Convert km to feet
1 km = 3280.84 ft · 1 ft = 0.0003048 km · Exact by definition
1 km = 3280.84 ft
The same value in other units
- millimetre
- 1000000 mm
- centimetre
- 100000 cm
- metre
- 1000 m
- inch
- 39370.1 in
- yard
- 1093.61 yd
- mile
- 0.621371 mi
- nautical mile
- 0.539957 nmi
Settings
Digits kept in the answer. Automatic keeps six, which hides floating-point noise without losing anything real.
Convert a whole list
Paste one conversion per line, written the way you would say it: "5 km to mi". Handy for a column copied out of a spreadsheet.
Length
km to feet: conversion table
| kilometre | foot |
|---|---|
| 1 km | 3280.84 ft |
| 2 km | 6561.68 ft |
| 3 km | 9842.52 ft |
| 5 km | 16404.2 ft |
| 10 km | 32808.4 ft |
| 20 km | 65616.8 ft |
| 25 km | 82021 ft |
| 50 km | 164042 ft |
| 100 km | 328084 ft |
| 250 km | 820210 ft |
| 500 km | 1640420 ft |
| 1000 km | 3280840 ft |
| foot | kilometre |
|---|---|
| 1 ft | 0.0003048 km |
| 2 ft | 0.0006096 km |
| 3 ft | 0.0009144 km |
| 5 ft | 0.001524 km |
| 10 ft | 0.003048 km |
| 20 ft | 0.006096 km |
| 25 ft | 0.00762 km |
| 50 ft | 0.01524 km |
| 100 ft | 0.03048 km |
| 250 ft | 0.0762 km |
| 500 ft | 0.1524 km |
| 1000 ft | 0.3048 km |
How the conversion works
ft = km × 3280.8399
Both units are defined exactly, so the precision of the km to feet result depends only on the number of decimal places you choose.
METHOD AND SOURCES
Where the conversion factors come from
Results are calculated from the unit definitions stored in the converter, not copied from a lookup table. For exact units, every value in the table follows from the same factor shown in the formula above.
- BIPM — SI Brochure
The official definitions of the International System of Units (SI).
- NIST SP 811 — Conversion factors
Conversion-factor tables for SI and non-SI units.
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