Pounds → Jin

Why Convert Pounds to Jin?

Converting between pounds (lb) and jin (斤) is one of the most common mass conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert lb to 斤 saves time and prevents errors.

Mass conversions between lb and 斤 come up constantly in everyday life. International travelers need to convert luggage weight limits — airlines typically allow 23 kg (≈50.7 lb) for checked bags and 7-10 kg for carry-on. In fitness, gym equipment in the US uses pounds while most of the world uses kilograms. Cooking recipes from different countries require converting between grams, ounces, and pounds for accurate measurements.

How to Convert Pounds to Jin

To convert pounds to jin, use the following formula:

For example, 5 lb = 4.5359237 斤, 10 lb = 9.0718474 斤, and 100 lb = 90.718474 斤. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Use Cases

• One pound to jin: 1 lb = 0.90718474 斤
• 2.2 lb (approximately 1 kg / 2 jin): 2.2 lb = 1.995806428 斤
• 5 lb bag of imported flour: 5 lb = 4.5359237 斤

Common Mistakes to Avoid

• Confusing mass and weight: In everyday use, "weight" and "mass" are interchangeable, but in science they differ. This converter handles mass units.
• Pound ambiguity: The avoirdupois pound (lb, used for everyday weight) differs from the troy pound (used for precious metals). This converter uses avoirdupois.
• Rounding errors in cooking: When converting lb to 斤 for recipes, round to the nearest practical measurement (e.g., nearest 5g or ¼ oz).

Pro Tips

• Memorize the factor: 1 lb = 0.90718474 斤. For quick mental math, remember this base conversion.
• Quick reference: 5 lb = 4.5359237 斤 · 10 lb = 9.0718474 斤 · 25 lb = 22.6796185 斤 · 50 lb = 45.359237 斤 · 100 lb = 90.718474 斤
• Bookmark this page: Save this converter for instant access. It works offline once loaded — no internet needed.

Pounds to Jin Conversion Table

All values in this table are mathematically exact per NIST SP 811.