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Length Conversion: feet to mm, mm to feet

Use the online conversion calculators to convert between feet (ft) and milimeters (mm).

Conversion Calculators

Enter your value in one of the conversion calculators below to convert feet to mm or convert mm to feet.

Convert feet to mm

Convert mm to feet

How to convert feet to mm: Use the conversion calculator on the left-hand side titled "Convert feet to mm". Enter a value in the feet field and click on the "Calculate mm" button. Your answer will appear in the mm field.

How to convert mm to feet: Use the conversion calculator on the right-hand side titled "Convert mm to feet". Enter a value in the mm field and click on the "Calculate feet" button. Your answer will appear in the feet field.

Definitions

Below are definitions relating to these conversion formulas:

Unit Symbol Measurement System Description
inches in or " US Customary Units (and Imperial)  
feet ft or ' US Customary Units (and Imperial) 1 foot = 12 inches
yards yd US Customary Units (and Imperial) 1 yard = 3 feet
miles mi US Customary Units (and Imperial) 1 mile = 1760 yards or 5280 feet
millimeter mm Metric System 1000 mm = 1 m
centimeter cm Metric System 100 cm = 1 m, 1 cm = 10 mm
decimeter dm Metric System 10 dm = 1 m, 1 dm = 10 cm
meter m Metric System 1 m = 1000 mm, 100 cm, 10 dm
kilometer km Metric System 1 km = 1000 m