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Shipping and postage cost calculator

Compare two shipping workflows at your expected monthly volume. Include quoted postage, packaging, extra fees, subscriptions, and one-time costs.

This is a budgeting worksheet, not a live carrier rate finder. Enter your own quotes for comparable parcels and delivery services. No email required.

Read the shipping guide and explore providers
Your shipping volume
Whole shipments. Held constant for 12 months.
Optional average. Used to estimate cost you absorb, not profit.
Workflow A
Required. Use comparable service quotes; include known carrier surcharges.
Boxes, mailers, tape, protection, and labels.
Only fees not already included: insurance, handling, or label charges.
Software and fixed recurring add-ons. Use an average if billed annually.
Setup or equipment costs you want to include in year 1.
Workflow B
Required. Use comparable service quotes; include known carrier surcharges.
Boxes, mailers, tape, protection, and labels.
Only fees not already included: insurance, handling, or label charges.
Software and fixed recurring add-ons. Use an average if billed annually.
Setup or equipment costs you want to include in year 1.

Blank optional costs count as $0. All amounts are USD. Use postage quotes that already include relevant carrier adjustments where possible.

Start with two real quotes.

Enter shipment volume and both postage quotes, then compare.

How the estimate works

Variable cost per shipment = postage + packaging + other per-shipment fees. Monthly total = shipment count × variable cost + monthly subscription. First-year total = twelve monthly totals + one-time costs; renewal estimate excludes those one-time costs.

The break-even calculation compares ongoing costs only. It assumes constant quoted fees and no plan-limit changes. A higher fixed-cost workflow needs enough lower-cost shipments to offset its subscription premium. One-time costs affect the first-year result separately.

Customer shipping charges are subtracted to estimate the shipping cost you absorb. A negative balance means those charges exceed entered shipping costs; it is not profit. Labor, product cost, unentered taxes, returns, duties, and other overhead are excluded. Add known shipment expenses to the applicable field without double counting.

Recheck quotes and plan limits as volume or parcel mix changes. The lower estimate does not establish delivery reliability or recommend a provider.

Explore providers for this step

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Shipping & postage

Stamps.com

Explore online postage and label printing for your mailing workflow. Check subscription, carrier options, equipment, and current fees.

View Stamps.com plans & sign up ↗

Continue to Stamps.com to review terms and sign up.

Shipping & postage

ShipStation

Explore shipping software for online orders. Confirm store integrations, shipment limits, carrier access, and recurring charges.

View ShipStation plans & sign up ↗

Continue to ShipStation to review terms and sign up.

Shipping & postage

Easyship

Explore multi-carrier shipping tools. Confirm available services, plan limits, and international shipping or customs costs.

View Easyship plans & sign up ↗

Continue to Easyship to review terms and sign up.

About HomeBase

HomeBase helps US freelancers and solo home-business owners choose business mailing arrangements. We connect address-purpose guides, a setup checklist, and a worksheet using your quoted fees. Formation and insurance guides support the wider setup process. Our provider comparisons use published sources and do not claim hands-on testing.

Our checklist is a planning aid. State agencies, local authorities, financial institutions, and service providers determine their own requirements.

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Affiliate disclosure

HomeBase may earn a commission when you sign up through a qualifying affiliate link, at no additional cost to you. Links with approved tracking URLs may earn commissions; unconfigured links use ordinary provider pages.

Use the guides to compare services and check current terms directly with each provider. No provider has endorsed this checklist.