River Table Calculator
Calculate the total epoxy needed for a river table based on table length, river width, thickness, and average void depth.
Inputs
in
in
in
%
Results
Epoxy Needed (with 15% overage)
6.03 gal
Pours Required (2" max/pour)
1
Epoxy Needed770.64 oz
Exact Volume5.24 gal
Est. Cost (low)$301.5
Est. Cost (high)$482.4
Effective Volume1,209.6 cu in
How to Use This Calculator
- Enter the table length in inches.
- Enter the average river channel width in inches — measure across the void between the two wood slabs.
- Enter the overall table thickness in inches.
- Enter the average void depth as a percentage of the table thickness (typically 80–100% for a through-pour).
- Read the epoxy needed in gallons and ounces with 15% overage to account for uneven voids and edge sealing.
- Check the exothermic heat calculator if your pour volume is large to confirm safe pour depths and temperatures.
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