Convert miles to km in one click
Type in any number of miles and get the exact distance in kilometres straight away — no sign-up, no ads, and nothing leaves your browser. Whether you spotted a road sign, reading a race distance, or planning a road trip, this converter handles it instantly.
1 mile = 1.60934 km — that single fact powers every result on this page.
How to use this miles to km converter
- Enter your miles value in the input box above.
- The equivalent distance in kilometres appears immediately.
- Need the reverse? Flip the units to convert km to miles just as quickly.
Miles to km conversion table (quick reference)
The most searched value: 1 mile = 1.60934 km. Use this table for common distances at a glance.
| Miles | Kilometres (km) |
|---|---|
| 1 | 1.609 |
| 2 | 3.219 |
| 5 | 8.047 |
| 10 | 16.093 |
| 25 | 40.234 |
| 50 | 80.467 |
| 100 | 160.934 |
For the reverse, km to miles: divide kilometres by 1.60934 (or multiply by 0.62137).
Worked example: converting a marathon distance
A marathon is 26.2 miles. How far is that in kilometres?
- Start with the miles value: 26.2
- Multiply by the conversion factor: 26.2 × 1.60934
- Result: 42.16 km
That matches the official marathon distance of 42.195 km — exactly what you'd expect.
How the conversion is calculated
The formula is straightforward:
km = miles × 1.60934The factor 1.60934 comes from the international definition of a mile: exactly 1,609.344 metres, which equals 1.609344 km. Most everyday uses round to 1.609 or 1.61.
To flip it and go from km to miles:
miles = km ÷ 1.60934A handy mental shortcut: multiply miles by 1.6 for a fast estimate. You'll be within 0.2% of the accurate answer.
Other ways people ask this question
People phrase this conversion in a few different ways — they all mean the same thing:
- Miles to kilometres — same calculation, just the full spelling.
- MPH to km/h — speed, not distance, but uses the same 1.60934 factor. A car doing 60 mph travels at 96.56 km/h.
- Miles per gallon to km/L or L/100km — a fuel-economy conversion that's different; don't use this tool for that one.
- Nautical miles to km — different unit entirely (1 nautical mile = 1.852 km). Switch the units in the converter above.
Quick tips and common mistakes
- Don't confuse miles and nautical miles. A nautical mile is about 15% longer than a regular (statute) mile.
- Road signs in the UK use miles; most of Europe uses km. If you're crossing borders, double-check which unit the sign is in.
- Avoid the ÷ 1.6 shortcut for precision work. Use the full factor 1.60934 whenever accuracy matters (running pace, fuel calculations).
- 5K runs are 3.107 miles, not 3 miles. A common mix-up when comparing race distances.
- All calculations happen right in your browser — nothing is sent to a server, so your data stays private.
Need to work with other data formats while you're here? Check out our JSON Beautifier - Format, Validate & Minify JSON Online or JSON Validator - Check & Fix JSON Errors Online (Free) for developer utilities.
Bottom line: multiply your miles by 1.60934 and you have kilometres. The converter above does it for you — just type and go.