Unit Converter
Convert From Kilograms per Hour to Pounds per Hour and Vice Versa
kg/h ↔ lb/h
Type in either kilograms per hour or pounds per hour — it’ll convert to the other automatically!
⚙️ What is Kilograms per Hour (kg/h)?
Kilograms per hour is a **metric unit of mass flow rate** — it measures how many **kilograms of material or fluid pass through a system in one hour**. It is used in **aviation**, **chemical processing**, **fuel injection systems**, and **industrial plants**.
✈️ What is Pounds per Hour (lb/h)?
Pounds per hour is the **imperial/US customary unit of mass flow rate**, especially common in **U.S.-based aircraft performance specs**, **turbine engine outputs**, and **fuel burn rates**. 1 kg/h ≈ 2.20462 lb/h.
🧠 Quick Comparison
| Unit | Equivalent | Common Use |
|---|---|---|
| 1 kg/h | 2.20462 lb/h | Metric fuel flow, Europe, engineering |
| 1 lb/h | 0.453592 kg/h | U.S. aviation, legacy systems, engine specs |
🧮 How to Convert
kg/h to lb/h: lb/h = kg/h × 2.20462
lb/h to kg/h: kg/h = lb/h × 0.453592
Example:
500 kg/h × 2.20462 = 1102.31 lb/h
💡 Pro Tip
Aircraft fuel burn is often expressed in lb/h (especially in U.S. aviation). For international operations or engine comparisons, convert to kg/h for standardization — especially when working with **metric fuel density** (kg/L).
🎉 Did You Know?
Turbofan engines on commercial jets like the Boeing 777 can burn up to 6000–8000 lb/h per engine during cruise — that's over 2700–3600 kg/h!
🛩️ Real-World Flow Rate Examples
- 2.5 kg/h – Fuel flow of a small diesel generator
- 500 kg/h – Industrial furnace or chemical feed
- 2700 kg/h – Jet engine cruise fuel burn
- 10000 lb/h – Combined engine flow on regional aircraft
📊 kg/h to lb/h Conversion Chart
| kg/h | lb/h |
|---|---|
| 1 | 2.20 |
| 10 | 22.05 |
| 100 | 220.46 |
| 500 | 1102.31 |
| 1000 | 2204.62 |
| 5000 | 11023.10 |
📜 Timeline: Engineering Use of Flow Units
- Pre-20th century: Mass and flow measured in pounds per minute/hour (steam engines)
- 1950s–2000s: Aviation and turbine specs standardized on lb/h
- Today: Global shift to kg/h for consistency in international designs and fuel economics
🌐 When to Use kg/h vs lb/h
- ✈️ lb/h: U.S. aviation fuel burn, legacy engine manuals
- 🏭 kg/h: Engineering specs, global manufacturing, EU/Asia-based systems
- 📏 Quick Tip: Multiply kg/h × 2.2046 to convert to lb/h instantly
🎯 Interactive Converter
500 kg/h = 1102.31 lb/h