Unit Conversion FAQ & Guide
Length Unit Conversion
How many feet in one meter?
1 meter = 3.28084 feet
Conversion formula: feet = meters × 3.28084
How many centimeters in one inch?
1 inch = 2.54 centimeters
Conversion formula: centimeters = inches × 2.54
How many miles in one kilometer?
1 kilometer = 0.621371 miles
Conversion formula: miles = kilometers × 0.621371
Weight/Mass Unit Conversion
How many pounds in one kilogram?
1 kilogram = 2.20462 pounds
Conversion formula: pounds = kilograms × 2.20462
How many ounces in one pound?
1 pound = 16 ounces
Conversion formula: ounces = pounds × 16
How many kilograms in one tonne?
1 metric tonne = 1000 kilograms
Metric Tonne is the international standard unit
Temperature Unit Conversion
How to convert Celsius to Fahrenheit?
Fahrenheit = Celsius × 9/5 + 32
Example: 20°C = 20 × 9/5 + 32 = 68°F
How to convert Fahrenheit to Celsius?
Celsius = (Fahrenheit - 32) × 5/9
Example: 68°F = (68 - 32) × 5/9 = 20°C
What's the relationship between Kelvin and Celsius?
Kelvin = Celsius + 273.15
Absolute zero is 0K, equivalent to -273.15°C
Area Unit Conversion
How many square feet in one square meter?
1 square meter = 10.7639 square feet
Conversion formula: square feet = square meters × 10.7639
How many square meters in one hectare?
1 hectare = 10,000 square meters
Hectare is a commonly used land area unit
How many square meters in one acre?
1 acre = 4,047 square meters
Acre is a commonly used land area unit in UK and US
Volume Unit Conversion
How many milliliters in one liter?
1 liter = 1,000 milliliters
Liter and milliliter are the most commonly used volume units
How many liters in one gallon?
1 US gallon = 3.78541 liters
1 Imperial gallon = 4.54609 liters
Note the difference between US gallon and Imperial gallon
How many liters in one cubic meter?
1 cubic meter = 1,000 liters
Cubic meter is the international standard volume unit
Data Storage Unit Conversion
How many bytes in 1KB?
1KB = 1,024 bytes (binary)
1KB = 1,000 bytes (decimal)
Computer systems typically use base 1024
How many MB in 1GB?
1GB = 1,024MB (binary)
1GB = 1,000MB (decimal)
Storage device manufacturers typically use base 1000
What's the relationship between bits and bytes?
1 byte = 8 bits
Bit is the smallest data unit, byte is the basic storage unit
Unit Conversion Usage Tips
- • Remember common conversion relationships, such as 1 inch = 2.54 cm, 1 pound ≈ 0.45 kg
- • Pay attention to addition/subtraction vs multiplication/division in temperature conversions
- • Distinguish between binary (1024) and decimal (1000) conversions for data storage units
- • For area and volume conversions, the conversion factor is the square or cube of the length conversion factor
- • Using online converters can avoid calculation errors and improve efficiency