Briquettes vs Kiln-Dried Logs:

A ‘tonne bag’ is not a tonne of logs!

Do your homework! Make an informed decision when buying your fuels.

One dumpy bag / tote bag / builder’s bag of logs will vary in volume – anything from 500 litres to 900 litres. They are never one tonne; a ‘tonne bag’ of logs will generally weigh between 200-300kg – more if they are wet logs, but not a tonne. They’re called ‘tonne bags’ because when you fill them with sand or similar heavy aggregates, some of them will weigh a metric tonne. One metric tonne of kiln-dried logs actually fills about four and a half dumpy bags.

Locally here in Dumfries, a dumpy of kiln-dried logs will cost anything from £60-£120 pounds. We took an average price of £90 per 850L bag. Seasoned logs are much cheaper – but they’re also wetter. Many logs are sold fresh as well – this means up to 80% of the weight can be water. Ask your supplier about moisture content. If you’re local, you can order logs through us or from Beaver Logs . Check that your fuels meet the Woodsure Ready to Burn requirements. View our Woodsure certified fuels here.

briquettes vs logs. Pallet of ruf oak woodfuel cooperative
A pallet of one hundred packs of wood briquettes weighs one metric tonne.
Briquettes vs Kiln-Dried Logs. dumpy bags of logs woodfuel cooperative
Four and a half dumpy bags of kiln-dried logs weigh approximately one metric tonne

Briquettes vs Kiln-Dried Logs: Wood Briquette Weights

When it comes to Briquettes vs Kiln-Dried Logs, it’s easier to calculate with wood briquettes. Our calculations are based on 1000kg vs 1000kgs of logs. Make your decision based on accurate facts and figures. Most pallets of wood briquettes will be sold at 960kg to allow for safe transport (maximum taillift handling weights need pallets to be below one tonne). Read about the benefits of burning wood briquettes on our blog post . Briquettes have huge advantages over logs when it comes to value, heat and cleanliness.

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Quick guide to choosing the best Wood Fuel for your stove and lifestyle.

Wood Fuel Co-operative

*Break - We strongly recommend you break these briquettes in half (or less for very small stoves) because they do expand whilst burning and you don't want them to overfill the fire.
*Easy to light - We always use a Firelighter and Kindling Sticks to start our fires. Most briquettes are graded four stars to light because they are quite dense and require kindling.


  • All stove and flue combinations tend to have different burning characteristics. Fuel that works well in my stove may not work so well in your stove, and vice-versa.
  • Most modern stoves are more efficient than most older stoves, meaning a modern quality stove will burn fuel more economically and generate more heat over a longer period.
  • Always try to burn fuel with a 'lick of flame'. Smouldering fuel to try to extend burn time is bad for your stove, flue and the environment due to unburned particulate matter in the smoke.
  • Be prepared to break briquettes into smaller sections to fit into your stove comfortably. Many briquettes do expand whilst burning and you don't want them to expand onto the glass.
  • The chart above indicates which briquettes are easy to break. Some are small enough so they don't need breaking. This makes for a cleaner environment around your stove.
  • All briquettes, except Everyday Value and Hotmax, benefit hugely from using kindling to light them. I suggest five kindling sticks will be sufficient, meaning a net should last 30 days.