Fence Paint Quantity Calculator

Calculate the volume of paint required for a fence by multiplying length and height to find surface area, then dividing by the product's coverage rating. Adjust the result for extra coats or both sides of the fence as needed.

Measure the total length of fence you plan to coat
Use the average height if boards are uneven
Check the can label for recommended coverage per coat

Actual paint needs may vary with surface texture, weather, and application technique—use this result as a planning baseline.

Examples

  • 30 m × 2 m with 10 m²/L ⇒ 6.00 litres
  • 15 m × 1.8 m with 8 m²/L ⇒ 3.38 litres
  • 20 m × 2.4 m with 12 m²/L ⇒ 4.00 litres

FAQ

Should I buy extra paint for touch-ups?

Yes. Purchasing an additional 5–10% ensures you have enough for knots, end grains, and future repairs.

Does paint coverage vary by brand?

Coverage ratings differ by formulation and colour. Always refer to the product datasheet for the most accurate value.

How many coats does this calculator assume?

The calculation shows a single coat. Multiply the result by the number of coats you plan to apply.

Can I enter measurements in feet?

Convert feet to metres (1 ft = 0.3048 m) before using the tool or use a conversion calculator to maintain accuracy.

What if my fence has gaps or decorative cut-outs?

Estimate the solid surface area only—subtract the approximate open area or reduce the height measurement accordingly.

Additional Information

  • Multiply the area by the number of coats you plan to apply—two coats double the volume shown.
  • Rough-sawn timber and older fences absorb more paint; add an extra 10–20% for porous surfaces.
  • Remember to include both sides of the fence if you are painting inside and outside faces.
  • Coverage rates are based on ideal conditions; wind, temperature, and application method can influence the real yield.