How Long Is One Foot?
See one foot on a proportional scale and understand its relationship to inches, centimeters, and meters.
MeasureKind · Length Explorer
How Long Is One Foot?
Enter a length or choose a familiar object. The ruler changes its scale automatically.
YOUR MEASUREMENT1 ft
Visual ruler
Scale: 0 to 40 cm. The blue area shows your selected length.
This is a proportional visual diagram, not a physically calibrated screen ruler. The scale and measurements update automatically when you change the length or unit.
Compare with everyday objects
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Quick conversions
Millimeters304.8 mm
Centimeters30.48 cm
Inches12 in
Yards0.3333 yd
Meters0.3048 m
Kilometers0.0003 km
Unit conversions are mathematical conversions. Reference object sizes are illustrative and may vary. Screen ruler lengths are proportional diagrams and are not guaranteed to match physical dimensions on your display.
Conversions and facts
The values below use standard unit-conversion factors. The visual representation is illustrative and is not calibrated to your display.
Good to know
Frequently asked questions
How many inches are in one foot?
One foot is exactly 12 inches.
Is one foot the same as 30 centimeters?
Not exactly. One foot is 30.48 centimeters.