Length • NIST Exact

Miles Feet

mi → ft

1 mi = 5,280 ftNIST Exact

NIST Exact

Based on U.S. National Institute of Standards

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mi → ft Reference Table

mi ft
0.001 mi 5.28 ft
0.002 mi 10.56 ft
0.003 mi 15.84 ft
0.004 mi 21.12 ft
0.005 mi 26.4 ft
0.006 mi 31.68 ft
0.007 mi 36.96 ft
0.008 mi 42.24 ft
0.009 mi 47.52 ft
0.01 mi 52.8 ft
0.02 mi 105.6 ft
0.03 mi 158.4 ft
0.04 mi 211.2 ft
0.05 mi 264 ft
0.06 mi 316.8 ft
0.07 mi 369.6 ft
0.08 mi 422.4 ft
0.09 mi 475.2 ft
0.1 mi 528 ft
0.2 mi 1056 ft
0.3 mi 1584 ft
0.4 mi 2112 ft
0.5 mi 2640 ft
0.6 mi 3168 ft
0.7 mi 3696 ft
0.8 mi 4224 ft
0.9 mi 4752 ft
1 mi 5280 ft
1.5 mi 7920 ft
2 mi 10560 ft
2.5 mi 13200 ft
3 mi 15840 ft
3.5 mi 18480 ft
4 mi 21120 ft
4.5 mi 23760 ft
5 mi 26400 ft
5.5 mi 29040 ft
6 mi 31680 ft
6.5 mi 34320 ft
7 mi 36960 ft
7.5 mi 39600 ft
8 mi 42240 ft
8.5 mi 44880 ft
9 mi 47520 ft
9.5 mi 50160 ft
10 mi 52800 ft
11 mi 58080 ft
12 mi 63360 ft
13 mi 68640 ft
14 mi 73920 ft
15 mi 79200 ft
16 mi 84480 ft
17 mi 89760 ft
18 mi 95040 ft
19 mi 100320 ft
20 mi 105600 ft
25 mi 132000 ft
30 mi 158400 ft
35 mi 184800 ft
40 mi 211200 ft
45 mi 237600 ft
50 mi 264000 ft
55 mi 290400 ft
60 mi 316800 ft
65 mi 343200 ft
70 mi 369600 ft
75 mi 396000 ft
80 mi 422400 ft
85 mi 448800 ft
90 mi 475200 ft
95 mi 501600 ft
100 mi 528000 ft
120 mi 633600 ft
125 mi 660000 ft
130 mi 686400 ft
140 mi 739200 ft
150 mi 792000 ft
160 mi 844800 ft
175 mi 924000 ft
180 mi 950400 ft
200 mi 1056000 ft
225 mi 1188000 ft
250 mi 1320000 ft
275 mi 1452000 ft
300 mi 1584000 ft
350 mi 1848000 ft
400 mi 2112000 ft
450 mi 2376000 ft
500 mi 2640000 ft
600 mi 3168000 ft
700 mi 3696000 ft
750 mi 3960000 ft
800 mi 4224000 ft
900 mi 4752000 ft
1000 mi 5280000 ft
1200 mi 6336000 ft
1250 mi 6600000 ft
1500 mi 7920000 ft
1750 mi 9240000 ft
2000 mi 10560000 ft
2500 mi 13200000 ft
3000 mi 15840000 ft
4000 mi 21120000 ft
4500 mi 23760000 ft
5000 mi 26400000 ft
6000 mi 31680000 ft
7000 mi 36960000 ft
7500 mi 39600000 ft
8000 mi 42240000 ft
9000 mi 47520000 ft
10000 mi 52800000 ft
15000 mi 79200000 ft
20000 mi 105600000 ft
25000 mi 132000000 ft
50000 mi 264000000 ft
75000 mi 396000000 ft
100000 mi 528000000 ft

Values based on NIST SP 811 conversion factors

Why Convert Miles to Feet?

Converting between miles (mi) and feet (ft) is one of the most common length conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert mi to ft saves time and prevents errors.

Length conversions between mi and ft are fundamental in construction, manufacturing, and international trade. Architects rely on precise conversions when adapting building plans between metric and imperial standards — a 1% error on a 30-meter wall translates to 30 cm of misalignment. Travelers frequently convert between kilometers and miles for road trips, while online shoppers need length conversions to verify clothing sizes, furniture dimensions, and screen diagonals across international retailers. In athletics, track distances (100m, 1500m, marathon) must be precisely converted for record comparisons across different measurement traditions.

How to Convert Miles to Feet

To convert miles to feet, use the following formula:

ft = mi × 5280

Example: 1 mi = 5280 ft

For example, 5 mi = 26400 ft, 10 mi = 52800 ft, and 100 mi = 528000 ft. For larger values, 1000 mi = 5280000 ft. Conversely, 1 ft = 0.0001893939394 mi. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Mistakes to Avoid

  • Confusing similar units: confusing nautical miles with regular miles, or yards with meters.
  • Decimal errors: moving the decimal point the wrong way (e.g., 100 cm = 1 m, not 10 m).
  • Approximation: assuming an inch is exactly 2.5 cm (it's 2.54 cm).

Pro Tips

  • Use 'approx' for mental math: 1 km is roughly 0.6 miles (or 2/3 for quick estimates).
  • Visualize: A meter is about a guitar length; an inch is a thumb width.
  • Ruler check: Most rulers show cm and inches together—great for quick checks.

What is a Mile?

The mile (mi) is a unit of length in the Imperial and US customary systems. The international mile is exactly defined as 1,609.344 meters. Historically, it originated from the Roman mile (1,000 paces).

Miles are the primary unit for expressing long distances and speed limits in the United States and the United Kingdom. They are also used in maritime and aviation contexts (nautical miles).

What is a Foot?

The foot (ft) is a unit of length in the Imperial and US customary systems. It is historically based on the human foot size. Since the International Yard and Pound Agreement of 1959, one foot has been exactly defined as 0.3048 meters.

Feet are primarily used in the United States, United Kingdom, and Canada. Common applications include measuring height, building dimensions, real estate, and aviation altitude.

Frequently Asked Questions

How many feet are in 1 mile?

1 mi equals 5280 ft. This is an exact conversion factor defined by NIST.

How do I convert miles to feet?

Multiply the value in mi by the conversion factor. For example, 10 mi = 52800 ft. Use our calculator above for instant results.

Is the miles to feet conversion exact?

Yes, this conversion is mathematically exact based on the international definition of these units (NIST SP 811).

Can I convert miles to feet offline?

Yes! OmniConvert runs entirely in your browser — no internet connection needed after the page loads. Your data never leaves your device, ensuring complete privacy.

What is the difference between miles and feet?

Miles (mi) and Feet (ft) are both units of length but belong to different measurement systems. 1 mi = 5280 ft. Use the converter above to switch between them instantly.

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