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Understanding how much volume 1kg of epoxy resin will fill is essential for accurate planning and purchasing, whether you’re crafting, casting, or coating. It’s all about matching your material to the shape and size of your project.
Epoxy Resin Density and Volume Explained
Epoxy resin generally has a density of around 1.1 grams per cubic centimetre. This means that 1 kilogram of standard epoxy resin will occupy roughly 910 millilitres in volume. It’s slightly denser than water, so your container will not be entirely full if you measure by weight.


How to Measure Epoxy Resin Accurately
When precision is key, use a container with clear graduations. A 2L Graduated Measuring Cup for Resin makes it easy to measure out exactly what you need, reducing waste and ensuring your resin-hardener mix is spot on. Always account for your project’s required volume and remember epoxy’s density when buying by weight or calculating how much mixture will fill your mould.
When This Matters Most
- Planning exact pours for mould casting or river tables
- Avoiding shortfall or excess in your project
- Ensuring correct mixing ratios for optimal curing

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Knowing that 1kg of epoxy resin fills about 910ml helps ensure you buy and mix the right amount for your project. For further advice on choosing and measuring epoxy, explore our guides on resin volume conversions.
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