Jar Label Size Calculator: Determine The Perfect Jar Label Size
October 02, 2025

Getting a random size of jar labels for your products goes nowhere. In fact, it leads to frustration or disaster. The correct jar label size does matter.
If you are struggling to get the accurate label size for your jars and don’t know how to measure the jar label dimensions and sizes? Not to worry. Using a jar label size calculator can do the best job to help you get the exact size that perfectly fits like a glove. This blog can help you get the precise dimensions of jar labels you need for your products.
Jar Labels: What Are They Exactly
Jar labels are small adhesive labels designed to be placed on jars. These labels made from various materials such as paper or vinyl come in various sizes, shapes, and designs. Overall, these labels bring endless customization options to meet branding needs and are versatile and practical tools for identifying, organizing, and elevating the appearance of jars.
What is A Standard Jar Label Size
Usually, there is no standard set for a jar label size. The ideal size depends upon the jar’s dimensions and the amount of information you want to include on the label.
No matter what size you choose, make sure the labels are clear, concise, and breathtaking. After all, the first thing the customers perceive before making a buying decision is the label printed on the jars.
Different Sizes of Jar Labels
The sizes of jar labels depend on the size of the jar. Here are some jar types requiring labels.
- A small jar (approx 100ml) requires a label of 40 mm square
- Medium jar (approx 500ml) requires a 60 mm square label
- A large jar (approx 1L) requires a label of 80 mm square
Understanding the Basics of Jar Label Size
Before we dive into the calculations of jar labels, let's clarify some key terms:
- Diameter: The width of the jar at its widest point.
- Circumference: The distance around the jar.
- Label Height: The vertical dimension of the label.
- Label Width: The horizontal dimension of the label.
The formula for Circumference is:
Circumference = π × Diameter
Where:
π (pi) is a mathematical constant approximately equal to 3.14159
Calculating Jar Label Size and Dimensions Manually in Millimeters
There are easy steps to calculate jar label sizes that can help you find the best size to fulfill your product needs. The materials required to measure the jar label size are:
- Flexible ruler/ caliper
- Pen or pencil
- Regular paper
- Scissor/ paper cutter
- Your product (jar, bottle, container)
Measuring the Jar Diameter
Use a flexible ruler or caliper to measure the diameter of the jar in mm.
Calculate the circumference: Use the formula above to get the circumference.
For instance, if your jar has a diameter of 70mm.
Circumference = 3.14159 × 70 mm ≈ 219.91 mm
Determine Label Height: It depends on the need and design. Keep in mind the factors like the amount of text or graphics you want to include on the jar label.
Calculate Label Width:
- For a full wrap-around label: The width should be slightly less than the circumference to allow for overlap and a clean finish. You might subtract 2-5 mm from the circumference.
- For a partial label: The width will depend on how much of the jar you want to cover.
An Example To Calculate Jar Label Size
Suppose you have a jar with a diameter of 70mm and you want a full wrap-around label.
- Circumference: 219.91 mm
- Label Width: 219.91 mm - 3 mm (overlap) = 216.91 mm (approximately 217 mm)
- Label Height: Let's say you choose 80 mm
The label dimensions will be approximately 217 mm (width) by 80 mm (height). Excellent!
By following these steps and using the formulas, you can easily determine the appropriate sizes for your jar labels in millimeters.
Tips to Get the Accurate Jar Label Measurements
- Use a flexible measuring tape for curved surfaces.
- Make sure the measurements are as precise as possible.
- Consider adding a small margin to avoid error.
To understand the jar label size, a chart can help. Stay here
Jar Label Size Chart
Get the right label sizes for jars, bottles, and tins you use most. Measure your containers before you buy labels. Take a look at the chart below.
Features | Container Size | Rectangle | Square | Round | Oval | Round Label Bottoms |
Apothecary Jars | 8 oz | 1.25" x 9.75 | 1.5" x 1.5" | 1.5" | 1.5" x 2.5" | 3" |
16 oz | 2.25" x 7.75 | 2.5" x 2.5" | 2.5" | 2" x 3-1/3" | 3" | |
Metal Tins | 6 oz | 1" x 4 | 1" x 1" | 1" | 1" x 2" | 1.5" / 2" (Lid) |
8 oz |
1.25" x 9.75" |
1" x 1" | 1" | 1" x 2" | 2" / 2.5" (Lid) | |
Jelly Jars | 8 oz | 1" x 4" | 1" x 1" | 1" | 1" x 2" | 2" |
16 oz | 2.5" x 4" | 2.5" x 2.5" |
2.5" |
2" x 3-1/3" | 1.5" | |
Mason Jars | 4 oz | 1" x 2" | 1" x 1" | 1" | 1" x 2" | 2" |
8 oz | 1.5" x 1.5" | 1.5" x 1.5" | 1.5" | 1.5" x 2.5" | 2" | |
Status Jars | 12 oz | 2.25" x 7.75 | 2" x 2" | 2.5" | 2" x 3-1/3" | 2.5" |
21 oz | 3.25" x 7.75 | 3" x 3" 3.5 | 2.5" | 3" x 5" | 2.5" | |
Straight-Sided Jars | 4.6 oz | 1.5" x 3.75" | 1.5" x 1.5" | 1.5" | 1.5" x 2.5" | 1.5" |
9.3 oz | 2.25" x 7.75 | 2" x 2" | 2.5" | 2" x 3-1/3 | 2" |
The chart is clear to help you understand the dimensions of labels of jars of different types. Read on to sum things up.
Final Note
The measurement of stickers and labels for jars is essential. The jar label size calculator helps you determine the precise dimensions for labels on jars and create perfectly sized labels while ensuring the overall presentation of the product.
Getting the exact label sizes allows you to trim label samples from blank paper to taping. It will be a piece of cake when you get labels in accurate sizes and apply them to the jars, containers, or bottles.
If you need labels and stickers according to your requirements and packaging of any type for your products, say hello to Custom Product Packaging. Drop us a short line at orders@customproductpackaging.com.