Measurement conversions are something we encounter almost daily �?whether cooking a recipe from a different country, planning a DIY project, or checking weather forecasts. Here's your quick reference guide to converting measurements like a pro.
Length Conversions
The most common length conversions you'll need: 1 inch = 2.54 centimeters, 1 foot = 30.48 centimeters, 1 yard = 0.914 meters, and 1 mile = 1.609 kilometers. For quick mental math, remember that 1 meter is approximately 3.3 feet, and 1 kilometer is about 0.62 miles.
Weight Conversions
Key weight conversions: 1 ounce = 28.35 grams, 1 pound = 453.6 grams (or 0.454 kg), 1 kilogram = 2.205 pounds. A helpful trick: to convert kilograms to pounds, multiply by 2.2. To convert pounds to kilograms, divide by 2.2.
Volume Conversions
Volume conversions are especially important in cooking: 1 cup = 237 milliliters, 1 pint = 473 milliliters, 1 quart = 946 milliliters, 1 gallon = 3.785 liters. For European recipes, remember that 1 liter is slightly more than 4 cups (4.2 cups to be exact).
Temperature Conversions
Temperature conversion formulas: Celsius to Fahrenheit: multiply by 9/5 and add 32. Fahrenheit to Celsius: subtract 32 and multiply by 5/9. Key reference points: 0°C = 32°F (freezing), 20°C = 68°F (room temperature), 37°C = 98.6°F (body temperature), 100°C = 212°F (boiling). Use our Temperature Converter for instant results.
Quick Conversion Tricks
- To estimate miles to kilometers: multiply by 1.6 (50 miles �?80 km)
- To estimate pounds to kilograms: divide by 2.2 (150 lbs �?68 kg)
- To estimate Celsius to Fahrenheit: double and add 30 (20°C �?70°F, actually 68°F)
- To estimate liters to gallons: divide by 4 (8 liters �?2 gallons)
For precise conversions, use our Unit Converter which handles length, weight, volume, and area conversions all in one place.
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