What Is a Meter (m)?
The meter (m) is the base unit of length in the International System of Units (SI). Since 1983, it has been defined as the distance light travels in a vacuum in exactly 1/299,792,458 of a second.
This definition ties the meter to a fundamental constant of nature, ensuring universal reproducibility independent of any physical artifact.
What Is a Foot (ft)?
The foot (ft) is a unit of length in the imperial and United States customary systems. Since the International Yard and Pound Agreement of 1959, one foot is defined as exactly 0.3048 meters.
It remains the primary unit of length in the US and is used in specific contexts globally, such as aviation altitude measurements.
How Many Feet Are in a Meter?
One meter equals exactly 3.2808398950131... feet. For practical calculations, this is rounded to 3.28084 feet.
A common misconception is that one meter equals exactly three feet. This is incorrect. A meter is approximately 10% longer than three feet, as three feet equal only 0.9144 meters.
Meters to Feet Conversion Formula
The relationship between meters and feet is defined by the 1959 international agreement. Dividing 1 by 0.3048 yields the conversion factor.
Two Equivalent Formulas
Both formulas below produce identical results. You can use whichever is more convenient for your calculation:
Formula B is technically more exact because it uses the defining constant directly, avoiding any rounding of the conversion factor.
The Exact Mathematical Relationship
Since 1959, the relationship is exact by definition:
- 1 foot = 0.3048 meters (exact)
- 1 meter = 1/0.3048 feet = 1250/381 feet (exact fraction)
- Decimal form: 3.280839895... (non-terminating)
How Do I Convert Meters to Feet Manually?
You can convert any meter value to feet using one of three methods.
Method 1: Multiply by 3.28084
Example: Converting 5 meters to feet
- Take your meter value: 5 m
- Multiply by 3.28084: 5 × 3.28084
- Result: 16.4042 feet
Context: This is the most straightforward approach for quick mental or calculator-based conversions.
Method 2: Divide by 0.3048
Example: Converting 5 meters to feet
- Take your meter value: 5 m
- Divide by 0.3048: 5 ÷ 0.3048
- Result: 16.4042 feet
Context: This method uses the defining constant directly and is the most precise approach for engineering calculations.
Method 3: Use the Converter Above
For instant results without manual calculation, use the converter at the top of this page. Enter your value in the "From" field, and the result appears immediately in the "To" field.
The converter displays the exact formula being used and shows the step-by-step calculation below the input fields. You can also change the units using the dropdown menus, and the formula will update automatically.
How Do I Convert Meters to Feet AND Inches?
While decimal feet are useful for many applications, some contexts require the more familiar feet-and-inches format.
Example: Converting 1.75 meters to feet and inches
- Convert to decimal feet: 1.75 m × 3.28084 = 5.74047 feet.
- Extract whole feet: The integer part is 5 feet.
- Convert remainder to inches: Multiply the decimal part by 12. (0.74047 × 12 = 8.88 inches).
Result: 1.75 meters = 5 feet 8.88 inches. The converter above displays this breakdown automatically whenever the target unit is set to feet.
Mixed Unit Conversions
Many real-world conversions involve mixed units — combining feet with inches, or working with decimal meters. The process is straightforward once you understand the underlying relationships.
Converting Feet and Inches to Meters
To convert a height given in feet and inches to meters, convert each part separately and add the results.
Example: Converting 5 feet 7 inches to meters
- Convert feet to meters: 5 × 0.3048 = 1.524 m
- Convert inches to meters: 7 × 0.0254 = 0.1778 m
- Add the results: 1.524 + 0.1778 = 1.7018 m
Rounded: 1.70 meters. This is a common adult height conversion encountered in medical and clothing contexts.
The general formula for converting feet and inches to meters:
Converting Meters to Feet and Inches
The reverse process requires extracting the whole feet and converting the decimal remainder to inches.
Example: Converting 1.82 meters to feet and inches
- Convert to decimal feet: 1.82 × 3.28084 = 5.97113 feet
- Extract whole feet: 5 feet
- Convert remainder to inches: 0.97113 × 12 = 11.65356 inches
- Round appropriately: 5 feet 11.65 inches
Rounding consideration: For medical or clothing contexts, heights are often rounded to the nearest quarter inch, giving 5 ft 11¾ in. For engineering or scientific work, retain full precision.
Meters to Feet Conversion Table
For quick reference, the following table provides common meter-to-feet conversions.
| Meters (m) | Feet (ft) | Feet + Inches |
|---|---|---|
| 1 m | 3.28084 ft | 3 ft 3.37 in |
| 2 m | 6.56168 ft | 6 ft 6.74 in |
| 3 m | 9.84252 ft | 9 ft 10.11 in |
| 4 m | 13.1234 ft | 13 ft 1.48 in |
| 5 m | 16.4042 ft | 16 ft 4.85 in |
| 6 m | 19.6850 ft | 19 ft 8.22 in |
| 7 m | 22.9659 ft | 22 ft 11.59 in |
| 8 m | 26.2467 ft | 26 ft 2.96 in |
| 9 m | 29.5276 ft | 29 ft 6.33 in |
| 10 m | 32.8084 ft | 32 ft 9.70 in |
| 15 m | 49.2126 ft | 49 ft 2.55 in |
| 20 m | 65.6168 ft | 65 ft 7.40 in |
| 25 m | 82.0210 ft | 82 ft 0.25 in |
| 30 m | 98.4252 ft | 98 ft 5.10 in |
| 40 m | 131.234 ft | 131 ft 2.80 in |
| 50 m | 164.042 ft | 164 ft 0.50 in |
| 60 m | 196.850 ft | 196 ft 10.20 in |
| 70 m | 229.659 ft | 229 ft 7.90 in |
| 80 m | 262.467 ft | 262 ft 5.60 in |
| 90 m | 295.276 ft | 295 ft 3.30 in |
| 100 m | 328.084 ft | 328 ft 1.00 in |
| 150 m | 492.126 ft | 492 ft 1.50 in |
| 200 m | 656.168 ft | 656 ft 2.00 in |
| 300 m | 984.252 ft | 984 ft 3.00 in |
| 400 m | 1,312.34 ft | 1,312 ft 4.00 in |
| 500 m | 1,640.42 ft | 1,640 ft 5.00 in |
| 1,000 m | 3,280.84 ft | 3,280 ft 10.00 in |
Height Conversion Chart
Human height is one of the most common conversions between meters and feet. The following chart provides a quick reference for typical adult heights.
| Meters (m) | Feet (ft) | Feet + Inches |
|---|---|---|
| 1.50 m | 4.92 ft | 4 ft 11.06 in |
| 1.55 m | 5.09 ft | 5 ft 1.02 in |
| 1.60 m | 5.25 ft | 5 ft 3.00 in |
| 1.65 m | 5.41 ft | 5 ft 4.96 in |
| 1.70 m | 5.58 ft | 5 ft 6.93 in |
| 1.75 m | 5.74 ft | 5 ft 8.88 in |
| 1.80 m | 5.91 ft | 5 ft 10.87 in |
| 1.85 m | 6.07 ft | 6 ft 0.85 in |
| 1.90 m | 6.23 ft | 6 ft 2.83 in |
| 1.95 m | 6.40 ft | 6 ft 4.80 in |
| 2.00 m | 6.56 ft | 6 ft 6.74 in |
| 2.05 m | 6.73 ft | 6 ft 8.70 in |
| 2.10 m | 6.89 ft | 6 ft 10.68 in |
| 2.15 m | 7.05 ft | 7 ft 0.65 in |
| 2.20 m | 7.22 ft | 7 ft 2.62 in |
When Do I Need to Convert Meters to Feet?
Sports & Athletics. International sporting events use metric measurements almost exclusively. Track and field events are measured in meters, such as the 100m sprint or the 400m lap. Olympic swimming pools are 50 meters long. For audiences in countries that use imperial units, converting these distances to feet provides a more intuitive sense of scale.
Example: The 100m sprint in feet
- Distance: 100 meters
- Multiply by 3.28084: 100 × 3.28084
- Result: 328.084 feet
Context: The world record for the 100m sprint is 9.58 seconds. Converting the distance helps audiences in imperial-using countries visualize that the world's fastest human covers 328 feet in under 10 seconds.
Travel & Geography. Most countries report mountain elevations, hiking trail distances, and road signs in meters or kilometers. Mount Everest, for example, stands at 8,848.86 meters above sea level. Aviation presents a unique case: while most of the world uses feet for flight altitude, a few countries including China and North Korea use meters.
Example: Mount Everest's elevation
- Elevation: 8,848.86 meters
- Multiply by 3.28084: 8,848.86 × 3.28084
- Result: 29,031.7 feet
Context: This is the officially recognized height of Mount Everest, jointly announced by Nepal and China in 2020. The conversion to feet helps climbers and readers from the US and UK contextualize the achievement.
Science & Engineering. The International System of Units (SI) mandates meters as the standard unit of length in all scientific publications and engineering drawings. Professionals working with international collaborators frequently need to convert between meters and feet to ensure compatibility with local building codes and manufacturing tolerances.
Example: Semiconductor wafer diameter
- Diameter: 300 mm = 0.3 meters
- Multiply by 3.28084: 0.3 × 3.28084
- Result: 0.984252 feet (or 11.81 inches)
Context: The 300mm wafer is the semiconductor industry standard. Engineers working with US-based equipment specifications need this conversion to verify compatibility with legacy tooling rated in inches.
Shopping & E-commerce. International retailers often list product dimensions in meters or centimeters. Furniture, fabric rolls, and electronic equipment may all use metric measurements. Online shoppers purchasing from overseas vendors need to understand these dimensions in feet and inches to ensure products fit their intended spaces.
Example: Sofa dimensions from an international retailer
- Listed length: 2.2 meters
- Multiply by 3.28084: 2.2 × 3.28084
- Result: 7.21785 feet
- Convert to feet + inches: 7 feet + (0.21785 × 12) = 7 feet 2.61 inches
Context: When ordering furniture from European or Asian retailers, dimensions are listed in meters. Converting to feet and inches ensures the piece fits your space and matches your existing furniture scale.
The International Foot vs. US Survey Foot
While the standard foot conversion works for virtually all applications, specialized fields require awareness of historical measurement variations.
Since 1959, the international foot has been defined as exactly 0.3048 meters. This is the standard used worldwide today.
However, the United States previously maintained a separate definition called the US survey foot, which measured approximately 0.3048006096 meters. This was slightly longer than the international foot by about 2 parts per million.
This tiny difference was negligible for everyday use but significant in geodetic surveying, where cumulative errors over vast distances could amount to several centimeters. The US survey foot was used in American geodetic surveys until December 31, 2022. Since January 1, 2023, the National Institute of Standards and Technology (NIST) requires all US federal surveying operations to use the international foot exclusively.
History of Meters
The meter has undergone several redefinitions since its creation during the French Revolution, evolving from an Earth-based measurement to the most precise length standard in human history.
Origin and Evolution of Meters
In the 1790s, the French Academy of Sciences was tasked with creating a universal system of measurement. They defined the meter as one ten-millionth of the distance from the equator to the North Pole, measured along the meridian passing through Paris. The first physical platinum meter bar was created in 1799.
In 1889, the International Prototype Meter—a bar made of platinum-iridium alloy—was adopted as the global standard. In 1960, the definition shifted to atomic physics: the meter was redefined as 1,650,763.73 wavelengths of the orange-red emission line of krypton-86.
Finally, in 1983, the current definition was adopted, tying the meter to the speed of light in a vacuum. This makes it the most precise and reproducible length standard ever created.
Usage (m)
Today, the meter is the primary unit of length in over 195 countries. It is the foundation of the International System of Units (SI). It is used in virtually every field of science, engineering, construction, and daily life across the metric world.
History of Feet
The foot has an even longer history, predating the meter by thousands of years.
Origin and Evolution of Feet
Ancient civilizations including the Egyptians, Greeks, and Romans all used foot-based measurements. The Roman "pes" measured approximately 29.6 centimeters (11.65 inches).
In medieval England, the length of a foot varied by region and even by trade, creating widespread inconsistency. In 1305, King Edward I standardized the "English foot." The UK Weights and Measures Act of 1824 further refined the definition within the imperial system.
The most significant modern milestone came in 1959, when the International Yard and Pound Agreement unified the foot across all English-speaking countries at exactly 0.3048 meters. This eliminated small discrepancies that had existed between American, British, Canadian, Australian, and South African definitions.
Usage (ft)
The foot remains the primary unit of everyday length measurement in the United States. In the United Kingdom, feet are still used for road distances, human height, and some construction contexts, though the country has largely transitioned to metric for official purposes.
Globally, feet are the standard unit for aircraft altitude in aviation, used by nearly all countries regardless of their domestic measurement system.
Frequently Asked Questions
Is 1 meter exactly 3 feet?
No. One meter equals 3.28084 feet, which is approximately 10% longer than 3 feet. Three feet equal only 0.9144 meters. This is a common misconception that can lead to significant errors in construction and engineering.
What is 5 meters in feet?
Five meters equals 16.4042 feet, or 16 feet 4.85 inches. To calculate this manually, multiply 5 by 3.28084. This is a common conversion for room dimensions and vehicle lengths.
What countries use meters vs. feet?
Over 195 countries use the meter as their primary unit of length. The foot is used primarily in the United States for everyday measurements, with limited use in the United Kingdom and Canada. In global aviation, feet are the standard unit for altitude in nearly all countries.
How tall is 1.8 meters in feet?
1.8 meters equals 5.90551 feet, or 5 feet 10.87 inches. This height is slightly above the global average for adult males and is a commonly encountered measurement in medical records and sports.
Why is the conversion factor not a clean number?
The conversion factor is not a clean number because the meter and the foot were defined independently. The meter was originally based on the dimensions of the Earth, while the foot was based on human anatomy. Because these two origins have no mathematical relationship, the resulting conversion factor is a non-terminating decimal.
What is the difference between a meter and a yard?
One meter equals 1.09361 yards, making the meter approximately 9% longer than a yard. One yard equals exactly 0.9144 meters (or 3 feet). The yard is primarily used in the United States and the United Kingdom, while the meter is the global standard.
How precise do I need to be when converting?
The required precision depends on your application. For everyday use, rounding to 3.281 (three decimal places) is sufficient. For engineering and construction, use 3.28084 (five decimal places). For scientific work, use the full precision of dividing by 0.3048.
References
For additional information on measurement standards and conversion factors, consult the following authoritative sources.
- NIST - National Institute of Standards and Technology: The US authority on measurement standards, including the official retirement of the US survey foot and guidance on metric conversions.
- BIPM - International Bureau of Weights and Measures: The global authority maintaining the official definitions of all SI base units, including the meter.
- The International System of Units (SI Brochure): The definitive reference publication for the SI system, published by the BIPM, containing all official unit definitions and conversion factors.