Distance, Speed & Time Calculator
Convert miles to kilometers, calculate trip time, check speed limits, and plan your journey — all in one place.
Whether you're hiring a car abroad, reading a road sign in miles, or planning how long a drive will take — our free calculators help you convert and calculate instantly.
Exactly 1.609344 kilometres equal one mile, a ratio set by international treaty in 1959.
Miles ↔ kmmph ↔ km/hTrip time
Walking paceSpeed limitsFree tool
1 mile= 1.60934 km
1 km= 0.62137 miles
60 mph= 96.56 km/h
100 km/h= 62.14 mph
Walking~5 km/h · ~3.1 mph
Marathon42.195 km · 26.22 mi
Miles to kilometres converter
Enter a value in either field — conversion updates live
Common distance conversions
| Miles | Kilometres | Context |
|---|---|---|
| 1 mi | 1.609 km | Standard reference |
| 5 mi | 8.047 km | Short road trip leg |
| 10 mi | 16.09 km | Running race distance |
| 26.22 mi | 42.19 km | Marathon |
| 60 mi | 96.56 km | 1 hour at 60 mph |
| 100 mi | 160.93 km | Long road trip |
| 500 mi | 804.67 km | Cross-country drive |
How many kilometres equal one mile?
Exactly 1.609344 kilometres equal one mile. These are internationally agreed unit definitions established by the International Yard and Pound Agreement of 1959. The recognised symbol for miles is "mi" and "km" for kilometres.
Speed converter — mph ↔ km/h
Enter a value above and press Convert
Common speed limits by country
| Country | Urban (km/h) | Highway (km/h) | Highway (mph) |
|---|---|---|---|
| 🇺🇸 USA | 25–35 mph (40–56) | 65–75 mph (105–121) | 65–75 |
| 🇬🇧 UK | 30 mph (48) | 70 mph (113) | 70 |
| 🇩🇪 Germany | 50 | 130 (recommended) | 81 |
| 🇫🇷 France | 50 | 130 | 81 |
| 🇮🇹 Italy | 50 | 130 | 81 |
| 🇦🇺 Australia | 50 | 110 | 68 |
| 🇨🇦 Canada | 50 | 100–110 | 62–68 |
| 🇯🇵 Japan | 40–60 | 100 | 62 |
| 🇧🇷 Brazil | 60 | 120 | 75 |
Driving abroad? Always check local speed limits before renting a car. Speed cameras are common across Europe, and fines can be issued to rental companies who pass the cost on to you.
What speed is 100 km/h in mph?
100 km/h equals 62.14 mph. This is the most common highway speed limit in continental Europe and many other countries. Note: the SI base unit of linear speed is metres per second (m/s), where 100 km/h = 27.78 m/s.
Trip time calculator
Enter your distance and average speed to calculate how long your journey will take. Formula: Time = Distance ÷ Speed
Enter distance and speed above
Typical journey times at common speeds
| Distance | At 80 km/h | At 100 km/h | At 120 km/h |
|---|---|---|---|
| 50 km / 31 mi | 37 min | 30 min | 25 min |
| 100 km / 62 mi | 1h 15m | 1h 00m | 50 min |
| 200 km / 124 mi | 2h 30m | 2h 00m | 1h 40m |
| 500 km / 311 mi | 6h 15m | 5h 00m | 4h 10m |
| 1000 km / 621 mi | 12h 30m | 10h 00m | 8h 20m |
Traveler tip: Always add 20–30% to calculated drive times for stops, traffic, border crossings and rest breaks. The EU recommends a 15-minute break every 2 hours of driving.
Walking & running pace calculator
Useful for active travellers exploring cities on foot, or planning hikes and runs while abroad.
Enter distance and time above
Typical pace reference
🚶
Leisure walk
4–5 km/h
12–15 min/km · ~3.1 mph
🏃
Jogging
8–10 km/h
6–7.5 min/km · ~5–6 mph
⛰️
Hiking (Naismith's rule)
4 km/h on flat
+1 hr per 600m ascent
City sightseeing estimate: At a comfortable tourist walking pace of 4 km/h, you can cover roughly 1 km every 15 minutes — useful for estimating how much of a city centre you can explore in a day.
Countries that measure speed in miles per hour (mph)
If you're driving in any of the countries below, road signs will show speeds in mph. All other countries use km/h — always check before you drive abroad.
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