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Metres = yards × 0.9144. Centimetres = metres × 100. Feet = yards × 3. Optional planning metres = metres × (1 + allowance percent ÷ 100).- Apply the formulaMetres = yards × 0.9144. Centimetres = metres × 100. Feet = yards × 3. Optional planning metres = metres × (1 + allowance percent ÷ 100).9.144 metres914.4 cm · 30 ft