Understanding Unit Conversions: A Complete Guide

Unit conversion is a fundamental skill used in science, cooking, travel, and everyday life. This guide covers the most common conversions you'll need.

Length Conversions

1 meter = 3.28084 feet

1 kilometer = 0.621371 miles

1 inch = 2.54 centimeters

Weight Conversions

1 kilogram = 2.20462 pounds

1 pound = 453.592 grams

1 ounce = 28.3495 grams

Temperature

°F to °C: (°F - 32) × 5/9

°C to °F: °C × 9/5 + 32

°C to K: °C + 273.15

Tips for Quick Mental Math

Kilometers to miles: multiply by 0.6

Pounds to kilograms: divide by 2.2

Celsius to Fahrenheit: double and add 30 (approximate)

For precise conversions, use our free Unit Converter tool — it supports length, weight, temperature, speed, area, and volume.