Firewood Measurements: A Complete Guide to Understanding Wood Units

When it comes to purchasing firewood for your home, understanding measurements is essential. Whether you’re heating your home through winter, enjoying a cozy fireplace, or planning for a wood stove, knowing how to measure and calculate firewood quantities can save you money and prevent confusion when ordering from suppliers. Firewood is typically sold in various units of measurement, each with specific dimensions and quantities. This comprehensive guide will help you navigate the world of firewood measurements, understand different units, and make informed decisions when purchasing wood for your needs.

Understanding the Cord: The Standard Firewood Measurement

The cord is the most common and standardized unit for measuring firewood in the United States. A full cord is a legal measurement with specific dimensions that remain consistent across all states. Understanding what constitutes a full cord is fundamental to anyone buying firewood.

A full cord of firewood measures 4 feet high, 8 feet long, and 4 feet deep. This creates a total volume of 128 cubic feet. This standardized measurement ensures that whether you’re buying from a local supplier or a commercial operation, you know exactly what you’re getting. The wood in a full cord is typically stacked in neat rows, with pieces running perpendicular to the length of the stack.

The full cord measurement is legally defined in most states, which helps protect consumers from being shortchanged. When ordering a full cord, you should expect firewood that fills these exact dimensions. Reputable firewood sellers understand this measurement and will stack wood accordingly to meet these standards.

Face Cord: The Commonly Used Measurement

While the full cord is the standard legal measurement, the face cord is the most commonly purchased unit for residential use. Also known as a “short cord” or “stove cord,” the face cord is essentially one-third of a full cord. This smaller unit is perfect for homeowners who don’t need massive quantities of firewood.

A face cord measures 4 feet high, 8 feet long, and 16 inches deep. Because the depth is only 16 inches instead of the full 4 feet, a face cord contains approximately 42-43 cubic feet of wood. To put this in perspective, three face cords equal one full cord.

The face cord is particularly popular for households using fireplaces, wood stoves, or outdoor fire pits during recreational seasons. It’s more manageable to store and transport than a full cord, making it the preferred choice for many homeowners. When shopping for firewood, you’ll likely encounter face cord pricing more frequently than full cord pricing.

Rick: An Alternative Measurement Unit

In some regions, firewood is sold by the “rick,” another unit of measurement that differs from both cords and face cords. A rick typically measures 4 feet high and 8 feet long, but the depth varies depending on the seller and regional standards. Most commonly, a rick is 16 inches deep, making it equivalent to a face cord.

However, some suppliers may define a rick differently, with depths ranging from 12 to 24 inches. This variation makes it crucial to clarify dimensions with your firewood supplier before purchasing. Always ask for the specific measurements when ordering by the rick to ensure you understand exactly what you’re buying.

The term “rick” is more commonly used in certain regions and may be less familiar to some consumers. If you encounter this measurement, don’t hesitate to request clarification on the exact dimensions to avoid confusion.

Comparing Firewood Measurements: A Quick Reference

Understanding how these measurements compare to each other helps you make better purchasing decisions. Here’s a quick comparison of the main firewood measurements:

MeasurementHeightLengthDepthVolume (Cubic Feet)Equivalent
Full Cord4 feet8 feet4 feet128 cubic feetStandard unit
Face Cord4 feet8 feet16 inches42-43 cubic feet1/3 of full cord
Rick4 feet8 feet12-24 inches (varies)42-85 cubic feet (varies)Varies by region

Calculating Your Firewood Needs

Before ordering firewood, it’s important to determine how much you actually need. Several factors influence your firewood consumption, including:

  • Climate and Temperature: Colder regions require more heating, thus more firewood consumption throughout the season.
  • Home Insulation: Well-insulated homes require less firewood than poorly insulated ones.
  • Primary Heat Source: If firewood is your only heat source, you’ll need significantly more than if you’re supplementing central heating.
  • Wood Type and Moisture: Hardwoods burn longer than softwoods, and dry wood produces more usable heat than wet wood.
  • Fireplace or Stove Efficiency: Modern wood stoves are much more efficient than traditional fireplaces, meaning less wood is needed for the same heat output.
  • Usage Patterns: Occasional recreational fires require far less wood than daily heating throughout winter.

Estimating Annual Firewood Requirements

A typical household in a moderate climate that uses a fireplace or wood stove as a supplementary heat source might consume 2-5 face cords per winter season. Homes in colder climates or those relying primarily on wood heat might need 10-15 face cords or more annually.

To get a rough estimate, consider your current heating bills and climate. If you’re in a cold region and rely solely on wood heat, plan for at least 3-4 full cords. For occasional use in temperate climates, 1-2 face cords may be sufficient. It’s always better to order slightly more than you think you’ll need rather than running short during cold months.

Wood Seasoning and Moisture Content

Understanding firewood measurements is only half the battle; the quality and condition of the wood matter equally. Properly seasoned firewood contains a moisture content of 20% or less, making it ideal for burning. Freshly cut, “green” wood can contain 50% or more moisture, making it difficult to burn and less efficient.

Firewood typically requires 6-12 months of seasoning after being cut and split. During this time, the wood gradually loses moisture, becoming more suitable for burning. When purchasing firewood, always request seasoned wood. Ask suppliers about the age of their wood and how it’s been stored.

Properly seasoned wood produces more heat, burns more cleanly with less creosote buildup, and creates fewer sparks and pops when burning. While seasoned wood may cost slightly more than green wood, the benefits in heating efficiency and safety make it worth the investment.

Tips for Ordering Firewood

When you’re ready to order firewood, keep these helpful tips in mind:

  • Confirm Measurements: Always clarify exactly what the seller means by “cord,” “face cord,” or “rick” before making a purchase.
  • Verify Seasoning: Ask about moisture content and ensure the wood is properly seasoned, not green.
  • Ask About Species: Inquire about the type of wood being sold. Hardwoods like oak and maple burn hotter and longer than softwoods.
  • Delivery and Stacking: Determine whether the price includes delivery and if the seller will stack the wood at your location.
  • Inspect Upon Delivery: Check the delivered wood to ensure it meets the agreed-upon quantity and quality standards.
  • Get a Receipt: Always obtain a written receipt that specifies the exact measurement unit and quantity purchased.
  • Compare Prices: Contact multiple suppliers to compare pricing and ensure you’re getting a fair deal.

Storing Your Firewood Properly

Once your firewood is delivered, proper storage is essential to maintain its quality and ensure it stays dry and ready to burn. Follow these storage guidelines:

  • Stack wood in a location with good air circulation to promote continued drying.
  • Keep wood elevated off the ground using pallets or storage racks to prevent moisture absorption.
  • Cover the top of the stack with a tarp or metal roof to protect from rain, but leave the sides open for air circulation.
  • Store firewood away from your home’s exterior walls to prevent pest entry.
  • Keep the storage area clear of debris and vegetation.
  • Rotate your wood supply, using older wood first to maintain freshness.

Frequently Asked Questions About Firewood Measurements

Q: How many face cords equal one full cord?

A: Three face cords equal one full cord. Since a face cord is one-third the depth of a full cord (16 inches versus 4 feet), three face cords stacked together create the full 4-foot depth required for a full cord measurement.

Q: Can I use a full cord measurement for a fireplace?

A: While you technically can, a full cord is usually excessive for typical fireplace use. Most homeowners with fireplaces use face cords or ricks. A full cord is better suited for those heating primarily with wood or who have multiple fireplaces.

Q: What’s the difference between a rick and a face cord?

A: Often, they’re the same thing—both 4 feet high, 8 feet long, and 16 inches deep. However, some regions may define a rick differently, with varying depths. Always confirm dimensions with your supplier.

Q: How can I tell if firewood is properly seasoned?

A: Properly seasoned firewood should have visible cracks in the cut ends, weigh less than green wood, and produce a hollow sound when struck together. You can also use a moisture meter to verify moisture content is below 20%.

Q: Is it cheaper to buy a full cord or multiple face cords?

A: Generally, buying a full cord offers better per-unit pricing than purchasing three separate face cords. However, storage space and immediate need may make face cords more practical for residential use.

Q: How long does a cord of firewood last?

A: This varies greatly depending on usage. For occasional fireplace use, a full cord might last an entire season. For primary heating, a full cord might last only 4-6 weeks. Climate, wood type, and burn efficiency all factor into consumption rates.

Q: Should I buy green wood and season it myself?

A: You can, but it requires 6-12 months of seasoning and proper storage conditions. Most homeowners find it more convenient and cost-effective to purchase already-seasoned wood from reputable suppliers.

References

  1. Firewood Seasoning and Storage — U.S. Department of Energy. 2024. https://www.energy.gov
  2. Standard Firewood Cord Measurements — National Institute of Standards and Technology (NIST). 2023. https://www.nist.gov
  3. Wood Heating Safety and Efficiency — U.S. Environmental Protection Agency (EPA). 2024. https://www.epa.gov/wood-heaters
  4. Understanding Wood Moisture Content — Oregon State University Extension. 2023. https://extension.oregonstate.edu
  5. Firewood Species and Heat Output — University of New Hampshire Cooperative Extension. 2023. https://extension.unh.edu