If you’re trying to decide between Wordle, Quordle, and other daily word games, the short answer is: play Wordle for a quick, low-pressure daily ritual, and play Quordle when you want a tougher mental workout that still fits in one sitting. The right choice depends on how much time you have, how hard you want the puzzle to be, and whether you prefer guessing alone or competing with friends.
Formula
The calculator above works out your average running pace and speed from a finish time and distance. The formulas are:
- Pace (min/km) = Finish time (minutes) ÷ Distance (km)
- Speed (km/h) = Distance (km) ÷ (Finish time (minutes) ÷ 60)
Where:
- Finish time is the total time you took, in minutes.
- Distance is the distance you covered, in kilometers.
If you measure distance in miles, convert to km first (1 mile = 1.60934 km) or use the pace result as minutes per mile if you keep the distance in miles — but the speed output will then be in miles per hour, not km/h.
Worked Example
Using the default values: finish time = 50 minutes, distance = 10 km.
- Pace = 50 ÷ 10 = 5.00 min/km
- Speed = 10 ÷ (50 ÷ 60) = 10 ÷ 0.8333 = 12.00 km/h
So a 50-minute 10K means an average pace of 5:00 per kilometer and an average speed of 12 km/h.
How to Use the Result
The pace tells you how fast you were moving per kilometer, which is the standard way runners measure effort. The speed is less common in running but useful if you’re comparing with cycling or treadmill settings. A lower pace number means faster running; a higher speed number also means faster running. For example, a 6:00 min/km pace equals 10 km/h, while a 4:30 min/km pace equals about 13.3 km/h.
Use the pace result to plan training: easy runs are usually 1–2 minutes per km slower than your 10K race pace, and interval sessions are often 30–60 seconds per km faster.
Common Mistakes
- Mixing minutes and seconds: If your finish time is 1:23:45, convert to minutes first: 1 hour = 60 min, plus 23 min, plus 45 sec ÷ 60 = 0.75 min, so total = 83.75 minutes.
- Using miles without conversion: The formula expects km. If you ran 5 miles, convert to km (5 × 1.60934 = 8.05 km) before entering.
- Rounding too early: Keep at least two decimal places until the final answer to avoid a pace error of several seconds.
Limitations of the Formula
This calculator assumes constant speed over the whole distance. In real runs, you speed up and slow down, so the result is an average, not a split-by-split breakdown. It also ignores elevation gain, terrain, wind, and stops — all of which affect actual effort. For hilly courses, your average pace will be slower than on flat ground even at the same perceived effort. The formula is purely mathematical; it doesn’t estimate fitness or predict race times.
When to Use This Calculator
Use it after a run to log your average pace, or before a race to see what pace you need to hit a target time. For example, to run a 45-minute 10K, you need 4:30 min/km. You can also use it for walking, cycling, or any activity where you know total time and distance. For treadmill runs, the machine shows speed in km/h or mph, so this calculator helps you convert that to pace.
Frequently Asked Questions
How do I convert pace to speed manually?
Divide 60 by your pace in minutes per km. For example, 5:00 min/km → 60 ÷ 5 = 12 km/h. If your pace is 6:30, convert to decimal (6.5) then 60 ÷ 6.5 = 9.23 km/h.
What is a good running pace for a beginner?
Most beginners run at 7:00–9:00 min/km (about 6.7–8.6 km/h). That’s a comfortable conversational effort. It varies with age, fitness, and training, so there’s no single “good” pace.
Does this work for miles?
Yes, if you enter distance in miles and time in minutes, the pace output is minutes per mile and the speed output is miles per hour. Just don’t mix units — either use km for both outputs or miles for both.
How do I calculate pace for a half marathon?
Enter the distance as 21.0975 km (or 13.1 miles) and your target finish time in minutes. For example, a 1:45 half marathon = 105 minutes, so pace = 105 ÷ 21.0975 = 4.98 min/km (about 5:00).
Why is my speed different from my treadmill’s display?
Treadmills often show speed in mph or km/h, but they may be miscalibrated. Also, treadmills don’t account for wind resistance, so outdoor speed at the same effort is usually slightly lower. Check your treadmill’s calibration if the difference is large.
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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