PETG vs PLA Comparison

Pick two filaments to compare PETG and PLA on strength, flexibility, durability, print temperature, bed temperature, density and difficulty.

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This PETG vs PLA tool compares two common 3D printing filaments in a free tool that runs in your browser. Pick a filament in each drop-down and the results show strength, flexibility, durability, difficulty to print, density, and nozzle and bed temperatures for both, side by side. There is no sign-up, and nothing you choose is uploaded. Every figure comes from the Materials table of the Wikipedia article “3D printing filament” (checked October 2026). These are generic ranges for each material family, not data for one brand or spool, so check the temperature on your own spool label before you print. The guide below explains what the numbers mean and where PETG and PLA differ.

How to use the PETG vs PLA comparison tool

Open the First filament drop-down and choose PETG. You can also click the PETG vs PLA chip above the form to load this pair in one click.
Open the Second filament drop-down and choose PLA.
Read the result panel. It updates as soon as you change either drop-down. It shows Main differences, Nozzle (print) temperature, Bed temperature, Strength, Flexibility, Durability, Difficulty to print and Density for each filament.
Scroll down to the table titled “PETG vs PLA, side by side”. It lists the same ratings plus Heated chamber and Source notes.
Open “How it was calculated” to see the ranges and the source note.
Use the buttons to save your result. Copy result copies the result lines with a link. Copy link copies the page address, which stores both choices, so opening it later restores the same comparison. Print / save result prints the comparison.

To compare PETG with a different filament, change the Second filament drop-down. The chips above the form load common pairs: PETG vs PLA, ABS vs PLA, PETG vs ABS and Nylon vs PETG. Read the Nozzle (print) temperature line first, because it shows which of the two your hotend and spool suit, then compare the ratings.

Is PETG stronger than PLA?

No, not according to the table this tool uses. Both PETG and PLA are rated Medium for strength, so the tool does not say one is stronger than the other.

The table rates each property separately on a Low, Medium or High scale. Strength is only one of those ratings. PETG is rated High for flexibility and High for durability, while PLA is rated Low for flexibility and Medium for durability. The Main differences line reads that PETG is more flexible and more durable than PLA. If you need a part that bends rather than snaps, or that lasts longer under wear, those ratings matter more than the strength rating alone.

What temperature does PETG print at compared with PLA?

PETG prints hotter than PLA. The tool lists PETG at 220–235 °C (428–455 °F) and PLA at 180–230 °C (356–446 °F). The two ranges overlap between 220 and 230 °C, so a setting in that band may suit either material.

Bed temperature is different. The tool shows that PETG needs no heated bed, while PLA needs no heated bed but has 60–80 °C (140–176 °F) recommended. These are generic ranges. The temperature printed on your spool label or datasheet is the best guide for your filament.

What is the difference between PETG and PLA?

In the table the two are close on strength and apart on almost everything else. PLA is described as easy to print and biodegradable, though only in very specific conditions, and its listed use is consumer products. PETG is described as more flexible than PLA or ABS and durable, and its listed use is “all”.

By the numbers in the table, PETG is rated one step higher than PLA for flexibility, durability and difficulty to print. It prints at a higher temperature and is slightly denser. PLA is the lower-effort choice, and PETG is the tougher, more flexible one. Which suits you depends on whether the part must bend, how long it must last and how much tuning you are willing to do.

Sources

Checked October 2026:

Wikipedia, 3D printing filament: Materials table: strength, flexibility, durability, difficulty, density, print and bed temperature

Worked examples

Input	Result
PETG vs PLA	PETG: 220–235 °C (428–455 °F) · PLA: 180–230 °C (356–446 °F)
ABS vs PLA	ABS: 210–250 °C (410–482 °F) · PLA: 180–230 °C (356–446 °F)
PETG vs ABS	PETG: 220–235 °C (428–455 °F) · ABS: 210–250 °C (410–482 °F)

Calculated by the tool above with these values.

Frequently asked questions

Is PETG harder to print than PLA?

Yes. The table rates PETG Medium for difficulty to print and PLA Low, so PLA is the more forgiving choice for beginners.

Does PETG need a heated bed?

No. The tool shows no heated bed needed for PETG. PLA also needs no heated bed, though a bed at 60–80 °C (140–176 °F) is recommended for it.

Which is heavier, PETG or PLA?

PETG is slightly heavier for the same volume. The table lists its density as 1270 kg/m³, compared with 1240 kg/m³ for PLA. The difference is small, so a part’s shape and infill will affect its weight far more.

Which is more flexible, PETG or PLA?

PETG is more flexible. The table rates PETG High for flexibility and PLA Low. The source describes PETG as “more flexible than PLA or ABS.”

Is PLA or PETG better for beginners?

By this source, PLA. The table rates PLA Low for difficulty to print and describes it as easy to print, while PETG is rated Medium. A beginner can still print PETG, but it asks for a hotter nozzle and has more to tune.

Can I compare other filaments with this tool?

Yes. Both drop-downs offer 12 filaments: PLA, ABS, PET, PETG, ASA, polycarbonate (PC), nylon, TPU, HIPS, polypropylene (PP), acetal (POM) and acrylic (PMMA). The table does not give a density for POM or PMMA, so the tool marks it as “Not listed” and shows a warning.

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