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Estimating the correct amount of resin is crucial for creating a classic river-style coffee table. The right calculation ensures a flawless, efficient pour and helps avoid costly mistakes.
Typical Resin-to-Wood Ratio in River Tables
For the classic river table look, epoxy resin typically fills between one-third and one-half of the tabletop’s total volume. This varies based on the style and the width of the wooden planks you use. A more pronounced river effect calls for a wider resin channel, while a subtle look uses less epoxy and more wood. Carefully plan your design, measuring the width, length, and depth of the river channel, as this ultimately determines your total resin requirement.
How to Calculate the Volume You Need
Begin by measuring the river channel—length, average width, and the intended depth (commonly up to 5cm). Multiply these three measurements to obtain the volume in cubic centimetres (cc), then divide by 1000 for litres. For reference, a river of 100cm x 10cm x 5cm will require about 5 litres of resin. Remember, pouring layers above 5cm may require different products or staged pours, as with “EpoxyTable 5-Five”, which is designed for pours up to 5cm thick per layer.
Choosing the Right Epoxy for Deep Pours
Not all resins are suitable for deep pours. For rivers requiring 2–5cm depth, products like “EpoxyTable 5-Five” are ideal due to their lower risk of overheating and clear finish. If your table design features thicker river channels (up to 10cm), “Epoxytable 10-Ten” is formulated specifically to handle extra depth without excessive heat or clouding. For newcomers, consider a complete starter kit such as the “River-Table” kit, which simplifies quantity calculations and includes application accessories to help you achieve the best results.
When This Matters Most
Getting your resin volumes right is especially important if you have a limited supply or are working to a budget. Overestimating wastes materials, while underestimating may leave your table incomplete. Planning ensures a stunning finish and avoids sticky setbacks partway through your project.
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Correctly planning your resin quantity is a key first step to achieving a successful river coffee table. For further advice and a full project breakdown, see our main guide on calculating resin for coffee tables.