Here are the general prices for USPS shipping from the United States to China. The cost depends on the weight, size of the package, and the shipping service you choose. Below are approximate starting costs for the most common services:

1. First-Class Package International Service

• For: Lightweight packages (up to 4 lbs or 1.8 kg).
• Cost: Starts around $15–$25 USD for small packages.
• Delivery Time: Typically 7–21 business days.
• Tracking: Limited tracking available, may not be fully trackable in China.
• Use Case: Best for small and lightweight items (e.g., documents, small goods).

2. Priority Mail International

• For: Packages up to 70 lbs (31.75 kg).
• Cost: Starts around $40–$55 USD for packages up to 2 lbs.
• Delivery Time: Typically 6–10 business days.
• Tracking: Full tracking available.
• Use Case: Suitable for medium-weight items, larger parcels, and general use.

3. Priority Mail Express International

• For: Fast, guaranteed delivery service.
• Cost: Starts at $70–$90 USD, depending on weight.
• Delivery Time: 3–5 business days.
• Tracking: Full tracking and delivery guarantee.
• Use Case: For urgent shipments or time-sensitive deliveries.

4. Global Express Guaranteed (GXG)

• For: Fastest service with guaranteed delivery.
• Cost: Starts at $100 USD and goes up based on weight and size.
• Delivery Time: 1–3 business days.
• Tracking: Full tracking, including delivery confirmation.
• Use Case: Best for high-priority, time-sensitive shipments.

Example Price Estimates (for common weights):

• 1 lb (0.45 kg):
  • First-Class Package: ~$18–$20 USD
  • Priority Mail: ~$40–$50 USD
  • Priority Mail Express: ~$70–$85 USD
  • Global Express Guaranteed: ~$100–$120 USD
• 2 lbs (0.91 kg):
  • First-Class Package: ~$25 USD
  • Priority Mail: ~$50–$60 USD
  • Priority Mail Express: ~$85–$100 USD
  • Global Express Guaranteed: ~$120–$140 USD

To Get Exact Pricing:

For an accurate quote, you can use the USPS Postage Price Calculator on their website, or visit a local USPS office with your package details.

Would you like more details or help with calculating for a specific package?