Outdoor Table Calculator — Material Quantities
Calculate material quantities for outdoor table and bench sets.
How We Calculate This
This calculator determines the timber needed for an outdoor table based on the number of seats and board dimensions.
Top board calculation
Top boards = ceil(Table width / (Board width + 5mm gap))
Timber components
The total includes: top boards, 4 legs (height = 735mm minus top thickness), 4 apron rails, and for picnic tables, 6 bench slats and 3 cross braces. All measurements are converted to linear metres.
Frequently Asked Questions
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Last updated: February 2026
All calculations are estimates. Always verify measurements and material quantities before cutting or purchasing.