How much does it cost to run a 3D printer?
About $3.98 a month on the typical usage below, at the U.S. average $0.1816/kWh. Set your own rate and usage and the figure updates instantly.
Most of a 3D printer's draw is the heated bed; long prints run many hours at low-ish power.
Running a 3d printer at 120W for 6 h a day costs about
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A 3D printer looks like it should cost more than it does, because a print can run for hours or even days straight. But most of that time it's not drawing much: the stepper motors and control board sip well under 50W, and the bulk of the power goes to the heated bed and hot end warming up and then holding temperature — the 120W typical figure is really an average across a print that spikes on heat-up and settles low for the rest of the run.
That's why a 10-hour overnight print can still land under a dollar even though it ran all night: at $0.18/kWh, 120W for 6 hours a day works out to roughly $3.97 a month, closer to a phone charger left running than a space heater. The real cost driver isn't the printer's wattage, it's how many hours of print queue you run — a busy month of long, detailed prints costs meaningfully more than an occasional small part.
What drives the cost of running a 3D printer
- Print duration matters far more than the printer's wattage rating — an 18-hour miniature-detail print costs roughly 18x a 1-hour part, even at the same power draw.
- The heated bed and hot end do most of the work; PLA (lower temp) costs noticeably less to run than ABS or ASA (higher temp, often with an enclosure heater too).
- Bed size and material affect heat-up time and how long the bed has to hold temperature, which is why big-format printers use more than small desktop models.
How to cut it
- Print in batches (nest multiple parts in one file) instead of many separate small prints — each print pays a fixed bed/hot-end heat-up cost.
- Use a bed temperature and enclosure suited to the filament (PLA needs much less heat than ABS/ASA) rather than defaulting to high-temp settings.
- Turn the printer fully off (not standby) between prints — control boards and displays draw power even when idle.
- If you print daily, a printer with a smaller heated bed or a heat-soak/insulated enclosure holds temperature with less continuous draw.
Data basis
- Electricity price
- U.S. Energy Information Administration, Electric Power Monthly, Table 5.6.B, June 2026 year to date, released 2026-08-26. Retrieved 2026-09-11. Average residential revenue per kWh. A benchmark average, not a utility tariff — it excludes the fixed charges, tiers, time-of-use windows, taxes and fuel adjustments on a real bill.
- Appliance energy
- A representative running power for a 3D printer, compiled from published manufacturer specifications and public appliance-energy guidance, and presented as a typical figure with the usual range shown above. It is not a measurement of your unit, and we do not claim a single primary source for it — the nameplate on your appliance, or an hour with a plug-in energy meter, beats any typical figure we can publish.
- Usage model
- Steady load — 120W for 6 h a day
- International prices
- rounded typical household tariffs for each market, in that market's own currency unless the row says US$ equivalent. These are planning benchmarks with no single primary source; enter the per-kWh price from your own bill for an accurate figure.
- Last reviewed
- 20 August 2026. Next scheduled review 20 February 2027.
- Corrections
- Think a figure is wrong? Tell us at corrections@watt-dollar.com and see our corrections policy.
Common questions
How much does it cost to run a 3D printer per month?
On the assumption shown above — 120W for 6 h a day — a 3D printer costs about $3.98 a month, or $47.72 a year, at $0.1816/kWh. That price is the U.S. average; set your own rate and usage above and the figure updates.
How is that worked out?
Power drawn while running x hours run per day. At 120W for 6 h a day that is 0.72 kWh a day, which at $0.1816/kWh costs $0.13 a day.
How can I cut the cost of running a 3D printer?
Print in batches (nest multiple parts in one file) instead of many separate small prints — each print pays a fixed bed/hot-end heat-up cost. As a worked example: running it 4.8 h a day instead of 6 h takes it from $47.72 to $38.18 a year, about $9.54 less.
Does resin (SLA) printing cost more to run than filament (FDM) printing?
Usually less per hour on the printer itself — resin printers skip the heated bed, so the LCD/UV array typically draws well under 100W. But post-processing (a UV curing station and an ultrasonic or wash station) adds its own runtime, so total project cost can end up similar to FDM once you count the full workflow, not just the print.
Is it cheaper to run a 3D printer overnight or split a print into shorter daytime runs?
Total energy use is about the same either way — cost tracks total print hours, not when they happen, unless your utility charges time-of-use rates. The only overnight-specific cost is the small standby draw most people accept for the convenience of not babysitting a long print.