Metric and Imperial Conversion Guide
Metric and imperial units are often used side by side in travel, construction, recipes, shipping, fitness, and education. A reliable converter helps avoid mental math and rounding mistakes.
Common conversions
- 1 inch = 2.54 centimeters.
- 1 foot = 0.3048 meters.
- 1 mile = 1.609344 kilometers.
- 1 pound = 0.45359237 kilograms.
- Fahrenheit to Celsius: (F - 32) * 5 / 9.
Best practice
Convert once, keep units consistent, and avoid rounding until the final answer. For construction, engineering, or safety-sensitive tasks, confirm local standards.