Unit Converter - All Measurements
Convert between different units of measurement including length, weight, temperature, volume, area, and time. Supports both metric and imperial systems with high precision.
Length Converter
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Length
Weight
Temperature
Unit Converter FAQ
How accurate are the unit conversions?
Our conversions use internationally accepted conversion factors and are accurate to several decimal places. For scientific or engineering applications requiring extreme precision, we recommend using specialized tools.
Why are there different types of gallons and other units?
Many units have regional variations. For example, US gallons (3.785L) differ from UK/Imperial gallons (4.546L). We include both variants to ensure accurate conversions regardless of your location.
How do temperature conversions work?
Temperature conversions require different formulas than linear conversions. We convert through Celsius as an intermediate step: Fahrenheit uses (°F-32)×5/9, Kelvin uses °C+273.15, and Rankine uses (°R-491.67)×5/9.
Can I convert between different types of measurements?
No, you can only convert within the same measurement category (length to length, weight to weight, etc.). Converting between different types (like length to weight) requires additional information like density or material properties.
What's the difference between mass and weight?
Mass is the amount of matter in an object (measured in kg), while weight is the force gravity exerts on that mass (measured in Newtons). In everyday use, we often use 'weight' units like pounds for mass measurements.
Are metric or imperial units more accurate?
Both systems can be equally accurate. Metric units are based on powers of 10 making calculations easier, while imperial units evolved from practical measurements. The accuracy depends on the precision of your measurements, not the unit system.
How do I convert cooking measurements accurately?
Cooking conversions can be tricky because ingredients have different densities. Our volume conversions work for liquids, but for dry ingredients like flour, weight-based measurements (grams/ounces) are more accurate than volume (cups/tablespoons).
What's the difference between US and UK measurement units?
The US and UK use different definitions for many units. US fluid ounces, pints, and gallons are smaller than their UK counterparts. The US uses the 'short ton' (2000 lbs) while the UK uses the 'long ton' (2240 lbs). Always specify which system you're using.