sheet-good

MDF wood properties

Also known as: medium density fiberboard.

Type sheet-good
Modulus of elasticity (MOE) 350,000 psi
Specific gravity 0.75
Density (approx) 47 lb/ft³ (3.9 lb per board foot)

A 1 in x 6 in x 8 ft board of MDF weighs about 15.6 lb (roughly 47 lb per cubic foot).

Use this data

How these numbers were sourced

Bending MOE 350,000 psi is the Sagulator material-list value for medium-density MDF (MDF-MD = 0.35 x 10^6 psi; the list also gives low-density 0.20 and high-density 0.50). Specific gravity 0.75 is approximate, based on typical MDF panel density near 700 to 745 kg/m3 (CORRIM LCI reports about 741 kg/m3 ovendry), so it is flagged estimated. Bending MOE for sheet goods is grade and direction dependent. Movement model N/A (see movementNote). Price indicative.

Values shown as estimates rather than sourced constants: specificGravity, typicalPricePerSheet_usd.

Sources

These calculators are for planning and estimation. Engineering results (shelf sag, wood movement) use published average material properties; real boards vary by grade, grain, moisture and defects. Verify load-bearing designs with a professional.