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06 Numbers and Powers

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Card No. 06·32060 · Updated · Standard formula, shown below

Average pace 5.00 min/km
Average speed
12.00 km/h
Result
Finish time
50 min
You entered
Distance
10 km
You entered
You enter
Finish time, Distance
You get
Average pace, Average speed
Rounding
2 dp

Yes, you can turn on dark mode for Pandora on both mobile and desktop. On the Android and iOS apps, open Settings and toggle “Dark Mode” on; on the web player, click your profile icon, then Settings, and choose “Dark” under Appearance. This article walks you through each method, explains why the setting isn’t always where you expect it, and covers common problems like the toggle missing or not sticking.

Formula

The calculator works out your average pace and speed from a finish time and distance. Pace is the time it takes to cover one unit of distance, and speed is the distance covered per hour.

Pace = Time ÷ Distance

Speed = Distance ÷ (Time ÷ 60)

Where:

  • Time (t) is in minutes
  • Distance (d) is in kilometers
  • Pace is in minutes per kilometer
  • Speed is in kilometers per hour

If you run 10 km in 50 minutes, your pace is 5:00 min/km and your speed is 12 km/h.

Worked Example

Using the default values from the calculator (time = 50 minutes, distance = 10 km):

  1. Pace = 50 ÷ 10 = 5.00 min/km
  2. Speed = 10 ÷ (50 ÷ 60) = 10 ÷ 0.8333 = 12.00 km/h

The calculator shows the same results: pace of 5.00 min/km and speed of 12.00 km/h.

When to Use This Calculator

Use this tool whenever you want to know your running, cycling, or walking pace from a single workout. It is helpful for setting training goals, comparing runs, or planning a race pace. For example, if you want to finish a 5K in 30 minutes, enter 30 for time and 5 for distance to see you need a 6:00 min/km pace.

You can also use it in reverse: if you know your target pace and distance, you can estimate your finish time by multiplying pace by distance.

How to Read the Results

The first output, pace, is the headline answer. A lower pace number means faster running (fewer minutes per kilometer). The second output, speed, is the same effort expressed as kilometers per hour. Both are useful, but runners usually talk in pace, while cyclists often talk in speed.

For US customary units, convert kilometers to miles (1 km = 0.621371 miles) and minutes per kilometer to minutes per mile by multiplying by 1.60934. The calculator works in metric, but you can enter distance in miles and time in minutes—the pace will be in minutes per mile, which is still meaningful.

Common Mistakes

  • Mixing units: Entering distance in miles but expecting a pace in min/km. Decide on one unit system and stick to it.
  • Using seconds instead of minutes: If you ran 50 minutes and 30 seconds, enter 50.5, not 50:30. The calculator only accepts decimal minutes.
  • Rounding too early: Pace is often shown as 5.00 min/km, but for training you might want to convert to seconds (5:00). Multiply the decimal part by 60 to get seconds.
  • Forgetting that speed and pace are inverses: A 5% increase in speed does not mean a 5% decrease in pace. The relationship is reciprocal.

Limitations of the Formula

This calculator assumes constant speed. Real workouts have hills, stops, and surges, so the pace is an average, not a split-by-split breakdown. It also ignores factors like elevation gain, surface type, and wind, which can make the same pace feel harder or easier.

For interval training or GPS data, you would need a more complex tool that analyzes each segment. But for a simple time-and-distance workout, this formula is accurate and reliable.

Frequently Asked Questions

Can I use this for walking?

Yes, the same formula applies to walking. If you walk 5 km in 60 minutes, your pace is 12:00 min/km and your speed is 5 km/h.

How do I convert pace to speed?

Speed = 60 ÷ pace (when pace is in minutes per kilometer). For example, a 5:00 min/km pace gives 60 ÷ 5 = 12 km/h.

What if I run on a treadmill?

Treadmill speed is usually shown in km/h or mph. You can enter the time and distance from the treadmill display to get your pace, but note that treadmill running often feels easier than outdoor running due to the belt assisting your stride.

Is a lower pace always better?

Yes, in running, a lower pace (fewer minutes per kilometer) means faster running. But “better” depends on your goal—a slower pace might be appropriate for a recovery run.

How do I calculate my pace for a marathon?

Enter the target finish time (in minutes) and the marathon distance (42.195 km). The calculator will give you the required average pace. For example, a 4-hour marathon is 240 minutes, so pace = 240 ÷ 42.195 = 5:41 min/km.

Related

Formula used
in t | Finish time | min | 50 | 0
in d | Distance | km | 10 | 0 | 100000
out pace | Average pace | min/km | t / d | 2
out speed | Average speed | km/h | d / (t / 60) | 2

Each line is one input (in, sel, list) or one result (out: label, unit, formula, decimals). How the calculators work

Method: the standard formula for this calculation, rounded as each result states. See how the calculators work or report an error.

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