The cash you need before your first sale: prototype, moulds, safety testing and your first factory order. Pick your product type and where it sells. Every line shows why it applies.
A physical product typically needs about $35,500 to $160,500 in cash before its first sale, using the calculator's defaults: a Bluetooth product with a built-in lithium battery, four moulded plastic parts, and a first order of 1,000 units at $12 each, sold on Amazon in the US and Canada. That covers the prototype, injection moulds, safety and certification testing and the first factory order.
For a Bluetooth or Wi-Fi product with a built-in lithium battery, 4 moulded parts, 1,000 units, sold on Amazon in US + Canada.
Prototype is your biggest cost, about 30% of the total. Most of this goes on revision rounds, so lock the design early.
Indicative ranges from vendor-published prices, checked October 15, 2026. Not a quote and not legal advice: confirm what applies with an accredited lab. Prices in US dollars.
Every figure the calculator uses, with when it applies and where it comes from. Labs and vendors publish most of these prices themselves, so treat them as indicative.
Two models come first. A looks-like model shows the size, shape and finish. A works-like model proves the mechanism or circuit does its job. Connected products need electronics and firmware on top.
Each plastic part with its own shape needs its own injection mould. Aluminium moulds cost less and last long enough for a first order; steel is for high volume.
What you test depends on what the product has and where you sell it. Electronics, radios, lithium batteries, wall plugs and children’s products each bring their own tests, and each market has its own rules.
The first factory order is usually paid in full before it ships, so it all comes before your first sale, along with freight, boxes, barcodes and, for most marketplaces, insurance.
Patent costs, design fees beyond the prototype studio’s price, import duty (it depends on the tariff code), warehousing and marketing. Pound prices are converted at £1 = US$1.3267 (ECB reference rate, 14 Oct 2026). For patent costs, use the patent cost calculator.
Each page opened and read on October 15, 2026. The date is the one the page carries.
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