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PLA (Polylactic Acid) on Amazon Basics (Black Plastic) Spool Tare & Length Calculator

Weigh your Amazon Basics (Black Plastic) spool on a kitchen scale to instantly see remaining meters, feet, and percentage left for PLA (Polylactic Acid) (1.24 g/cm³).

Calculated Benchmark Answer

An empty Amazon Basics (Black Plastic) spool weighs exactly 238g (Plastic). A full 1kg net spool of 1.75mm PLA (Polylactic Acid) (density 1.24 g/cm³) contains 335.3 meters (1100.1 feet) of filament.

Input Parameters & Presets

1.24 g/cm³

Pre-loads exact volumetric density required to calculate length.

Tare: 238g

Pre-loads empty spool deduction (Plastic).

g(43.7 oz)
Min: 238 g83%Max: 1438 g

Weigh your half-used spool directly on any digital kitchen scale.

Preset Values: Quick Weight Presets
Job Electricity Costing$0.14
110W
2D Orthographic Cross-Section
100% REMAINING
PLA (Polylactic Acid)335.3m1100 ft
NET: 1000g•DIA: 1.75mm•100% REM
Remaining LengthKEY RESULT
335.3meters
1100.1 ft

100% of 1000g reference spool

Net Filament Weight
1000grams
35.27 oz

Excludes 238g empty tare

Electricity Cost
$0.14USD

8 hrs on Bambu Lab P1S

Material Density
1.24g/cm³

1.75mm diameter profile

Verified Material Reference Spec

Order Fresh 1kg Spool of PLA (Polylactic Acid)

High-speed, tangle-free PLA (Polylactic Acid) filament with ±0.02mm tolerance for reliable prints.

Check Amazon PriceSearch reference

Kitchen Scale Quick-Lookup: PLA (Polylactic Acid) on Amazon Basics (Black Plastic)

Read your digital kitchen scale directly. Tare deduction of 238g (Plastic) is already calculated below:

Spool StatusTotal Scale ReadingNet FilamentRemaining MetersRemaining FeetPercent Left
Low Spool388g150g50.3m165 ft15%
Quarter Spool488g250g83.8m274.9 ft25%
Half Spool738g500g167.6m549.9 ft50%
Three-Quarter Spool988g750g251.5m825.1 ft75%
Full 1kg Spool1238g1000g335.3m1100.1 ft100%

Amazon Basics (Black Plastic) Spool Tare Weight vs Competitors

Compare empty spool tare weights and resulting filament meter yields for PLA (Polylactic Acid) (1.75mm).

Material / SpecificationEmpty TareMaterial1kg YieldFlange Dia
Amazon Basics (Black Plastic)ACTIVE238gPlastic335.3mØ 200mm
Bambu Lab (Reusable Spool)250gPlastic335.3mØ 200mm
eSun (Clear Plastic Spool)245gPlastic335.3mØ 200mm
eSun (Eco Cardboard Spool)135gCardboard335.3mØ 200mm
Polymaker (Panchroma Cardboard)140gCardboard335.3mØ 200mm
Prusament (Honeycomb Plastic + Core)200gPlastic335.3mØ 200mm

Step-by-Step Math: How We Calculate PLA (Polylactic Acid) Length

Exact formulas and linear density substitutions for PLA (Polylactic Acid) (1.24 g/cm³) on a Amazon Basics (Black Plastic) spool.

Step 1: Subtract Empty Spool Tare Weight1000.0g net filament
Formula: W_net = W_total - W_tare
Calculation: 1238g - 238g = 1000.0g net filament

Deducting the verified 238g empty tare weight of the Amazon Basics (Black Plastic) (Plastic) spool leaves the exact net plastic mass.

Step 2: Calculate 1.75mm Cross-Sectional Area0.024053 cm²
Formula: A = π × (d / 20)²
Calculation: 3.14159 × (0.0875)² = 0.024053 cm²

Volumetric cross-sectional area in square centimeters for 1.75mm filament.

Step 3: Calculate Printable Length in Meters & Feet335.3m (1100.1ft)
Formula: L = W_net / (ρ × A × 100)
Calculation: 1000g / (1.24 g/cm³ × 0.024053 cm² × 100) = 335.3m (1100.1ft)

Dividing net mass by the linear density of PLA (Polylactic Acid) (1.24 g/cm³) yields the printable length.

MetriFab Precision GuaranteeFormulas cross-verified against Blum, Smooth-On, Polymaker, and eSun technical data sheets.
Zero-Lag SSG

Engineering Specifications & Troubleshooting Guide: PLA (Polylactic Acid) & Amazon Basics (Black Plastic) Hardware

Factory-tested parameters, common failure modes, and workbench best practices.

Maker Pro Tips
  • Keep cooling fan at 100% after layer 2 for crisp overhangs.
  • Crack open enclosure door to prevent heat creep.
  • The empty Amazon Basics (Black Plastic) spool weighs 238g (Plastic). Flange outer diameter is 200mm with a 54mm hub bore.
Most Critical Mistake to Avoid

Printing too hot (>225°C) without adequate cooling, causing droopy bridges.

Recommended Machine Settings
fan Speed100%
speed60-250 mm/s
enclosure NeededNo
retraction0.8mm direct
empty Spool Tare238 grams
spool MaterialPlastic
flange Diameter200 mm
hub Diameter54 mm

Frequently Asked Questions: PLA (Polylactic Acid) on Amazon Basics (Black Plastic)

Spool tare weight, density, moisture absorption, and kitchen scale tips.

Q1How much does an empty Amazon Basics (Black Plastic) spool weigh?
An empty Amazon Basics (Black Plastic) spool has a factory tare weight of 238 grams (Plastic construction). Subtract this tare weight from your scale reading to get the exact net filament weight remaining.
Q2How many meters of filament are in a 1kg spool of PLA (Polylactic Acid)?
A full 1,000 gram spool of standard 1.75mm PLA (Polylactic Acid) (density 1.24 g/cm³) contains approximately 335.3 meters (1100.1 feet) of printable filament.
Q3Is the Amazon Basics (Black Plastic) spool compatible with the Bambu AMS?
Amazon Basics (Black Plastic) spools have a flange diameter of 200mm and width of 65mm. It fits smoothly inside AMS and external drybox rollers.