Unit Converter

300+ conversion pairs across 7 categories

📏 Length

km → m km → cm km → mm km → mi km → yd km → ft km → in km → nmi m → km m → cm

⚖️ Weight

kg → g kg → mg kg → lb kg → oz kg → t kg → st g → kg g → mg g → lb g → oz

🌡️ Temperature

°C → °F °C → K °F → °C °F → K K → °C K → °F

🚗 Speed

km/h → mph km/h → m/s km/h → kn km/h → ft/s mph → km/h mph → m/s mph → kn mph → ft/s m/s → km/h m/s → mph

📐 Area

m² → km² m² → ha m² → ac m² → ft² m² → in² m² → mi² m² → 평 km² → m² km² → ha km² → ac

🔬 Volume

L → mL L → gal L → qt L → pt L → cup L → fl oz L → tbsp L → tsp L → m³ mL → L

💾 Digital Storage

B → KB B → MB B → GB B → TB KB → B KB → MB KB → GB KB → TB MB → B MB → KB

About the Unit Converter

This unit converter instantly translates between different units of length, weight, temperature, speed, area, volume, and digital storage. Alongside metric (SI) and imperial units, it also covers Korean units such as pyeong and hebe, with over 300 conversion pairs in total. Pick a conversion above, enter a value, and the result appears instantly.

Most-used conversions by category

📏 Length · 📐 Area

The most frequently searched units. For real estate, the square meter (m²) to pyeong conversion matters most: 1 pyeong = 3.3058 m² (multiply m² by roughly 0.3 for a quick estimate).

1 pyeong = 3.3058 m² · 1 m² = 0.3025 pyeong · 1 km = 1,000 m

⚖️ Weight · 🌡️ Temperature

Weight starts from 1 kg = 1,000 g = 2.2046 lb; pounds and ounces come up often in cooking and shopping. For temperature, Celsius to Fahrenheit is the most common, using °F = °C × 9/5 + 32.

🚗 Speed · 🔬 Volume · 💾 Digital

Speed converts km/h ↔ mph (1 mph ≈ 1.609 km/h), volume handles L ↔ gal and mL, and digital storage moves between B, KB, MB, GB, and TB in 1,024-based steps.

Frequently Asked Questions

How many square meters is 1 pyeong?

1 pyeong equals 3.3058 m². Conversely, 1 m² is about 0.3025 pyeong.

What is the formula to convert Celsius to Fahrenheit?

°F = °C × 9/5 + 32. For example, 25°C = 25 × 1.8 + 32 = 77°F. To reverse: °C = (°F − 32) × 5/9.

How many pounds is 1 kilogram?

1 kg is about 2.2046 pounds, and 1 pound is about 0.4536 kg.

Is digital storage based on 1,000 or 1,024?

Traditionally 1 KB = 1,024 bytes (powers of two). Storage makers sometimes use 1,000-based units, so labeled capacity and recognized capacity can differ.

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