Type a pace, get it in every unit that matters — plus what it adds up to over the classic distances.
| Held to the line, that's… | Time |
|---|---|
| 5K | — |
| 10K | — |
| Half marathon | — |
| Marathon | — |
Where it bends: nowhere — this one is pure arithmetic. The only thing it can't convert is how the pace feels at kilometre 38.