Unit Converter

How to Use Select a measurement category (length, weight, temperature, volume, area, speed, etc.). Enter the value to convert. Select the input and output units. The converted result appears instantly. Multiple output units are shown simultaneously. Who Is This For Travelers converting between US customary and metric units, cooks converting recipe measurements (oz, cups to grams, ml), and online shoppers converting inches to centimeters for sizing. Key Features • Length, weight, temperature, volume, area, speed, pressure categories • Real-time conversion between common units • Formula display • Common conversion examples • Unit search Frequently Asked Questions Q: What is the formula for Fahrenheit to Celsius? A: °C = (°F - 32) × 5/9. Reverse: °F = °C × 9/5 + 32. Q: How many cm is 1 inch? A: 1 inch = 2.54 cm. A person who is 5 feet 7 inches tall is 170.18 cm. Q: How many km is 1 mile? A: 1 mile = 1.60934 km. 60 mph ≈ 96.6 km/h. Tips When buying clothes or shoes from US retailers, you'll frequently convert inches and US sizes. In cooking, 1 cup ≈ 240 ml and 1 tablespoon ≈ 15 ml. Keep this tool bookmarked for quick reference.