Free WinRAR WinZip? Legal & Safe Options

Yes, you can get WinRAR and WinZip for free, but the terms differ: WinRAR is a trial that never expires, while WinZip offers a limited free trial that reverts to a reduced-feature version. Both are legal to download from their official sites, and there are also fully free open-source alternatives like 7-Zip and PeaZip that do the same job without any trial limitations.

Formula

The calculator works out your average pace and speed for a run, walk, or ride. Pace is the time it takes to cover one kilometer (or one mile), and speed is the distance covered in one hour. The formulas are:

Pace = Finish time (minutes) ÷ Distance (km) — result in minutes per kilometer.

Speed = Distance (km) ÷ (Finish time (minutes) ÷ 60) — result in kilometers per hour.

Variables: t = finish time in minutes, d = distance in kilometers. If you measure in miles, convert miles to kilometers (1 mile = 1.60934 km) before using the formulas.

Worked Example

Using the default values: finish 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.

So the average pace is 5 minutes per kilometer, and the average speed is 12 km/h. The calculator shows the same result.

How to Read the Result

A lower pace (e.g., 4:30 min/km) means faster running; a higher pace (e.g., 6:30 min/km) means slower. Speed is the inverse: faster runners have higher km/h. For walking, typical pace is 10–15 min/km; for running, 4–7 min/km is common. Use the result to compare workouts, set training zones, or track improvement over time.

Common Mistakes

• Using seconds instead of minutes: if you enter 50 seconds, the pace will be absurdly low. Convert to minutes first (e.g., 1:30:00 = 90 min).
• Mixing miles and kilometers: if your distance is in miles, multiply by 1.60934 to get km before entering. Otherwise the pace will look too fast.
• Rounding too early: keep at least two decimals during calculations to avoid errors in the final pace.
• Confusing pace with speed: pace is time per distance, speed is distance per time. They are reciprocals (with unit conversion).

When to Use This Calculator

Use it before a race to estimate what pace you need to hit a target finish time, or after a workout to see your actual average. It works for running, walking, cycling, or any activity where you cover a known distance in a known time. For interval training, calculate each rep separately. For treadmill workouts, use the treadmill distance (often shown in miles or km) and the time you spent.

Limits of the Formula

The formula assumes a constant speed. Real workouts have hills, stops, and surges, so the average pace may not reflect how it felt. It also ignores elevation gain, wind, and fatigue. For very short distances (e.g., 100 m), pace in min/km is less intuitive; convert to seconds per 100 m instead. The calculator is for planning and logging, not for racing strategy that requires real-time data.

Frequently Asked Questions

How do I convert my pace to mph?

Take 60 and divide by your pace in minutes per mile. For example, a 10 min/mile pace is 60 ÷ 10 = 6 mph. If your pace is in min/km, first multiply by 1.60934 to get min/mile, then divide 60 by that number.

What is a good running pace for a beginner?

Most beginners run at 7–10 min/km (11–16 km/h). That’s fine. Focus on effort, not a number. A “good� pace depends on age, fitness, and distance; a 5K pace is usually faster than a marathon pace.

Why is my calculated pace different from my watch?

Watches use GPS and may measure slightly different distance, especially with turns or indoors. Your watch also includes pauses (auto-pause) or may count moving time differently. The calculator gives a simple average over the exact distance you enter.

Can I use this for cycling?

Yes, the same formulas apply. Cyclists often use km/h directly, and pace in min/km is less common but still valid. Just enter the distance and time.

How do I calculate pace for a half marathon?

Enter the distance (21.0975 km) and your target finish time in minutes (e.g., 1:45:00 = 105 minutes). The calculator will give you the pace you need to hold.

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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