Every 3D printing cost calculator on this site

Six free calculators, grouped by the question you are trying to answer. Each one runs in your browser, shows its formula, and keeps its assumptions visible. If you are new, start with filament cost — it is the number the others build on.

An FDM 3D printer finishing an orange printed part on the build plate
An FDM printer finishing a part The same print raises several separate questions: what the plastic cost, what the machine hours added, how much is left on the spool, and how much of the price came from the print that failed. Photo: Creative Tools, Wikimedia Commons, CC BY 2.0

Which calculator to use, and when

The tools overlap on purpose, but they answer different questions. Pick the row that matches what you are actually trying to decide.

You want to knowUseWhy not one of the others
What the plastic in this print cost meFilament Cost CalculatorThe full-cost tool adds machine time and power you may not have measured yet
What the whole print cost, end to end3D Print Cost CalculatorIt needs a machine-hour rate and a power figure, so it is the second step, not the first
Whether it is worth leaving the printer runningPrint Time & Power CalculatorMaterial cost is usually the smallest of the three big costs on a long print
How much filament is left on a part spoolSpool Remaining CalculatorWeighing beats estimating, and the calculator needs the empty-spool weight either way
Whether 25% infill is worth the extra timeInfill Cost CalculatorSlicer previews show material, not the money or the hours
What to charge somebody3D Print Pricing CalculatorPricing is a cost figure plus a margin and a fee schedule — do the cost first

The order that works

Start with the filament cost, because it uses numbers you already have on a receipt and in the slicer. Once you trust that figure, add machine time and power with the print cost calculator, then apply a margin and your marketplace's fees in the pricing calculator. Going the other way round — picking a price and working backwards — is how people end up defending a number they cannot break down.

Every calculator on the site takes the same approach: it uses your inputs, shows the formula it applied, and labels its own defaults as examples. If a result disagrees with your gut, the input is almost always the reason, and every input is editable.