Why the last mile delivery cost calculator matters
Last mile is where logistics economics break, because the fixed cost of getting a van to a street is spread across whatever drops happen to be on it. This page turns that decision into a handful of inputs you can defend in a budget review: volume, unit cost, rate of adoption, and time. The output is a planning baseline, not a promise — it tells you whether the idea deserves a vendor quote, a pilot, or a pass.
- • Biggest swing factor: drop density, which drives cost per parcel more than distance
- • Second-order factor: parcel volume
- • Often ignored: surcharges, which are 15–25% of a typical invoice
What actually changes the answer
drop density, which drives cost per parcel more than distance moves this number first, then parcel volume. Run a conservative case and an upside case before you commit. If the maths only works in the upside case, treat it as a time-boxed test with a kill date rather than a line in next year's plan.
What to do with the result
Track cost per drop by postcode. Areas below your break-even density either need a partner carrier or a delivery surcharge at checkout.
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Read the guideFAQ
What does the last mile delivery cost calculator work out?
It applies Monthly cost = (orders × cost per order) + fixed platform fee to the values you enter for parcels delivered per month, delivery cost per parcel, routing software + depot overhead per month, monthly volume growth. Last mile is where logistics economics break, because the fixed cost of getting a van to a street is spread across whatever drops happen to be on it.
How accurate is this last mile delivery cost calculator?
Flat per-parcel cost hides density effects. Model dense and sparse zones separately for a realistic blended figure. Replace the defaults with your own invoice, usage export, payroll data, statement, or vendor quote before making a commitment — the maths is exact, so the answer is only as good as the inputs you feed it.
Which input should I stress-test first?
drop density, which drives cost per parcel more than distance. Re-run with a pessimistic value for it; if the decision flips, that assumption is the thing you need real data on before signing anything. After that, check parcel volume and surcharges, which are 15–25% of a typical invoice.
Which scenario should I start from?
Start with the preset closest to your situation — lean case, expected case, scaled case — then edit the sliders. Presets are realistic starting points, not benchmarks to match, and every change updates the result instantly.
What should I do after running the numbers?
Track cost per drop by postcode. Areas below your break-even density either need a partner carrier or a delivery surcharge at checkout. A useful planning benchmark to compare against: Last mile is typically 40–55% of total parcel logistics cost.
Can I share or save this calculation?
Yes. Your inputs are written into the page URL, so copying the link shares the exact scenario you are looking at — the person who opens it sees the same numbers. You can also export the inputs and results to CSV or PDF from the result card and keep it with the rest of your workings.
How this calculator is built
Independently maintained
Written by Sam Doshi and the RevenueLab editorial team. We don't sell the data feeds this tool is built on.
Sourced from primary data
Benchmarks come from public AdSense / Stripe / IRS disclosures and reader-submitted data — never third-party "$X per view" claims. Full methodology.
Last editorial review
Reviewed on a rolling quarterly cycle. Dated reviews are published on the methodology record for each calculator.
Editorial standards
See our editorial policy and disclaimer. Results are estimates, not advice.