jarvisbox

Shipping Cost Estimator

Estimate shipping costs by weight and carrier rate to decide if free-shipping thresholds are worth it.

How to use

  1. Enter the package weight and select the unit (lb, kg, or oz).
  2. Enter the carrier's per-unit rate and any base handling fee.
  3. Optionally enter the free-shipping threshold and your cart total to see if it's worth adding more items.

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Frequently Asked Questions

Is this tool free?
Yes, completely free with no signup required.
Does my data leave my device?
No. All calculations happen in your browser — nothing is sent to a server.
Does it work on mobile?
Yes. The tool is mobile-first and works on any modern browser.

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