The first step for answering “how to calculate how much decking I need” is to determine your deck’s square footage, or area, by taking the length of your deck times the width (L x W). EXAMPLE: For a deck that is 16 feet long and 12 feet wide, multiply 16 by 12. This gives you 192 square feet, your deck’s total area.

How do you quote a deck job?

The average cost to frame a deck is around $8 to $10 a square foot for the labor and between $2 and $10 a square foot for a wood material. When installing a metal deck, labor costs double to $16 to $20 a square foot, with materials being between $5 and $15 a square foot.

How much does it cost to build a 2021 deck?

What Does the Average Deck Cost in 2021? As a rough guideline, expect a deck from us to cost around $35,000.