Free embeds for freight publishers

Put a working freight answer inside your article.

Each iframe is hosted by ShipMathLab, runs calculations in the reader's browser, and links back to the full formula, assumptions, and source notes. No API key or account is required.

Open the publisher kit ↗Download reference assets

Paste-ready iframe sources

Choose the calculation your readers need

Keep the title attribute and the attribution link when you publish. The calculators stay free and are updated when the method or source review changes.

dimensional weight calculator

Dimensional Weight Calculator

Compare actual and dimensional weight with carrier planning divisors and chargeable-weight rounding.

<iframe src="https://shipmathlab.com/embed/dimensional-weight-calculator" title="Dimensional Weight Calculator" width="100%" height="820" loading="lazy" style="border:0"></iframe>

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pallet load calculator

Pallet Loading Calculator

Estimate cartons per layer, layers, height, weight, and the constraint that limits the load.

<iframe src="https://shipmathlab.com/embed/pallet-load-calculator" title="Pallet Loading Calculator" width="100%" height="820" loading="lazy" style="border:0"></iframe>

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lcl chargeable volume calculator

LCL Chargeable Volume Calculator

Compare CBM with metric tonnes, apply W/M minimums, and estimate variable and fixed charges.

<iframe src="https://shipmathlab.com/embed/lcl-chargeable-volume-calculator" title="LCL Chargeable Volume Calculator" width="100%" height="860" loading="lazy" style="border:0"></iframe>

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Attribution that keeps the result honest

Use wording such as: “Calculation powered by ShipMathLab; see the formula and source method.” The result is a planning estimate, not a carrier quote, engineering approval, or tariff decision.