Kilometers to Feet Calculator
Convert kilometers to feet instantly.
Enter your values and click Calculate
Whether you're looking at trail distances, altitude readings, or comparing metric and imperial distances, this calculator converts kilometers to feet using the precise factor of 3280.84 feet per kilometer.
How It Works
The calculator multiplies your kilometer value by 3,280.84, derived from the exact definition: 1 foot = 0.3048 meters exactly, so 1 meter = 3.28084 feet, and 1 kilometer = 1,000 meters, giving 1 km = 3,280.84 feet. Unlike within-metric conversions, this is not a round number because the foot is an independently defined imperial unit. Common uses include converting trail distances for US audiences, aviation contexts where altitude is reported in feet while horizontal distances may be in kilometers on aeronautical charts, and comparing foreign property or land areas. Key reference conversions: 1 km = 3,281 ft, 5 km = 16,404 ft, 10 km = 32,808 ft, 42.195 km (full marathon) = 138,435 ft.