Print Cost Calculator

Work out exactly what each print costs you — filament, electricity, and time all in one place.

Filament

Enter your spool price and how much filament your print uses.

Spool Price

Spool Weight

Grams Used

Check your slicer's filament usage estimate

Pick your country for a typical rate, or enter your own from your electricity bill.

Electricity Rate

/kWh

Printer Wattage

Typical FDM: 80–200W. Check your PSU label.

Print Time

Hours Minutes

Add a markup for your time, failed prints, or machine wear.

Failure Rate

e.g. 5% means 1 in 20 prints fails

Profit / Markup

0% = cost price only

Machine Wear

Per hour of printing (nozzle, belts etc.)

Filament Cost

—

Electricity Cost

—

Machine Wear

—

Failure Buffer

—

Small changes make a big difference at scale.

🔧 Optimise InfillUse gyroid or lightning infill at 10–15% for structural prints. Solid cubes waste 60%+ more filament.

🌙 Print OvernightMany tariffs have off-peak rates from 11pm–7am that can halve your electricity cost.

📦 Batch PrintsFilling the build plate with multiple parts spreads the warm-up cost across all pieces.

💡 Check Your WattageMost printers idle at 30–50W. Only the hotend and heated bed pull full power — actual usage is often 40–60% of rated wattage.

🧊 PLA vs PETGPLA prints cooler (no heated bed needed on some printers) saving 20–40W per hour vs PETG or ABS.

📏 Wall Count3 walls + 15% infill is the sweet spot for most boxes — strong enough, minimal filament waste.