The Spice Dictionary · 2026-06-16 · 5 min read
What Is Mesh Size in Spice Grinding? Why It Matters More Than You Think
What Is Mesh Size in Spice Grinding?
When buying a packet of garam masala or chilli powder, most people focus on the ingredients, aroma, or brand. But behind every high-quality spice blend is an often-overlooked quality parameter called mesh size.
Mesh size plays a crucial role in determining how a spice looks, feels, mixes, cooks, and even tastes. It is one of the reasons why two masalas made with the same ingredients can perform differently in the kitchen.
For spice manufacturers, mesh size is not just a production specification—it's a quality standard that helps ensure consistency in every batch.
What Does Mesh Size Mean?
Mesh size refers to the size of the particles after grinding.
After spices are ground, they are passed through a metal sieve or screen. The screen contains a specific number of openings per linear inch.
The number of openings determines the mesh size.
- ✦Higher mesh number = Smaller openings = Finer powder
- ✦Lower mesh number = Larger openings = Coarser particles
In simple terms:
- ✦A spice passing through a 20-mesh screen will be coarser.
- ✦The same spice ground to 60-mesh will have much finer particles.
The exact mesh selected depends on the intended application of the spice.
Why Does Mesh Size Matter?
Many people assume finer powder always means better quality.
In reality, the ideal mesh size depends on how the spice will be used.
The right particle size influences several characteristics of a blended masala.
1. Better Ingredient Distribution
Imagine preparing a garam masala containing ten different spices.
If one ingredient is ground much coarser than the others, it may not distribute evenly throughout the blend.
Some spoonfuls may contain more pepper, while others may contain more coriander.
Maintaining a consistent mesh size helps manufacturers achieve a more uniform blend, ensuring every spoonful delivers a similar flavour profile.
2. Consistent Flavour in Every Batch
A spice blend is designed to deliver the same taste every time.
Uniform particle size helps reduce ingredient segregation during blending, packaging, transportation, and storage.
This is especially important for restaurants, food manufacturers, and commercial kitchens where consistency is critical.
3. Aroma Release During Cooking
Grinding increases the surface area of spices.
A finer particle generally releases its aroma more quickly when it comes into contact with heat or oil.
Coarser particles release flavour more gradually.
Manufacturers select the appropriate mesh size depending on how the spice blend is expected to perform during cooking.
4. Texture of the Finished Dish
Mesh size also affects the mouthfeel of food.
For example:
- ✦Smooth gravies often require finely ground masalas.
- ✦Dry spice rubs may benefit from slightly coarser particles.
- ✦Seasonings intended for sprinkling are developed with particle sizes suitable for even coating.
Choosing the right mesh size helps create the desired eating experience.
5. Visual Appearance
Consumers often associate a smooth, uniform powder with quality.
An inconsistent grind can make a spice blend appear uneven, with visible coarse particles mixed with fine powder.
While appearance alone does not determine quality, maintaining a consistent particle size contributes to a professional-looking product.
Is Finer Always Better?
Not necessarily.
Different spice blends require different particle sizes depending on their intended use.
For example:
Fine Grinding
Often preferred for:
- ✦Curry powders
- ✦Garam Masala
- ✦Kitchen King Masala
- ✦Gravy preparations
- ✦Instant spice blends
Fine particles disperse quickly and mix smoothly into sauces and gravies.
Medium Grinding
Commonly used for:
- ✦Chole Masala
- ✦Biryani Masala
- ✦Meat Masala
- ✦Dry vegetable masalas
These blends provide balanced flavour release while retaining some texture.
Coarse Grinding
Often selected for:
- ✦Pepper blends
- ✦Marinades
- ✦Barbecue rubs
- ✦Specialty spice mixes
Larger particles release flavour more slowly and create a different sensory experience.
The ideal mesh size always depends on the recipe and intended application rather than on a single "best" standard.
How Do Manufacturers Control Mesh Size?
Maintaining a consistent grind requires careful process control.
Manufacturers typically monitor:
- ✦Grinding equipment performance
- ✦Screen or sieve selection
- ✦Particle size distribution
- ✦Moisture levels before grinding
- ✦Batch-to-batch consistency
- ✦Final quality inspections
These checks help ensure that every production batch meets the desired specification.
Mesh Size and Blended Masalas
For blended masalas, mesh size becomes even more important because multiple spices must work together as a single product.
If one ingredient is significantly finer or coarser than the rest, the blend may separate during handling, leading to inconsistent flavour in different portions of the pack.
Uniform grinding improves:
- ✦Blend homogeneity
- ✦Ingredient distribution
- ✦Packaging consistency
- ✦Cooking performance
- ✦Consumer experience
This is one of the reasons reputable manufacturers pay close attention to grinding specifications.
Industry Insight: Mesh Size Is One Part of a Larger Quality System
While mesh size is important, it is only one of several quality parameters evaluated during spice manufacturing.
Other factors include:
- ✦Moisture content
- ✦Volatile oil retention
- ✦Raw material quality
- ✦Particle size distribution
- ✦Aroma profile
- ✦Colour consistency
- ✦Batch-to-batch consistency
Together, these parameters help manufacturers produce spice blends that perform consistently over time.
Key Terminologies
Mesh Size
The number of openings per linear inch in a sieve used to classify the particle size of ground spices.
Particle Size
The size of individual spice particles after grinding.
Particle Size Distribution
The range and proportion of different particle sizes present within a spice powder.
Blend Homogeneity
The degree to which all ingredients are evenly distributed throughout a spice blend.
Batch-to-Batch Consistency
The ability to produce multiple batches of a spice blend with similar appearance, aroma, texture, and flavour.
Key Takeaways
- ✦Mesh size determines how fine or coarse a spice powder is after grinding.
- ✦The correct mesh size depends on the intended culinary application.
- ✦Uniform grinding improves blending, flavour consistency, texture, and appearance.
- ✦Fine grinding is not always better; different spice blends require different particle sizes.
Mesh size works alongside other quality parameters such as moisture, volatile oil, and particle size distribution to ensure a consistent blended masala.
For additional information on spice processing and quality standards, refer to:
This article should internally link to future glossary pages on Particle Size Distribution, Volatile Oil (VO), Cryogenic Grinding, Cold Grinding, Blend Homogeneity, and Batch-to-Batch Consistency. Together, these articles form a highly interconnected technical knowledge hub that can attract not only home cooks but also chefs, HORECA buyers, food manufacturers, procurement professionals, and students of food technology.
Sources & further reading
Taste the difference in your own kitchen.
Explore the Rainbow Masala range — blends crafted with the same care this article describes — or try one of our recipes.

