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Frequently Asked Questions
What's the difference between US and UK gallon measurements?
A US gallon equals 3.78541 liters, while a UK (Imperial) gallon equals 4.54609 liters. The UK gallon is about 20% larger. This difference stems from historical measurement standards and affects fuel economy comparisons and recipe conversions.
How do you convert cooking measurements between metric and imperial?
Common cooking conversions: 1 cup = 237 mL, 1 tablespoon = 15 mL, 1 teaspoon = 5 mL, 1 fluid ounce = 30 mL. For accuracy in baking, use weight measurements when possible, as volume can vary with ingredient density and packing.
Why do liquid and dry measuring cups differ?
Liquid measuring cups are designed for precise volume measurement with pour spouts and clear markings. Dry measuring cups are designed to be filled and leveled off. While both measure volume, the measurement technique affects accuracy, especially in baking.
How do I calculate fuel consumption and efficiency?
Fuel efficiency is measured in miles per gallon (MPG) in the US or liters per 100 kilometers (L/100km) internationally. To convert: MPG to L/100km = 235.2 ÷ MPG. Higher MPG or lower L/100km indicates better fuel efficiency.
What volume units are used for engine displacement?
Engine displacement is measured in liters (L) internationally or cubic inches (in³) in the US. Common conversions: 1 liter = 61.024 cubic inches. For example, a 5.0L engine equals approximately 305 cubic inches.
How do swimming pool volume calculations work?
Pool volume calculations use length × width × depth for rectangular pools. Results are typically given in gallons (US) or liters. A 20×40 ft pool with 6 ft average depth contains about 36,000 gallons or 136,000 liters of water.
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