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Foot to Kilometer Converter

Enter the value that you want to convert foot (ft) to kilometer (km) or kilometer to foot.Also written as FT to KM conversion.

1 foot = 0.0003048 kilometer

Formula: kilometer = foot value × 0.0003048

FT to KM — foot to kilometer

ft
0.00305km

10 foot = 0.00305 kilometer

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Foot vs Kilometer

What is Foot?

Foot (ft) is a unit of length measurement. 1 foot is equal to 0.0003048 kilometer.

What is Kilometer?

Kilometer (km) is a unit of length measurement. 1 kilometer is equal to 3280.8398950 foot.

Length Conversions in Practice

Length conversions connect the metric system used by most of the world with the imperial system still dominant in the United States, UK construction, and aviation. Architects convert between meters and feet for international projects. Machinists work in thousandths of an inch while referencing metric specifications. Runners compare kilometer race distances to miles. Screen sizes, paper formats, and fabric measurements all require frequent conversion between systems.

foot to kilometer metric conversion table

0.01 ft=0.00000 km
0.1 ft=0.00003 km
1 ft=0.00030 km
2 ft=0.00061 km
3 ft=0.00091 km
4 ft=0.00122 km
5 ft=0.00152 km
6 ft=0.00183 km
7 ft=0.00213 km
8 ft=0.00244 km
9 ft=0.00274 km
10 ft=0.00305 km
11 ft=0.00335 km
12 ft=0.00366 km
13 ft=0.00396 km
14 ft=0.00427 km
15 ft=0.00457 km
16 ft=0.00488 km
17 ft=0.00518 km
18 ft=0.00549 km
19 ft=0.00579 km
20 ft=0.00610 km
30 ft=0.00914 km
40 ft=0.01219 km
50 ft=0.01524 km
60 ft=0.01829 km
70 ft=0.02134 km
80 ft=0.02438 km
90 ft=0.02743 km
100 ft=0.03048 km
200 ft=0.06096 km
300 ft=0.09144 km
400 ft=0.12192 km
500 ft=0.15240 km
600 ft=0.18288 km
700 ft=0.21336 km
800 ft=0.24384 km
900 ft=0.27432 km
1000 ft=0.30480 km

How to Convert FT to KM (Foot to Kilometer)?

We can convert foot to kilometer by using an example.

Example:

Convert 20 Foot to Kilometer?

We know 1 Foot = 0.0003048 kilometer; 1 Kilometer = 3280.8398950 foot.

20 foot = ___km

20 × 0.0003048 = 0.00610 km (we know 1 foot = 0.0003048 kilometer)

Answer:

20 foot = 0.00610 kilometer

How to Convert Feet to Kilometers (Step-by-Step)

Converting feet to kilometers is used in aviation (altitude), hiking (elevation gain), and international communication. Since 1 km equals 3,280.84 feet, divide feet by 3,280.84.

  1. Write down the measurement in feet.
  2. Divide the feet value by 3,280.84 (or multiply by 0.0003048).
  3. The result is the equivalent distance in kilometers.
💡 Tip: Quick approximation: divide feet by 3,300 for a fast estimate. For altitude: 1,000 feet ≈ 0.3 km, 10,000 feet ≈ 3 km, 30,000 feet ≈ 9 km.

Common Feet to Kilometers Conversions

Standard feet-to-km conversions for aviation altitude, hiking elevation, and mountain heights.

FootKilometer
1,000 feet0.305 km
3,281 feet1 km
5,280 feet1.609 km
10,000 feet3.048 km
14,440 feet4.401 km
29,032 feet8.849 km
35,000 feet10.668 km
100,000 feet30.48 km

Solved Examples: Feet to Kilometers

Question 1: An aircraft is cruising at 38,000 feet. What is this altitude in kilometers?

Solution:

km = feet × 0.0003048

= 38,000 × 0.0003048

= 11.582 km

Answer: 38,000 feet = 11.58 km altitude

Question 2: A hiking trail gains 4,500 feet of elevation. Express in km.

Solution:

km = 4,500 × 0.0003048

= 1.372 km

Answer: 4,500 feet elevation gain = 1.37 km vertical

Question 3: Mt. Kilimanjaro is 19,341 feet. What is this in kilometers?

Solution:

km = 19,341 × 0.0003048

= 5.895 km

Answer: 19,341 feet = 5.895 km (5,895 m)

Practice Questions

Try solving these on your own to test your understanding:

  1. Convert 20,000 feet to km. (Answer: 6.096 km)
  2. A mountain pass is 12,000 feet. How many km? (Answer: 3.658 km)
  3. Convert 5,000 feet to km. (Answer: 1.524 km)
  4. An aircraft descends from 35,000 to 3,000 feet. How many km of descent? (Answer: 9.754 km)
  5. Convert 8,848 feet to km. (Answer: 2.697 km)

Aviation: Feet to Kilometers for Altitude

International aviation uses feet for altitude in most countries, but some (Russia, China) use meters. Quick conversion landmarks: FL100 (10,000 ft) = 3.05 km, FL200 (20,000 ft) = 6.10 km, FL300 (30,000 ft) = 9.14 km, FL400 (40,000 ft) = 12.19 km. The tropopause (jet stream altitude) is roughly 36,000 ft = 11 km at mid-latitudes. Above FL410 (12.5 km), very few commercial aircraft operate.

Hiking: Elevation Gain in Feet and Kilometers

Trail apps show elevation in feet (US) or meters/km (metric countries). Major hikes by elevation gain: Appalachian Trail thru-hike total gain ≈ 515,000 ft (157 km vertical). Day hike benchmarks: easy < 1,000 ft (0.3 km), moderate 1,000-3,000 ft (0.3-0.9 km), strenuous 3,000-5,000 ft (0.9-1.5 km), extreme > 5,000 ft (> 1.5 km) gain.

Mountain Heights: Famous Peaks in Both Units

World peaks: Everest 29,032 ft (8.849 km), K2 28,251 ft (8.611 km), Denali 20,310 ft (6.190 km), Kilimanjaro 19,341 ft (5.895 km), Mont Blanc 15,774 ft (4.808 km), Mt. Fuji 12,388 ft (3.776 km). The "death zone" above 26,000 ft (7.925 km) is where supplemental oxygen is typically required.

Key Takeaways

  • Divide feet by 3,280.84 (or multiply by 0.0003048) to get km.
  • Quick reference: 1,000 ft ≈ 0.3 km, 10,000 ft ≈ 3 km.
  • Cruise altitude 35,000 ft = 10.67 km.
  • Mt. Everest: 29,032 ft = 8.849 km.
  • Death zone: above 26,000 ft = 7.9 km.
  • Some countries (Russia, China) use meters instead of feet for aviation.

Foot to Kilometer Conversion Formula

kilometer = foot × 0.0003048

1 foot = 0.0003048 kilometer

1 kilometer = 3280.8398950 foot

Reverse: foot = kilometer × 3280.8398950

Frequently Asked Questions

How many kilometer are in 1 foot?

There are 0.0003048 kilometer in 1 foot. To convert foot to kilometer, multiply the value by 0.0003048.

How do I convert foot to kilometer?

Multiply your foot value by 0.0003048 to get the equivalent in kilometer. For example, 5 foot = 5 × 0.0003048 = 0.00152 kilometer.

How do I convert kilometer to foot?

Multiply your kilometer value by 3280.8398950 to get the equivalent in foot. Alternatively, divide by 0.0003048.

What is 10 foot in kilometer?

10 foot is equal to 0.00305 kilometer.

What is 100 foot in kilometer?

100 foot is equal to 0.03048 kilometer.