Length Converter
Convert between metric and imperial length units: millimeters to miles and everything between.
Length Converter
Convert between metric and imperial length units: millimeters to miles and everything between.
How to use the Length Converter
- Enter the value to convert.
- Select the source unit.
- Select the target unit.
- Click Calculate.
Formula
Result = Value / SourceFactor × TargetFactor
(e.g., converting km to mi: km / 1000 × 1609.344... simplified)
Example
5 km to miles: 5 × 1000 / 1609.344 = 3.107 miles.
Step-by-step calculation
- Convert to base unit (meters): 5 km = 5,000 m.
- Convert from base to target: 5,000 ÷ 1609.344 ≈ 3.107 mi.
Real-world uses
- International travel planning.
- Construction and engineering.
- Sports and fitness tracking.
Common mistakes
- Confusing kilometers with miles.
- Using wrong conversion factors.
- Not accounting for significant figures.
Frequently asked questions
What is the exact conversion for 1 inch?
1 inch = 25.4 mm exactly.
How accurate are the conversions?
All factors are exact or high-precision standard values.
Which units are supported?
mm, cm, m, km, inches, feet, yards, miles.