About the Fence Paint Calculator
Fence paint or stain needed, counting both sides, posts and the rough-timber soak-in.
Also known as: fence stain calculator, how much fence paint, shed paint calculator, decking stain.
How to use this calculator
- Enter fence length, fence height, paint, timber and the other fields.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
litres = total area × coats ÷ coverage for that timber
Worked example
Using the values pre-filled in the calculator above:
- Fence length = 20 m
- Fence height = 1.8 m
- Paint: Both sides
- Timber: Rough sawn (5 m²/L)
- Coats = 2
- Fence posts = 9
- Price per 5 L = 28
the calculator returns:
- Paint required: 31.39 litres
- 5 litre tins: 7
- Total area: 78.48 m²
- Panel area: 72 m²