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5 feet = exactly 1.524 meters (5 × 0.3048 m/ft). A person who is 5 feet tall is 152.4 cm, near the global average female height. The exact conversion (0.3048 m = 1 foot) has been internationally standardized since 1959. Five feet corresponds to EU shoe size 37 reference height bracket and is well within healthy adult female height range.

1 meter = 3.28084 feet, or exactly 3 feet and 3.37 inches. Quick rule: 1 meter ≈ 3 feet 3 inches. One meter is close to a standard door width (US standard: 32–36 inches, or 0.81–0.91 m). An adult stride length is approximately 0.75–0.85 meters. Olympic pools are 50 meters long = 164 feet 1 inch.

6 feet = 1.8288 meters (182.88 cm), commonly expressed as approximately 1.83 m or 183 cm. This is near the average male height in the Netherlands (~182 cm) and the US (~176 cm for men). Six feet tall is considered tall in most countries. In the NBA, 6 feet (183 cm) is actually below average for professional players, most of whom are 6'5" to 7'+.

100 meters = 328.084 feet (100 × 3.28084). The Olympic 100m sprint — covering about 328 feet — takes elite sprinters under 10 seconds. For reference: a 10-story building is approximately 100 feet tall (about 30 m); the Statue of Liberty from base to torch is 305 feet (93 m); the Golden Gate Bridge roadway is 4,200 feet (1,280 m).

5 feet 10 inches = 70 inches = 1.778 meters (70 × 0.0254). This is very close to the average male height in many countries.