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Home Plant Insights

How Much does a Pine Tree Weigh? This may Surprise You

Caitlyn Palmer by Caitlyn Palmer
September 21, 2023
in Plant Insights
Reading Time: 6 mins read
How Much does a Pine Tree Weigh
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Table of Contents

  • What Factors Affect the Weight of a Pine Tree
    • 1. Age and Size of the Pine Tree
    • 2. Pine Tree Species
    • 3. Environmental Conditions
  • How to Calculate the Weight of a Pine Tree
    • 1. Measure the Tree’s Diameter
    • 2. Measure the Height of the Pine Tree
    • 4. Estimate the Volume of the Entire Pine Tree
    • 5. Multiply the Wood Volume by the Density
  • What’s the Average Weight of Different Pine Trees?

A pine tree is very common in woods all over the world. It’s usage knows no bounds. Pine wood is prized for its workability and is commonly used in construction, furniture making, and carpentry. It’s also an excellent helper in the garden in the form of mulch or to create raised beds.

But before you dive into a construction using pine wood, you need to consider its weight, right?

This article will cover all around the weight and size of pine trees. But I can tell you right now that the pine tree has one of the lightest woods in all of nature.

What Factors Affect the Weight of a Pine Tree

The weight of a pine tree is influenced by several key factors. Firstly, the age and size of the tree play a significant role. But also the species matters and environmental conditions can also highly influence the weight.

1. Age and Size of the Pine Tree

The age and size of a pine tree are pivotal factors that significantly influence its weight. As a pine tree matures over the years, it undergoes substantial growth, which translates into an increase in both its height and girth.

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Consequently, older pine trees tend to be much heavier than younger ones, as they have accumulated more wood mass over their lifespan.

Furthermore, the size of a pine tree, often measured by its diameter at breast height (DBH) or the overall canopy spread, directly correlates with its weight. Larger pine trees naturally contain more wood, branches, and foliage, so also weigh more.

Although, the weight of two pine trees of similar sizes can also greatly vary. That’s when other factors come into play.

2. Pine Tree Species

There are more than 200 known species of pine trees worldwide. You can spot slight variations in appearance between them, but also in weight.

For instance, the Eastern White Pine is renowned as one of the lightest woods among pine species. Its wood density typically falls within the range of 21 to 31 lb/ft³ (350 to 500 kg/m³).

But when we look at the other side of the ranking, we can find pine like the Pitch Pine with a density typically over 52 lb/ft³ (830 kg/m³).

3. Environmental Conditions

Soil quality, moisture levels, and overall tree health are significant influencers of weight.

Pine trees planted in nutrient-rich soils tend to thrive, growing larger and heavier over time.

Adequate moisture is also crucial, as drought-stressed pine trees may not reach their full growth potential, resulting in lower weight.

Additionally, environmental stressors, such as pest infestations or disease, can weaken a tree’s overall health, potentially affecting its weight.

How to Calculate the Weight of a Pine Tree

Calculating the weight of a pine tree might not be so evident at first glance. After all, you can’t just grab the whole tree and place it on a scale. It will require you to know at least the basics of mathematics.

1. Measure the Tree’s Diameter

Pine tree trunk diameter

First, measure the tree’s circumference at breast height, which is typically about 4.5 feet (1.37 meters) above the ground. You can use a measuring tape or calipers for accurate results.

Once you get the circumference, it’s time to calculate DBH – Diameter at breast height. To do so, use this formula:

DBH = Circumference / π
Calculate with π (pi) being approximately 3.14.

2. Measure the Height of the Pine Tree

Determining the height of the tree can be challenging for tall trees, but it is essential for a precise estimate of the weight.

You can use various methods, such as triangulation or laser rangefinders, to measure height.

It’s important to get the height of the pine tree as accurately as possible. Even a mere difference of a few inches in height can significantly impact the weight estimate. For example, let’s say you have a pine tree with a circumference of 100 inches. If you mistakenly estimated the height as 45 feet instead of 40 feet (a difference of 1.5 meters), the weight estimate will show a difference of over 80 pounds (37 kilograms).

4. Estimate the Volume of the Entire Pine Tree

Once you have both the DBH and height measurements, it’s time to estimate the volume of the entire tree. This is not easy to get a number anywhere close to the reality.

The best way is to consult with an expert, although they can tell you the whole tree weight right away.

A very simple way consists of assuming that the tree is cylindrical and using the mathematical formula to calculate the volume of a cylinder. That’s done using this formula:

V = πr2 * h

Where r is the radius – half of the measured diameter from the first step, and h is height.

As you can tell, this method is not super accurate because you assume that the girth of the tree does not change at different heights. Which, of course, does.

A much more accurate method is using a 3D printer. With a 3D printer, you can create a scale model of the tree and immerse it in water. Then, see how much water was displaced and multiply that by the scale.

5. Multiply the Wood Volume by the Density

Pine tree logs weight

Finally, multiply the wood volume by the density of the specific pine tree to calculate its weight.

What’s the Average Weight of Different Pine Trees?

Now, let’s compare different pine species in terms of their average weight. For this, I will work with an average-sized pine tree being 40 meters (130) foot tall.

Pine SpeciesDensity lb/ft³The Average Weight of 20m (65 foot) Pine
Eastern White Pine21 – 314,580 – 6,720 lb (2,080 – 3,050 kg)
Yellow Pine265,720 lb (2,600 kg)
Radiata Pine306,600 lb (2,995 kg)
Corsican Pine327,040 lb (3,190 kg)
Scotch Pine327,040 lb (3,190 kg)
Oregon Pine337,290 lb (3,310 kg)
Paraná Pine357,700 lb (3,500 kg)
Pitch Pine51 – 5311,220 – 11,700 lb (5,100 – 5,320 kg)

For this calculation, I worked with a 65-foot tall pine tree with a diameter of 1.8 feet at breast height.
These metrics can be considered average among pines.

The average weight of a 65-foot (20-meter) tall pine tree can range from approximately 4,000 to 12,000 pounds (1,840 to 5,443 kilograms), depending on the pine species and its density.

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Caitlyn Palmer

Caitlyn Palmer

Meet Caitlyn, the founder, and author - a passionate gardener and plant lover with a degree in horticulture who turned her struggles with starting a business into creating GlowGreenery, a place where she shares her knowledge and love for indoor gardening with the world. Learn More about Caitlyn.

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