Postage Calculator
Calculate postage costs for different letter types, weights, and destinations. Includes domestic and international shipping options.
Calculator
Free
Postage Calculator
Calculate accurate postage costs for letters and packages. Get current USPS rates, delivery times, and shipping options for domestic and international mail.
📬 Important Notice
Rates shown are estimates based on 2024 USPS prices. Postal rates change periodically. For official rates and services, always verify with USPS.com or your local post office before mailing.
📊 Current USPS Rate Reference
Domestic Services
| Service | Base Rate | Delivery Time |
|---|---|---|
| First-Class Mail Letter | $0.68 | 1-3 business days |
| First-Class Mail (additional oz) | +$0.28 | 1-3 business days |
| Priority Mail | $9.35+ | 1-3 business days |
| Priority Mail Express | $29.25+ | 1-2 business days |
International Services
| Service | Base Rate | Delivery Time |
|---|---|---|
| Global Forever Stamp | $1.50 | 7-21 business days |
| Priority Mail International | $29.95+ | 6-10 business days |
| Priority Mail Express Int'l | $49.95+ | 3-5 business days |
📦 Postal Service Tips
💰 Save Money
- Use online postage for discounts
- Buy stamps in bulk
- Consider Media Mail for books
- Use flat rate boxes when beneficial
📏 Measure Accurately
- Use a postal scale for exact weight
- Measure at the longest points
- Include packaging in weight
- Round up to next increment
🚚 Choose Right Service
- First-Class for letters under 3.5 oz
- Priority for speed and tracking
- Express for overnight delivery
- Ground for heavy, non-urgent items
📋 Before You Mail
- Verify address accuracy
- Include return address
- Check prohibited items list
- Consider insurance for valuables