Meters to Feet Calculator — Exact Factor + Reference Table

The exact factor is 1 meter = 3.280839895013123… feet, a non-terminating decimal derived algebraically from the internationally agreed definition: 1 foot = 0.3048 meters exactly. Dividing 1 ÷ 0.3048 yields the repeating sequence. This definition was codified by the 1959 International Yard and Pound Agreement signed by the U.S., UK, Canada, Australia, New Zealand, and South Africa, and is published by NIST in its official unit-conversion reference (NIST SP 811). There is no measurement uncertainty in this factor — it is exact by legal definition, not by physical measurement.

The international foot = 0.3048 m exactly. The U.S. survey foot = 1200/3937 m ≈ 0.30480061 m — a discrepancy of about 0.6 mm per foot, or roughly 3.2 mm per 5 meters. For everyday use this is negligible. However, NIST formally deprecated the U.S. survey foot on January 1, 2023 (announced in NIST SP 1136, 2020), so the international foot is now the sole U.S. legal standard. Geospatial datasets (GIS, land surveys) that previously used the survey foot may carry small legacy discrepancies — relevant if you're reconciling old cadastral maps with modern GPS coordinates.

Two-step process: (1) Multiply meters by 3.280839895 to get decimal feet. (2) Separate the integer part (whole feet) from the decimal part, then multiply the decimal by 12 to get inches. Example: 1.82 m × 3.280839895 = 5.9711 ft → 5 feet whole + 0.9711 × 12 = 11.65 inches → 5 feet 11.65 inches (5′11⅝″). For height on official U.S. documents, round inches to one decimal. For construction, express inches as the nearest 1/16" fraction per standard carpentry practice.

A meter is longer than a yard but shorter than a meter is often assumed: 1 yard = 0.9144 m, so 1 meter ≈ 1.0936 yards — about 9.36% longer than a yard. Relative to a foot, 1 meter = 3.2808 feet, meaning a meter is about 2.28 times as long as a foot and about 9.36% longer than a yard. This distinction matters in casual conversion: saying 'a meter is about a yard' introduces a ~9% error. Saying 'three feet' for a meter introduces a ~9.36% error in the opposite direction from the yard comparison.

Using 3.3 instead of 3.2808 overstates the result by 0.584%. Across short distances this is trivial: 2 m → 6.6 ft (vs. 6.562 ft actual) = 4.6 cm error. But at scale: a 50 m swimming pool computed as 165 ft would actually be 164.04 ft — a difference of nearly 1 foot. In construction, a 1-foot error in a 50 m span could disqualify a pool from FINA competition standards. For engineering, architecture, aviation, or scientific work, always use at minimum 3.2808 (4-decimal accuracy). Reserve 3.3 for casual mental math only.

The Metric Conversion Act of 1975 (Public Law 94-168) declared the metric system the 'preferred' system for U.S. trade and commerce but made conversion voluntary. The Omnibus Trade and Competitiveness Act of 1988 designated the metric system as the preferred system for federal agencies, but exempted consumer products and highway signs. The result is a dual-system economy: science, medicine, military, and international trade use metric; construction, real estate, aviation altimetry, and everyday consumer life largely retain U.S. customary units. No subsequent legislation has mandated full conversion, and political resistance — particularly from the construction and agriculture sectors — has prevented it.

6 feet = 6 × 0.3048 = 1.8288 meters. In U.S. culture, 6 feet (approximately 183 cm) is colloquially considered a threshold for being 'tall' for men. For reference, the CDC National Health Statistics Reports (2021 data) put the average U.S. adult male height at 5 feet 9.1 inches (175.4 cm) and average adult female at 5 feet 3.7 inches (161.7 cm). The 6-foot figure also became culturally prominent during COVID-19 as the CDC's initial recommended social-distancing guideline, making the feet-to-meters conversion (6 ft = 1.83 m) suddenly relevant globally.

The International Civil Aviation Organization (ICAO) standard for altimetry is feet in most of the world — including all U.S., European, and most international airspace — with altitude expressed in feet above mean sea level (MSL) and flight levels (FL) in hundreds of feet. China and Russia historically used meters for altimetry in some domestic airspace, creating transition challenges for international flights. The FAA requires all aircraft operating in U.S. airspace to have altimeters calibrated in feet. Conversion errors in aviation have contributed to incidents: the 1983 Gimli Glider fuel exhaustion was partly caused by a kg/lb confusion, illustrating how unit errors in aviation carry life-safety consequences.

Cross-check using the exact factor: multiply meters by 3.280839895 and compare to the feet figure. Example: Denali (Mount McKinley) is listed as 6,190 m and 20,310 ft. Check: 6,190 × 3.280839895 = 20,308.4 ft. The 20,310 ft figure involves rounding to the nearest 10 feet — consistent and valid. If sources differ by more than rounding, they likely use different survey datums (orthometric vs. ellipsoidal height) or different survey epochs, not a conversion error. USGS and National Geographic use the EGM2008 geoid model for official elevations.

Yes — meters and feet measure linear distance in any direction, including depth. The conversion factor is identical: multiply meters by 3.280839895 for feet, or feet by 0.3048 for meters. Relevant applications include: scuba depth limits (PADI Open Water: 18 m = 59.1 ft; Advanced: 30 m = 98.4 ft; Technical: 40 m = 131.2 ft), oil well depths, subsea pipeline specifications, and bathymetric charts. Note that pressure calculations in diving require depth in the same unit as the pressure formula's constant — always verify unit consistency before calculating atmospheres or bars.

World Athletics (formerly IAAF) records are set in metric distances; U.S. scholastic and some NCAA events still run in yards or miles. Key conversions: 100 m = 328.08 ft; 400 m = 1,312.3 ft = 437.4 yd; 1 mile = 1,609.34 m; 5,000 m = 16,404.2 ft = 3.1069 miles; marathon (42,195 m) = 138,435 ft = 26.219 miles. These are not interchangeable for record purposes: a 100-yard dash record cannot be compared to a 100 m record (difference: 9.144 m = 30 ft). World Athletics maintains separate record categories for metric and non-metric distances. Broadcasters must specify the exact distance when citing times to avoid misleading comparisons.

Context determines necessary precision. Everyday/casual (height, furniture): 2 decimal places in feet (e.g., 5.74 ft) or nearest half-inch is sufficient. Construction/architecture: Use 4 decimal places in feet (e.g., 3.2808 ft/m) and express inches to nearest 1/16" per standard practice; errors beyond 1/8" can affect code compliance. Engineering/manufacturing: Use full NIST factor (3.280839895) and maintain significant figures consistent with your input measurement precision. Scientific/metrology: Use SI units (meters) natively whenever possible; convert only for reporting. Aviation: FAA and ICAO standards require altimeter accuracy to ±30 ft (±9.1 m) below FL290, which governs instrument calibration tolerances, not conversion math.