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What it costs to make things, every week, in plain numbers.

What a price change does to one unit

Three separate calculations. One is for a material or input that changes price. One is for a duty rate on an imported part that changes. The third adds up what one unit costs and applies your own markup. Enter your own numbers.

A material or input changes price

For learning only. This is arithmetic on the numbers you enter. It does not predict prices, suggest what to charge, or interpret tariff rules. Check duty rates against the official notice.

A duty rate on an imported part changes

For learning only. This is arithmetic on the numbers you enter. It does not predict prices, suggest what to charge, or interpret tariff rules. Check duty rates against the official notice.

Build a unit cost, then add your markup

For learning only. This is arithmetic on the numbers you enter. It does not predict prices, suggest what to charge, or interpret tariff rules. The markup is yours; the page never suggests one.