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Shipping Markup Calculator

Enter your actual shipping cost and the markup to find the customer shipping charge.

How it is calculated

The charge is calculated as customer charge = shipping cost × (1 + markup % / 100), and the extra amount is markup amount = charge − shipping cost. The shipping cost is what the carrier actually bills you per parcel, in dollars; the markup is a percentage of that cost, so the percentage applies to the cost and not to the final price. Both values must be zero or more, and a 0% markup passes the carrier price through unchanged. Results are in US dollars with two decimals. The tool does not round to a "nice" price and does not add tax, insurance or carrier surcharges that may apply to a particular shipment.

Worked example

A carrier charges you $8.40 to ship an order. You add a 30% markup to cover packaging and handling time. Customer charge: 8.40 × 1.30 = $10.92. Markup amount: 10.92 − 8.40 = $2.52. Note that 30% markup is not 30% of the price you charge: the $2.52 is 23.08% of the $10.92 charge (2.52 / 10.92). If you wanted to keep 30% of the shipping charge as margin, you would divide the cost by 0.70 instead.

Try this example →

Common mistakes

  • Mixing markup and margin. A 30% markup on cost leaves only about 23.08% of the charge as extra; wanting a 30% margin needs a markup of about 42.86%.
  • Entering the markup as a decimal. Type 30 for 30%, not 0.30, which would add just 0.3% and charge almost the carrier price.
  • Basing the markup on an estimate rather than the real carrier rate. A heavy or oversized parcel can bill a dimensional price far above the guess, which a markup percentage will not cover.
  • Applying the markup to the order total instead of the shipping cost. The tool works on the shipping cost alone.

About this calculator

Shipping markup is the extra amount a seller adds on top of the actual carrier cost before charging the customer for shipping, calculated as customer charge = actual shipping cost × (1 + markup%). A $6 actual cost with a 25% markup becomes a $7.50 charge to the customer.

Shipping rarely maps one-to-one onto what carriers actually charge — packaging materials, box-handling labor, and the risk of underestimating a package’s size or weight all cost money that a flat pass-through of the carrier rate doesn’t cover — so many sellers build a markup into their shipping charge much like they would into product price. E-commerce sellers on platforms like Etsy and Shopify, and small-business owners quoting shipping manually, use this calculation to make sure their shipping charge covers true fulfillment costs rather than eating into product margin.

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