Delete Alarm on iPhone: Quick Steps

To delete an alarm on an iPhone quickly, open the Clock app, tap the Alarm tab, tap Edit, then tap the red minus icon next to the alarm and confirm. You can also swipe left on an alarm in the list and tap Delete for a faster removal.

Formula

The calculator works out your average pace and speed for a run or ride. You enter the total time in minutes and the distance in kilometers. The average pace is the time divided by the distance:

pace (min/km) = total time (min) ÷ distance (km)

speed (km/h) = distance (km) ÷ (total time (min) ÷ 60)

Both outputs use the same two inputs. The pace tells you how many minutes each kilometer takes; the speed tells you how many kilometers you cover in one hour.

Worked Example

Using the default values: you finish a 10 km run in 50 minutes.

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

The calculator shows an average pace of 5:00 per kilometer and an average speed of 12.00 km/h.

When to Use This Calculator

Use it after any run, bike ride, or walk where you know the total time and distance. It is handy for training logs, race planning, or just checking how your pace changes on different routes. You can also use it to estimate finish times: if you know your target pace, multiply it by the distance to get the total minutes.

How to Read the Results

The pace result is shown as minutes per kilometer (min/km). A lower number means faster. The speed is in kilometers per hour (km/h), so a higher number is faster. For example, a 30-minute 5K gives a pace of 6:00 min/km and a speed of 10 km/h. If you usually think in miles, multiply the pace by 1.609 to get minutes per mile, or divide the speed by 1.609 to get miles per hour.

Common Mistakes

• Mixing units: Entering distance in miles but expecting kilometers per hour will give a wrong speed. Convert miles to km first (1 mile = 1.609 km).
• Using seconds instead of minutes: If you enter time in seconds, the pace will be far too small. Always convert to minutes.
• Rounding too early: Round only the final answer, not intermediate steps. For example, 50 ÷ 10 is exact, but for other numbers, rounding mid-calculation can shift the last digit.
• Confusing pace and speed: Pace is time per distance, speed is distance per time. They are reciprocals (with a 60 conversion). A faster pace means a lower number, while a faster speed means a higher number.

Limits of the Formula

This formula assumes constant speed. Real runs include hills, stops, and changes in effort, so the average pace is just the overall time divided by distance, not a measure of how steady you were. It also ignores elevation gain, which can make the same pace feel harder on hilly routes. For interval training, the average pace may not reflect your actual effort in each segment.

Frequently Asked Questions

How do I convert pace to speed? Divide 60 by the pace in minutes per kilometer. For example, 5:00 min/km → 60 ÷ 5 = 12 km/h. To go the other way, divide 60 by the speed in km/h.

What is a good running pace? It depends on age, fitness, and experience. A common recreational jog is around 6:00–7:00 min/km, while a fast amateur runner might do 4:30–5:00 min/km. Elite runners are under 3:00 min/km for a marathon.

Can I use this for cycling? Yes. The formula works for any activity where you have total time and distance. Cyclists often use km/h more than min/km, so the speed output is directly useful.

What if I run on a treadmill? The same math applies. If the treadmill shows speed in km/h and you want pace, divide 60 by the speed. For example, 10 km/h → 6:00 min/km.

Why is my GPS pace different from this calculation? GPS devices measure instantaneous pace and account for elevation and GPS error. This calculator gives the simple average over the whole distance, which is often slightly different from the “moving pace� your watch shows.

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