3D Container Loading Calculator & Stuffing Planner

Calculate how many boxes fit in a 20ft, 40ft container or truck.
Multiple Box Types Pallet Mode Orientation Control Back-to-Front Logic
🚢20ft Container589 × 235 × 239 cmMax: 25,000 kg
🏗️40ft Standard1203 × 235 × 239 cmMax: 26,500 kg
🏢40ft High Cube1203 × 235 × 269 cmMax: 28,500 kg
🚛Standard Truck1360 × 248 × 270 cmMax: 24,000 kg

Box Types Configuration

Loading Results
Total Boxes0
Total Weight0 kg
Space Used0%
Box Types0

The Ultimate Free 3D Container Loading Calculator

Optimizing cargo space is one of the most critical challenges in global logistics and supply chain management. Every inch of wasted space in a shipping container translates directly to lost revenue. Welcome to the most advanced, completely free 3D Container Loading Calculator on the web—engineered specifically for freight forwarders, export managers, and Amazon FBA sellers to visualize and maximize their shipping efficiency.

Unlike traditional container stuffing software that requires expensive monthly subscriptions or forces you to upload your proprietary product data to a cloud server, our 3D load calculator operates entirely within your web browser. Using advanced Client-Side Processing and real-world Back-to-Front loading logic, you can calculate complex packing plans securely, instantly, and with zero latency.

Why Use Our Container Stuffing Calculator?

Whether you are calculating Cubic Meters (CBM) for an LCL (Less than Container Load) shipment or planning a complex FCL (Full Container Load) with multiple box sizes and pallets, our tool bridges the gap between theoretical math and warehouse reality.

  • Realistic Back-to-Front Packing: Most online calculators stack items layer-by-layer across the entire floor. Our algorithm mimics real warehouse workers and forklifts, packing your cargo in vertical columns from the back wall to the container doors.
  • 100% Privacy Guarantee: Your packing lists, product dimensions, and shipment volumes are highly sensitive business data. Because this tool runs locally via JavaScript and WebGL, your data never leaves your computer. We do not store, track, or upload your cargo plans.
  • Dual Loading Modes: Choose between "Floor Loaded" (loose boxes) to maximize every inch of space, or "Pallet Loading" for safe, fast, forklift-ready logistics.
  • Intelligent Auto-Fill: Don't know exactly how many boxes will fit? Enter your required stock, and leave the quantity blank on your final product to let the algorithm automatically calculate the maximum amount that fits in the remaining space.

How to Use the 3D Load Calculator (Step-by-Step)

Generating a professional container loading plan and PDF report takes less than a minute. Follow these simple steps to optimize your freight:

  1. Select Your Container: Choose from standard global shipping sizes, including the 20ft Container, 40ft Standard, 40ft High Cube (HC), or a Standard European Truck trailer.
  2. Choose Your Mode: Select Box Loading for loose cargo directly on the container floor, or Pallet Loading to calculate how many boxes fit on a specific pallet (EUR, US, Asia, or Custom) and how many of those pallets fit in the container.
  3. Configure Your Box Types: Click "Add Box Type" and input the Length, Width, Height (in cm), and Weight (in kg) of your cartons. You can add as many different box types as you need.
  4. Apply Special Handling Rules: Real freight isn't just about math; it's about physics. Mark boxes as Fragile, Heavy, or containing Liquid. Use the orientation controls to dictate if a box "Must Stay Upright" or if it can be rotated safely.
  5. Calculate & Visualize: Click "Calculate Load Plan." Instantly view your total CBM volume, weight, and an interactive 3D blueprint of your packed container.
  6. Export Your Report: Download a comprehensive, branded PDF report containing step-by-step loading instructions and a 3D snapshot to hand directly to your warehouse loading team.

Real-World Logistics Use Cases

📦 Amazon FBA Sellers (FCL & Palletized Shipments)

If you are importing goods from manufacturers in Asia to Amazon FBA warehouses in the USA or Europe, optimizing your container is vital for profit margins. Use the Pallet Mode to ensure your cargo meets strict Amazon FBA pallet height and weight restrictions, and instantly see exactly how many units you can safely ship in a 40ft HC.

🚢 Freight Forwarders & Export Managers

Stop guessing if a client's mixed cargo will fit. Quickly input multiple SKU dimensions and weights, calculate the total CBM, and verify that the gross weight doesn't exceed the container's legal payload limits before booking ocean freight.

🏭 Manufacturers & Furniture Exporters

Shipping oddly shaped or delicate goods? By utilizing the "Must Stay Upright" and "Fragile" handling constraints, manufacturers can generate visual loading plans that prevent heavy boxes from crushing delicate items, reducing transit damages and insurance claims.

Supported Container and Pallet Specifications

Our tool utilizes standard internal dimensions (ISO) for marine shipping containers and international pallets. Please note that internal dimensions may vary slightly depending on the exact shipping line and container age.

  • 20ft Container: 589 × 235 × 239 cm (Max payload: ~25,000 kg)
  • 40ft Standard (40st): 1203 × 235 × 239 cm (Max payload: ~26,500 kg)
  • 40ft High Cube (40hc): 1203 × 235 × 269 cm (Max payload: ~28,500 kg)
  • EUR Pallet (Euro 1): 120 × 80 cm
  • US Standard Pallet: 120 × 100 cm (48 x 40 inches)

The Privacy Advantage: 100% Client-Side Processing

In international trade, your supply chain data—including product dimensions, shipment volumes, and supplier origins—is your competitive edge. Many "free" SaaS logistics tools secretly collect this data to sell market insights. GungorKaya.com changes the rules.

This 3D container stuffing calculator relies on WebGL and Client-Side JavaScript. When you hit "Calculate," your computer's own processor does the math. The interactive 3D rendering happens directly on your graphics card. Nothing is ever sent to a cloud database. You get enterprise-grade supply chain optimization with absolute, unbreakable digital privacy.

Frequently Asked Questions

Yes, absolutely. Our container calculator is 100% free to use with no hidden fees, no required account registrations, and no limits on how many packing plans you can generate.
No. We prioritize your business privacy. All dimensional calculations and 3D renderings are processed locally inside your web browser (client-side). We never see, save, or upload your shipment data.
Unlike basic calculators that layer boxes across the entire container floor, "Back-to-Front" (or depth-first) loading simulates how real warehouse workers load cargo: starting at the far back wall, stacking to the ceiling, and moving forward toward the doors.
Yes! Use the "Pallet Loading" mode. The tool will calculate exactly how many boxes fit onto a specific pallet size, and then calculate how many of those fully loaded pallets can fit inside your chosen shipping container.
The calculator currently supports standard 20ft Containers, 40ft Standard Containers, 40ft High Cube (HC) Containers, and Standard Truck Trailers (13.6m).
Yes. In Pallet Mode, click the "Custom Size" card. A prompt will appear allowing you to enter the exact Length and Width (in cm) of your unique pallets.
When adding a box type, uncheck the "Stackable" option in the Special Handling section. The algorithm will ensure that no other boxes are placed on top of these items.
Yes. Under the "Allowed Orientations" setting for your box type, select "Must Stay Upright." The calculator will test different placements without rotating the box on its side.
Because the calculations are done on your own device, there is no hard limit. You can add dozens of different SKUs and box dimensions to simulate highly complex, mixed-cargo LCL or FCL shipments.
If you have a core product you want to ship, but want to fill any leftover void space with a secondary product, simply leave the "Quantity" field blank for that secondary product. The math engine will automatically calculate the maximum amount that fits.
Yes! Click the "Download Report" button after calculating. The tool will generate a professional, multi-page PDF containing weight distribution stats, step-by-step loading instructions, and a 3D snapshot for your warehouse team.
Yes. You must input the weight (in kg) for each box. The tool tracks the Gross Weight in real-time to ensure your cargo plan does not exceed the legal maximum payload capacity of the selected container.
Absolutely. By entering your box dimensions in centimeters, the tool visually calculates how your total freight volume (CBM) interacts with the container's internal dimensions, optimizing your spatial efficiency.
Yes, it is highly recommended for Amazon FBA. FBA requires strict adherence to pallet heights and weights. By using the Pallet Loading mode, sellers can accurately plan shipments that comply with Amazon's receiving requirements.
Yes, the interface is fully responsive. However, because rendering 3D graphics and calculating complex matrix algorithms requires processing power, using a desktop or laptop computer will provide the smoothest, fastest experience.
The algorithm is designed to prioritize heavy items. If you mark a box type as "Heavy Item", the calculator will attempt to place these boxes on the floor of the container first to maintain a low center of gravity.
Yes. Simply position the 3D camera exactly how you want it using your mouse, and click the "Save Image" button. It will instantly download a high-resolution PNG snapshot of your cargo plan.
The calculator features built-in error checking. If you accidentally input a dimension that is larger than the container's internal doors or walls, it will alert you immediately and prevent calculation to save time.
No account is needed. All generated PDFs and PNG images are saved directly to your local hard drive or mobile download folder instantly.
Because the entire application relies on client-side JavaScript, once the webpage has fully loaded on your device, you can technically disconnect from the internet and still calculate and view 3D load plans securely.