Unit Conversions Made Easy: Length, Weight, Temperature & More
The everyday conversions everyone needs — between metric and imperial length, weight, temperature, speed, volume and area — with the key factors, mental tricks and the mistakes to avoid.
Length Converter
Verified formula Updated Jun 2026 Private — runs on your device
Verified formula
Private
Kilometres (km)
1.609344
- Metres (m)
- 1,609.3440
- Miles (mi)
- 1.000000
- Feet (ft)
- 5,280.0000
- Inches (in)
- 63,360.0000
For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.
How to use the Length Converter
The Length Converter works out your kilometres (km), along with 4 related figures in an instant. Enter length and from unit and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
- Enter the length.
- Choose the from unit.
- Read off your kilometres (km), together with metres (m), miles (mi) and feet (ft) — the calculator updates automatically, with no button to press.
Worked example
For example, with length of 1 and from unit of Miles (mi), the kilometres (km) is 1.609344.
| Length | 1 |
|---|---|
| From unit | Miles (mi) |
| Kilometres (km) | 1.609344 |
|---|---|
| Metres (m) | 1,609.3440 |
| Miles (mi) | 1.000000 |
| Feet (ft) | 5,280.0000 |
| Inches (in) | 63,360.0000 |
Results are estimates for educational use, not professional advice.
Frequently asked questions
One mile equals 1.609344 kilometres. So 1 mile is about 1.61 km, and 1 km is about 0.621 miles.
Multiply feet by 0.3048. Choose feet as the from-unit and the calculator shows the result in metres and other units.
There are 12 inches in a foot, and 1 inch equals exactly 2.54 centimetres.
Yes. The converter handles metric units (m, km, cm, mm) and imperial units (miles, yards, feet, inches) in any combination.
Enter the length. Choose the from unit. Read off your kilometres (km), together with metres (m), miles (mi) and feet (ft) — the calculator updates automatically, with no button to press.
Related guides
Length Converter Table: Kilometres (km) by Length
Reference table of kilometres (km) for Length Converter across a range of length values — exact, engine-computed figures you can read off at a glance.
How to Calculate Length Converter: Formula, Steps & Examples
Learn how to calculate Length Converter — the formula explained step by step, with worked examples and a free calculator to check your answer.
Temperature Converter Table: Fahrenheit (°F) by Temperature
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