Calculate Freight Class. Avoid Overcharges. Ship Smarter.
Welcome to ShipWise. Our free LTL freight calculator helps you instantly determine your shipment's density and NMFC freight class. Stop paying expensive re-classification fees and start shipping with confidence and clarity.
Instant Freight Class Calculator
Get precise LTL freight class and density calculations in seconds. Our free shipping calculator helps you avoid expensive re-classification fees and ship with confidence.
2. Your Results
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Disclaimer: The freight class provided by this calculator is an estimate based on density and established NMFC standards. For a guaranteed rate and to avoid potential re-classification fees, always confirm the final freight class with your chosen carrier before shipping.
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Why ShipWise Saves You Money
The Last Freight Calculator You'll Ever Need
Stop wasting time with outdated calculators that cost you money. ShipWise delivers the accuracy and features modern businesses need to ship smarter and save on every shipment.
Eliminate Costly Re-Classification Fees
Stop losing money to surprise carrier fees. Our multi-item calculator gives you the exact combined density and freight class for your entire LTL shipment, so you ship right the first time.
Get Instant, Accurate NMFC Results
No more guessing or waiting. Our calculator uses current NMFC standards to deliver precise freight classifications in seconds, giving you confidence in every quote.
Built for Modern Businesses
Clean, mobile-first design that works perfectly on any device. Save time with our intuitive interface designed specifically for today's shipping professionals.
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Master NMFC Freight Classes
Understanding the National Motor Freight Classification system is key to avoiding overcharges. Lower class numbers mean denser, more efficient shipments that cost less to transport.
| Freight Class | Density (lbs/ft³) | Category | Cost Impact |
|---|---|---|---|
| 500 | Under 1 | Very light items | Highest Cost |
| 400 | 1 to 2 | Light items | Highest Cost |
| 300 | 2 to 3 | Light items | High Cost |
| 250 | 3 to 4 | Medium-light | Moderate Cost |
| 200 | 4 to 5 | Medium-light | Moderate Cost |
| 175 | 5 to 6 | Medium | Moderate Cost |
| 150 | 6 to 7 | Medium | Moderate Cost |
| 125 | 7 to 8 | Medium-dense | Lower Cost |
| 110 | 8 to 9 | Medium-dense | Lower Cost |
| 100 | 9 to 10.5 | Dense | Lower Cost |
| 92.5 | 10.5 to 12 | Dense | Lower Cost |
| 85 | 12 to 13.5 | Dense | Lower Cost |
| 77.5 | 13.5 to 15 | Very dense | Lower Cost |
| 70 | 15 to 22.5 | Very dense | Lower Cost |
| 65 | 22.5 to 30 | Very dense | Lower Cost |
| 60 | 30 to 35 | Extremely dense | Lower Cost |
| 55 | 35 to 50 | Extremely dense | Lower Cost |
| 50 | Over 50 | Extremely dense | Lower Cost |
💡 Pro Tip
Pack your items efficiently to increase density and potentially qualify for a lower freight class. Every pound per cubic foot matters for your shipping costs!
Your Freight Questions, Answered
Everything you need to know about freight classification and shipping costs.