feet to mm converter

1 foot equals 304.8 millimeters. Conversions use mm = ft × 304.8

ft → 304.8 mm

mm = ft × 304.8

Converter

Worked examples

1 ft = 304.8 mm
2 ft = 609.6 mm
5 ft = 1,524 mm
10 ft = 3,048 mm
100 ft = 30,480 mm

feet to millimeters conversion table

ft	mm	Arithmetic
1 ft	304.8 mm	× 304.8
2 ft	609.6 mm	× 304.8
3 ft	914.4 mm	× 304.8
4 ft	1,219.2 mm	× 304.8
5 ft	1,524 mm	× 304.8
6 ft	1,828.8 mm	× 304.8
8 ft	2,438.4 mm	× 304.8
10 ft	3,048 mm	× 304.8
12 ft	3,657.6 mm	× 304.8
15 ft	4,572 mm	× 304.8
20 ft	6,096 mm	× 304.8
25 ft	7,620 mm	× 304.8
30 ft	9,144 mm	× 304.8
40 ft	12,192 mm	× 304.8
50 ft	15,240 mm	× 304.8
60 ft	18,288 mm	× 304.8
70 ft	21,336 mm	× 304.8
80 ft	24,384 mm	× 304.8
90 ft	27,432 mm	× 304.8
100 ft	30,480 mm	× 304.8

How to convert ft to mm

Take your value in feet.
Multiply by 304.8
That is your answer in millimeters — no rounding needed until you choose a display precision.

Related conversions

mm to ft mm to cm mm to m mm to km mm to in mm to yd mm to mi mm to nmi cm to mm all length units

Questions

How many millimeters in 1 foot?

Exactly 304.8 mm. The factor follows from the definitions of both units, not from a measurement, so it is exact.

How do I convert ft to mm?

Multiply the feet figure by 304.8 — or use the converter above, which updates as you type.

Is ft to mm the same as mm to ft?

No — they are inverses. One ft is 304.8 mm, while one mm is 0.0032808399 ft.

What is 1 ft in mm?

1 ft = 304.8 mm (see the value page for the full arithmetic).