400m Lap Calculator
Convert running pace to 400m lap time, or 400m lap time to running pace for track workouts.
This 400m lap calculator helps you check pace and 400m lap time side by side for track sessions.
App preview
What you can do
- Convert running pace to 400m lap time
- Convert 400m lap time to running pace
- Check a 400m lap target for a chosen pace
When to use it
Use this tool when you want to:
- Check a 400m lap target before a track workout
- Turn a running pace into a 400m lap time
- Turn a recorded 400m lap time back into pace
Example
If your target pace is 5:00 min/km:
- 400m lap time: 2:00
If you run a 400m lap in 1:48:
- Equivalent pace: ~4:30 min/km
You can use this calculator to fine-tune your track sessions and pacing strategy.
Get the app
Use the full Pace Lab app for more features like split charts, race prediction, heart rate zones, and fueling planning.
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