Pace Calculator – Running Pace, Speed & Time Calculator

Running Pace Calculator

Minutes

Seconds

Pace per kilometer

The Pace Calculator (also called a running pace calculator or speed converter) helps runners and athletes convert between pace (minutes per km/mile) and speed (km/h or mph). It also works as a race time predictor by calculating time from distance and pace. Whether you are training for a marathon, planning interval workouts, or comparing your performance, this tool provides accurate, step‑by‑step conversions. Choose between kilometers and miles, and use any of the three calculation modes.

Key Formulas for Pace and Speed

Speed (km/h or mph) = 60 / Pace (minutes per unit)

Pace (min/unit) = 60 / Speed

Time = Distance × Pace (in seconds, then convert to hours/minutes/seconds)

How to Use This Running Pace Calculator

Pace → Speed: Enter your pace (minutes and seconds per km/mile) to get speed in km/h or mph.
Speed → Pace: Enter your speed to get your pace.
Time & Distance: Enter distance and total time to get both pace and speed.

Pace vs. Speed: Which One to Use?

Pace (minutes per unit) is more intuitive for runners because it directly tells you how long each kilometer or mile takes. Speed is useful for treadmill settings or cycling. Our calculator handles both, so you can switch between them effortlessly.

Why Use a Pace Calculator?

Training plans: Target specific paces for different runs (easy, tempo, interval).
Race strategy: Predict finish times for 5K, 10K, half marathon, or marathon.
Compare performances: Convert between pace and speed to standardise data.
GPS watch sync: Many devices show pace; this helps interpret speed.

Bookmark this running pace calculator for all your training and racing needs.

Common Running Paces Reference

Pace (min/km)	Speed (km/h)	5K time	Marathon time
4:00	15.0	20:00	2:48:48
5:00	12.0	25:00	3:30:00
6:00	10.0	30:00	4:12:48
7:00	8.57	35:00	4:55:00

Use this pace calculator to plan your next race. Whether you need a running pace calculator for daily runs or a speed converter for interval training, this tool is all you need.

Step‑by‑Step Manual Example

Pace 5:30 min/km → Speed: 60 / 5.5 = 10.91 km/h

Speed 12 km/h → Pace: 60 / 12 = 5 min/km → 5:00

10 km in 55 minutes: pace = 55/10 = 5.5 min/km → 5:30, speed = 10.91 km/h

Frequently Asked Questions about Pace & Running

What is a running pace calculator?

A pace calculator converts between pace (minutes per kilometer/mile) and speed (km/h or mph). It also helps predict race times given distance and target pace.

How do I use this pace calculator?

Choose a mode: Pace → Speed, Speed → Pace, or Time & Distance. Enter the known values, select units (km or miles), and click Calculate.

What is a good running pace?

It varies by fitness level. A beginner might run 7‑8 min/km, while an advanced runner may run 4‑5 min/km. Use this calculator to find your speed.

Can I plan a race time?

Yes, use the Time & Distance mode: enter your target distance and desired pace, and the calculator will show the finish time.