
| 3:15 | 5:14 | 5:14 | 18.5 | 11.5 |
| 3:30 | 5:38 | 5:38 | 17.1 | 10.7 |
| 3:45 | 6:02 | 6:02 | 16 | 9.94 |
| 4:00 | 6:26 | 6:26 | 15 | 9.32 |
| 4:15 | 6:50 | 6:50 | 14.1 | 8.77 |
| 4:30 | 7:15 | 7:15 | 13.3 | 8.28 |
| 4:45 | 7:39 | 7:39 | 12.6 | 7.85 |
| 5:00 | 8:03 | 8:03 | 12 | 7.46 |
| 5:15 | 8:27 | 8:27 | 11.4 | 7.1 |
| 5:30 | 8:51 | 8:51 | 10.9 | 6.78 |
| 5:45 | 9:15 | 9:15 | 10.4 | 6.48 |
| 6:00 | 9:39 | 9:39 | 10 | 6.21 |
| 6:15 | 10:04 | 10:04 | 9.6 | 5.97 |
| 6:30 | 10:28 | 10:28 | 9.23 | 5.74 |
| 6:45 | 10:52 | 10:52 | 8.89 | 5.52 |
| 7:00 | 11:16 | 11:16 | 8.57 | 5.33 |
| 7:15 | 11:40 | 11:40 | 8.28 | 5.14 |
| 7:30 | 12:04 | 12:04 | 8 | 4.97 |
| 7:45 | 12:28 | 12:28 | 7.74 | 4.81 |
| 8:00 | 12:52 | 12:52 | 7.5 | 4.66 |
1 Mile splits — every kilometre
Even-pace splits for a 8:03 1 Mile (5:00 /km): the cumulative time on the clock as you pass each kilometre marker.
| Marker | Split | Cumulative |
|---|---|---|
| 1 km | 5:00 | 5:00 |
| Finish (1.61 km) | 3:03 | 8:03 |
1 Mile splits — every mile
The same 8:03 1 Mile broken into one-mile splits (8:03 /mile).
| Marker | Split | Cumulative |
|---|---|---|
| 1 mi | 8:03 | 8:03 |
1 Mile race-time predictions (Riegel estimate)
If your 1 Mile is worth 8:03, the Riegel formula estimates these equivalent times at other distances. These are estimates — real results depend on training, terrain and pacing.
| Distance | Predicted | Pace /km | Pace /mile |
|---|---|---|---|
| 1500 m | 7:28 | 4:59 | 8:01 |
| 3000 m | 15:35 | 5:12 | 8:21 |
| 5K | 26:46 | 5:21 | 8:37 |
| 10K | 55:49 | 5:35 | 8:59 |
| 15K | 1:25:47 | 5:43 | 9:12 |
| 10 Mile | 1:32:26 | 5:45 | 9:15 |
| Half Marathon | 2:03:09 | 5:50 | 9:24 |
| 30K | 2:58:51 | 5:58 | 9:36 |
| Marathon | 4:16:46 | 6:05 | 9:48 |
| 50K | 5:07:22 | 6:09 | 9:54 |
| 50 Mile | 8:28:59 | 6:20 | 10:11 |
| 100K | 10:40:50 | 6:25 | 10:19 |
| 100 Mile | 17:41:12 | 6:36 | 10:37 |
How 1 Mile pace is calculated
Pace is simply time ÷ distance. This page works it out exactly: it converts your 1 Mile into metres and your time into seconds, divides to get one speed in metres per second, then expresses that single number as min/km, min/mile, km/h and mph. Because a kilometre is exactly 1000 m and a mile exactly 1609.344 m, the four figures always agree and convert back to machine precision. Only the Riegel predictions above are estimates.
FAQ
What is a good 1 Mile time?
"Good" depends entirely on the runner, but a useful reference point is even pacing. At 5:00 /km (8:03 /mile) a 1 Mile takes 8:03. Enter your own target above and the calculator shows the exact pace and speed you need; the pace chart below lists finish times for every pace from 3:00 to 8:00 /km.
How many kilometres is a 1 Mile?
A 1 Mile is 1.61 km, which is 1 miles (1609 m). A mile is exactly 1609.344 m, so the conversion is exact rather than rounded.
What pace do I need for a 8:03 1 Mile?
To finish a 1 Mile in 8:03 you hold 5:00 per kilometre, which is 8:03 per mile, or 12 km/h (7.45 mph). The split table below shows the clock at every kilometre and mile for that pace.
How are the 1 Mile race-time predictions calculated?
They use the Riegel formula, t₂ = t₁ × (d₂ / d₁)^1.06, a published 1977 model that scales a known result to another distance. It is an estimate, not a guarantee — real times depend on training, terrain, heat and pacing — and it is the only estimate on this page. Every pace and speed conversion here is exact.