km/h to min/km Pace Converter
Convert speed to pace for running, cycling, and endurance sports
Popular Pace Conversions
These are the most common speed-to-pace conversions for runners and cyclists. Whether you’re training for a 5K parkrun or a marathon, these benchmarks help you gauge your performance.
| Speed (km/h) | Pace (min/km) | 5K Time | 10K Time | Half Marathon | Marathon |
|---|---|---|---|---|---|
| 8.0 | 7:30 | 37:30 | 1:15:00 | 2:38:02 | 5:16:05 |
| 9.0 | 6:40 | 33:20 | 1:06:40 | 2:20:35 | 4:41:10 |
| 10.0 | 6:00 | 30:00 | 1:00:00 | 2:06:32 | 4:13:05 |
| 11.0 | 5:27 | 27:16 | 54:33 | 1:55:29 | 3:50:59 |
| 12.0 | 5:00 | 25:00 | 50:00 | 1:45:27 | 3:30:54 |
| 13.0 | 4:37 | 23:05 | 46:09 | 1:37:25 | 3:14:49 |
| 14.0 | 4:17 | 21:26 | 42:51 | 1:30:38 | 3:01:16 |
| 15.0 | 4:00 | 20:00 | 40:00 | 1:24:38 | 2:49:17 |
| 16.0 | 3:45 | 18:45 | 37:30 | 1:19:22 | 2:38:44 |
| 18.0 | 3:20 | 16:40 | 33:20 | 1:10:18 | 2:20:35 |
| 20.0 | 3:00 | 15:00 | 30:00 | 1:03:16 | 2:06:32 |
Conversion Formula and Steps
The Formula:
Converting kilometres per hour to minutes per kilometre is straightforward once you understand the relationship between speed and pace. Speed tells you how many kilometres you cover in one hour, while pace tells you how many minutes it takes to cover one kilometre.
Step-by-Step Conversion Method
Example Conversions
Example 1: 10 km/h to min/km
60 ÷ 10 = 6.0 → 6:00 min/km
Example 2: 8 km/h to min/km
60 ÷ 8 = 7.5 → 7 minutes + (0.5 × 60) seconds → 7:30 min/km
Example 3: 13.5 km/h to min/km
60 ÷ 13.5 = 4.444 → 4 minutes + (0.444 × 60) seconds → 4:27 min/km
Pace Categories for Runners
Different paces serve different purposes in your training. Here’s how various speeds translate to pace categories commonly used by runners and coaches.
Recovery Pace
7:30-10:00 min/km
Easy conversational pace
Easy Pace
5:43-7:04 min/km
Comfortable aerobic running
Marathon Pace
4:17-5:27 min/km
Sustained race effort
Tempo Pace
3:38-4:08 min/km
Comfortably hard pace
Threshold Pace
3:09-3:32 min/km
Lactate threshold training
Interval Pace
< 3:00 min/km
High-intensity efforts
Why Pace Matters More Than Speed
Whilst speed (km/h) tells you how fast you’re moving, pace (min/km) is more practical for athletes for several reasons:
Training Zones: Coaches prescribe training in pace zones because it directly relates to effort level. A tempo run at 4:15 min/km feels the same regardless of wind conditions, whilst maintaining 14 km/h becomes harder with a headwind.
Energy Management: Pace helps you avoid starting too fast. Setting off at 4:00 min/km when your body can only sustain 4:30 min/km leads to fatigue, whilst monitoring speed alone provides less intuitive feedback about sustainable effort.
Progress Tracking: Comparing a 6:00 min/km run to a 5:30 min/km run clearly shows improvement. The difference is immediately meaningful, whereas comparing 10 km/h to 10.9 km/h requires mental conversion.
Cyclist Speed to Pace
Cyclists typically work with speed rather than pace, but converting to min/km can be useful for multi-sport athletes and triathletes comparing running and cycling efforts.
| Cycling Speed | Pace | Effort Level | Typical Scenario |
|---|---|---|---|
| 15 km/h | 4:00 min/km | Leisurely | Casual riding, sightseeing |
| 20 km/h | 3:00 min/km | Moderate | Commuting, steady riding |
| 25 km/h | 2:24 min/km | Brisk | Fitness riding, group rides |
| 30 km/h | 2:00 min/km | Fast | Training pace, racing |
| 35 km/h | 1:43 min/km | Very Fast | Competitive racing |
| 40 km/h | 1:30 min/km | Elite | Professional level, sprints |
Parkrun Pace Guide
Parkrun is a free, weekly 5K timed run popular across the United Kingdom. Here’s what different finishing times require in terms of pace and speed:
| Target 5K Time | Required Pace | Required Speed | Performance Level |
|---|---|---|---|
| 20:00 | 4:00 min/km | 15.0 km/h | Excellent |
| 22:30 | 4:30 min/km | 13.3 km/h | Very Good |
| 25:00 | 5:00 min/km | 12.0 km/h | Good |
| 27:30 | 5:30 min/km | 10.9 km/h | Moderate |
| 30:00 | 6:00 min/km | 10.0 km/h | Steady |
| 35:00 | 7:00 min/km | 8.6 km/h | Comfortable |
Frequently Asked Questions
What is the difference between speed and pace?
Speed measures distance covered per unit of time (kilometres per hour), showing how fast you’re moving. Pace measures time taken per unit of distance (minutes per kilometre), showing how long it takes to cover one kilometre. Pace is more commonly used by runners because it’s easier to maintain consistent effort based on pace during races and training.
What is a good running pace for beginners?
Beginners typically run at 6:30-8:00 min/km (7.5-9.2 km/h). This corresponds to a comfortable, conversational pace where you can speak in full sentences. Your ideal beginner pace should feel sustainable for at least 20-30 minutes. Don’t worry about being fast initially; consistency and gradual improvement matter more than speed.
How do I convert decimal minutes to minutes and seconds?
Multiply the decimal portion by 60. For example, if your result is 5.75 minutes: take the 0.75 decimal, multiply by 60 (0.75 × 60 = 45), giving you 5 minutes and 45 seconds, written as 5:45 min/km. This conversion is necessary because pace is conventionally expressed in minutes:seconds format.
What pace do I need for a sub-4-hour marathon?
To finish a marathon (42.195 km) in under 4 hours, you need to maintain a pace of approximately 5:41 min/km or faster, which corresponds to a speed of 10.55 km/h. Most runners aiming for this goal train at slightly faster paces (5:30-5:40 min/km) to build a buffer for fatigue in the later kilometres.
Is 12 km/h a good running speed?
At 12 km/h (5:00 min/km pace), you’re running at a solid recreational to intermediate level. This pace would give you a 25-minute 5K, 50-minute 10K, and approximately 3:30 marathon. It’s faster than average recreational runners but below competitive club runner speeds. For context, world-class marathon runners maintain around 21 km/h (2:51 min/km).
Why do treadmills show km/h but running plans use min/km?
Treadmills display speed (km/h) because it’s simpler for machine controls and adjustments. However, running plans prescribe pace (min/km) because it aligns better with how runners experience effort and how races are structured with kilometre markers. Many modern treadmills now include pace displays, or you can convert using the formula: pace = 60 ÷ speed.
Does pace change with terrain and weather?
Yes, significantly. Running uphill, into headwinds, or in hot weather slows your pace even at the same effort level. Your speed might drop from 12 km/h (5:00 min/km) on flat ground to 10 km/h (6:00 min/km) on hills. Experienced runners adjust expectations based on conditions and focus on effort rather than strictly hitting pace targets when conditions are challenging.
Can I use the same pace for all distances?
No. Your sustainable pace decreases as distance increases. You might run 5K at 4:30 min/km (13.3 km/h) but only maintain 5:00 min/km (12 km/h) for a 10K and 5:30 min/km (10.9 km/h) for a half marathon. This reflects the different energy systems and fatigue factors involved in shorter versus longer races.