Length Converter
Convert metres, feet, inches, centimetres, kilometres, miles, and more instantly.
Length Converter
Convert common metric and imperial distance units with a full multi-unit breakdown.
This calculator auto-updates when values change.
Quick conversions
Conversion logic
The input is converted to the base unit (meter), then converted into the selected output unit. This avoids rounding drift when switching between units.
Converted Value
3.2808399
ft
1 m equals 3.2808399 ft.
Base value
1 meter
Multi-unit breakdown
Millimetres
1,000 mm
Centimetres
100 cm
Metres
1 m
Kilometres
0.001 km
Inches
39.37007874 in
Feet
3.2808399 ft
Yards
1.0936133 yd
Miles
0.00062137 mi
About This Length Converter
This length converter turns common metric and imperial distance units into each other instantly. It is useful for measurements, travel distances, home projects, schoolwork, product dimensions, and quick checks when a value is listed in unfamiliar units.
The calculator converts through metres internally, then displays the selected output unit plus a multi-unit breakdown. That means you can see not only the direct answer, but also how the same length looks in millimetres, centimetres, metres, kilometres, inches, feet, yards, and miles.
Because measurement contexts use different rounding expectations, treat the displayed result as a practical conversion and round according to your use case. A DIY project, a classroom answer, and a technical drawing may all require different decimal precision.
How to Use This Calculator
- 1
Enter the length value
Type the amount you want to convert in the From field.
- 2
Choose the starting unit
Select the current unit, such as metres, feet, inches, kilometres, or miles.
- 3
Choose the output unit
Pick the unit you want to convert into. The result updates immediately.
- 4
Use quick conversions or swap
Use the preset chips for common conversions, or swap the From and To units when checking the reverse relationship.
- 5
Review the multi-unit breakdown
Use the breakdown grid to compare the same length across all supported units.
Frequently Asked Questions
Which length units are supported?v
The converter supports millimetres, centimetres, metres, kilometres, inches, feet, yards, and miles. These cover most everyday, construction, travel, classroom, and measurement conversion needs.
How does the converter avoid rounding drift?v
The value is first converted into metres as the base unit, then converted from metres into the selected output unit. This is more reliable than chaining one displayed conversion into another.
Can I convert imperial to metric and metric to imperial?v
Yes. You can convert in either direction, such as feet to metres, inches to centimetres, kilometres to miles, or yards to metres.
Why do some converted values have many decimals?v
Some unit relationships are not whole-number conversions. For example, one inch is exactly 2.54 centimetres, while one mile is 1,609.344 metres, so decimal values are normal.
Is this suitable for precision engineering?v
It is suitable for general and educational conversions. For regulated engineering, surveying, or manufacturing work, confirm required tolerances and rounding rules for your specific standard.