How to Convert Feet and Inches to MM

Learn how to easily convert feet and inches to millimeters (mm). This guide provides step-by-step instructions for converting feet to mm, inches to mm, and the total feet + inches to mm.

To convert a measurement in feet and inches to millimeters (mm), use the following formulas:

Feet Inches to MM Example Conversion

Let’s convert 5 feet 1 inch to millimeters.

  1. Multiply the feet value by 304.8:
    5 feet × 304.8 = 1524 mm
  2. Multiply the inches value by 25.4:
    1 inch × 25.4 = 25.4 mm
  3. Add the two results together:
    1524 mm + 25.4 mm = 1549.4 mm

So, 5 feet 1 inch equals 1549.4 mm.

Feet Inches to MM Conversion Steps

  1. Convert feet to millimeters: Multiply the number of feet by 304.8.
  2. Convert inches to millimeters: Multiply the number of inches by 25.4.
  3. Add both values to get the total millimeters.

Converting feet and inches to millimeters might seem challenging, but with the right method, it becomes simple. Whether you’re working with measurements for construction, design, or personal projects, this guide will help you to convert feet and inches into millimeters.

Feet and Inches to Millimeters Conversion Chart

Feet + Inches Ft + In Millimeters
1 inch 1" 25.4 mm
2 inches 2" 50.8 mm
3 inches 3" 76.2 mm
4 inches 4" 101.6 mm
5 inches 5" 127 mm
6 inches 6" 152.4 mm
7 inches 7" 177.8 mm
8 inches 8" 203.2 mm
9 inches 9" 228.6 mm
10 inches 10" 254 mm
11 inches 11" 279.4 mm
1 feet 1' 304.8 mm
1 feet 1 inch 1' 1" 330.2 mm
1 feet 2 inches 1' 2" 355.6 mm
1 feet 3 inches 1' 3" 381 mm
1 feet 4 inches 1' 4" 406.4 mm
1 feet 5 inches 1' 5" 431.8 mm
1 feet 6 inches 1' 6" 457.2 mm
1 feet 7 inches 1' 7" 482.6 mm
1 feet 8 inches 1' 8" 508 mm
1 feet 9 inches 1' 9" 533.4 mm
1 feet 10 inches 1' 10" 558.8 mm
1 feet 11 inches 1' 11" 584.2 mm
2 feet 2' 609.6 mm
2 feet 1 inch 2' 1" 635 mm
2 feet 2 inches 2' 2" 660.4 mm
2 feet 3 inches 2' 3" 685.8 mm
2 feet 4 inches 2' 4" 711.2 mm
2 feet 5 inches 2' 5" 736.6 mm
2 feet 6 inches 2' 6" 762 mm
2 feet 7 inches 2' 7" 787.4 mm
2 feet 8 inches 2' 8" 812.8 mm
2 feet 9 inches 2' 9" 838.2 mm
2 feet 10 inches 2' 10" 863.6 mm
2 feet 11 inches 2' 11" 889 mm
3 feet 3' 914.4 mm
3 feet 1 inch 3' 1" 939.8 mm
3 feet 2 inches 3' 2" 965.2 mm
3 feet 3 inches 3' 3" 990.6 mm
3 feet 4 inches 3' 4" 1016 mm
3 feet 5 inches 3' 5" 1041.4 mm
3 feet 6 inches 3' 6" 1066.8 mm
3 feet 7 inches 3' 7" 1092.2 mm
3 feet 8 inches 3' 8" 1117.6 mm
3 feet 9 inches 3' 9" 1143 mm
3 feet 10 inches 3' 10" 1168.4 mm
3 feet 11 inches 3' 11" 1193.8 mm
4 feet 4' 1219.2 mm
4 feet 1 inch 4' 1" 1244.6 mm
4 feet 2 inches 4' 2" 1270 mm
4 feet 3 inches 4' 3" 1295.4 mm
4 feet 4 inches 4' 4" 1320.8 mm
4 feet 5 inches 4' 5" 1346.2 mm
4 feet 6 inches 4' 6" 1371.6 mm
4 feet 7 inches 4' 7" 1397 mm
4 feet 8 inches 4' 8" 1422.4 mm
4 feet 9 inches 4' 9" 1447.8 mm
4 feet 10 inches 4' 10" 1473.2 mm
4 feet 11 inches 4' 11" 1498.6 mm
5 feet 5' 1524 mm
5 feet 1 inch 5' 1" 1549.4 mm
5 feet 2 inches 5' 2" 1574.8 mm
5 feet 3 inches 5' 3" 1600.2 mm
5 feet 4 inches 5' 4" 1625.6 mm
5 feet 5 inches 5' 5" 1651 mm
5 feet 6 inches 5' 6" 1676.4 mm
5 feet 7 inches 5' 7" 1701.8 mm
5 feet 8 inches 5' 8" 1727.2 mm
5 feet 9 inches 5' 9" 1752.6 mm
5 feet 10 inches 5' 10" 1778 mm
5 feet 11 inches 5' 11" 1803.4 mm
6 feet 6' 1828.8 mm
6 feet 1 inch 6' 1" 1854.2 mm
6 feet 2 inches 6' 2" 1879.6 mm
6 feet 3 inches 6' 3" 1905 mm
6 feet 4 inches 6' 4" 1930.4 mm
6 feet 5 inches 6' 5" 1955.8 mm
6 feet 6 inches 6' 6" 1981.2 mm
6 feet 7 inches 6' 7" 2006.6 mm
6 feet 8 inches 6' 8" 2032 mm
6 feet 9 inches 6' 9" 2057.4 mm
6 feet 10 inches 6' 10" 2082.8 mm
6 feet 11 inches 6' 11" 2108.2 mm
7 feet 7' 2133.6 mm
7 feet 1 inch 7' 1" 2159 mm
7 feet 2 inches 7' 2" 2184.4 mm
7 feet 3 inches 7' 3" 2209.8 mm
7 feet 4 inches 7' 4" 2235.2 mm
7 feet 5 inches 7' 5" 2260.6 mm
7 feet 6 inches 7' 6" 2286 mm
7 feet 7 inches 7' 7" 2311.4 mm
7 feet 8 inches 7' 8" 2336.8 mm
7 feet 9 inches 7' 9" 2362.2 mm
7 feet 10 inches 7' 10" 2387.6 mm
7 feet 11 inches 7' 11" 2413 mm
8 feet 8' 2438.4 mm
8 feet 1 inch 8' 1" 2463.8 mm
8 feet 2 inches 8' 2" 2489.2 mm
8 feet 3 inches 8' 3" 2514.6 mm
8 feet 4 inches 8' 4" 2540 mm
8 feet 5 inches 8' 5" 2565.4 mm
8 feet 6 inches 8' 6" 2590.8 mm
8 feet 7 inches 8' 7" 2616.2 mm
8 feet 8 inches 8' 8" 2641.6 mm
8 feet 9 inches 8' 9" 2667 mm
8 feet 10 inches 8' 10" 2692.4 mm
8 feet 11 inches 8' 11" 2717.8 mm
9 feet 9' 2743.2 mm
9 feet 1 inch 9' 1" 2768.6 mm
9 feet 2 inches 9' 2" 2794 mm
9 feet 3 inches 9' 3" 2819.4 mm
9 feet 4 inches 9' 4" 2844.8 mm
9 feet 5 inches 9' 5" 2870.2 mm
9 feet 6 inches 9' 6" 2895.6 mm
9 feet 7 inches 9' 7" 2921 mm
9 feet 8 inches 9' 8" 2946.4 mm
9 feet 9 inches 9' 9" 2971.8 mm
9 feet 10 inches 9' 10" 2997.2 mm
9 feet 11 inches 9' 11" 3022.6 mm
10 feet 10' 3048 mm
10 feet 1 inch 10' 1" 3073.4 mm
10 feet 2 inches 10' 2" 3098.8 mm
10 feet 3 inches 10' 3" 3124.2 mm
10 feet 4 inches 10' 4" 3149.6 mm
10 feet 5 inches 10' 5" 3175 mm
10 feet 6 inches 10' 6" 3200.4 mm
10 feet 7 inches 10' 7" 3225.8 mm
10 feet 8 inches 10' 8" 3251.2 mm
10 feet 9 inches 10' 9" 3276.6 mm
10 feet 10 inches 10' 10" 3302 mm
10 feet 11 inches 10' 11" 3327.4 mm
11 feet 11' 3352.8 mm
11 feet 1 inch 11' 1" 3378.2 mm
11 feet 2 inches 11' 2" 3403.6 mm
11 feet 3 inches 11' 3" 3429 mm
11 feet 4 inches 11' 4" 3454.4 mm
11 feet 5 inches 11' 5" 3479.8 mm
11 feet 6 inches 11' 6" 3505.2 mm
11 feet 7 inches 11' 7" 3530.6 mm
11 feet 8 inches 11' 8" 3556 mm
11 feet 9 inches 11' 9" 3581.4 mm
11 feet 10 inches 11' 10" 3606.8 mm
11 feet 11 inches 11' 11" 3632.2 mm
12 feet 12' 3657.6 mm
12 feet 1 inch 12' 1" 3683 mm
12 feet 2 inches 12' 2" 3708.4 mm
12 feet 3 inches 12' 3" 3733.8 mm
12 feet 4 inches 12' 4" 3759.2 mm
12 feet 5 inches 12' 5" 3784.6 mm
12 feet 6 inches 12' 6" 3810 mm
12 feet 7 inches 12' 7" 3835.4 mm
12 feet 8 inches 12' 8" 3860.8 mm
12 feet 9 inches 12' 9" 3886.2 mm
12 feet 10 inches 12' 10" 3911.6 mm
12 feet 11 inches 12' 11" 3937 mm
13 feet 13' 3962.4 mm