THCA Microdose Infusions: How to Use the Calculator for Low-MG Batches

Not all infused oils need to be strong. Many people prefer low-mg, microdosed THCA infusions for daytime use, gentle wellness routines, or recipes where subtlety matters. Creating a controlled, low-strength batch isn’t guesswork—you can plan exact potency using THCA percentage, oil volume, and proper conversion math. This guide shows how to design precise microdose infusions using the CannaFuse Potency Calculator.

What Microdosing Means in Cannabis Infusions

Microdosing refers to using very small, consistent amounts of cannabinoids—often 1–3 mg per serving, sometimes even less. While many infused recipes focus on potency, microdose oils prioritize:

• Consistency over intensity
• Predictable, repeatable outcomes
• Everyday usability instead of high-mg servings

To accomplish this, you need accurate planning and a clear method for reducing total potency across a batch.

Why THCA Flower Works Especially Well for Microdose Oils

THCA flower gives you complete control over dosage because you can adjust:

• The THCA percentage (based on the COA)
• The amount of flower you use
• The total oil volume you infuse

This flexibility makes THCA ideal for low-strength oils where you want gentle, reliable results without overpowering effects.

The Core Formula Behind Every Microdose Batch

All microdose planning begins with the same industry-standard conversion:

Total THC = (THCA × 0.877) + Delta-9 THC

The 0.877 factor accounts for the natural loss of weight when THCA becomes THC during decarboxylation.

Once you know the total potential THC, you can scale strength by controlling two variables:

• Use less flower to lower total cannabinoids.
• Use more oil to spread cannabinoids across a larger batch.

These two adjustments allow you to design oils anywhere from under 1 mg per serving to stronger microdose levels.

How to Build a Microdose Batch Using the Calculator

Step 1: Enter the THCA Percentage

Use the number from your flower’s COA. Higher THCA strains can still make very gentle oils by using small amounts of flower.

Step 2: Use a Small Amount of Flower

Most microdose batches start with:

• 0.25 grams
• 0.5 grams
• 1 gram

This keeps total THC low before you dilute it with oil.

Step 3: Increase Oil Volume

Microdose oils typically use larger oil volumes such as:

• 1 cup (240 ml)
• 2 cups (480 ml)

The bigger the batch, the lower the mg per serving.

Step 4: Adjust Serving Size for Precision

The calculator lets you compare mg per:

• Drop
• Teaspoon
• Tablespoon

This lets you design oils you can rely on every time.

Example: Designing a 1–2 mg Microdose Oil

Here’s a simple example:

• Flower: 0.5 g of 25% THCA
• Oil: 1 cup (240 ml)

Using the calculator’s 0.877 conversion and efficiency estimates, this creates a low-mg oil where each serving falls in the gentle microdose range.

Every drop or teaspoon becomes consistent—no surprises between batches.

When Microdose Oils Are Especially Useful

Low-mg infusions are ideal for:

• Light daytime use
• Recipes that need subtle, controlled dosing
• Beginners learning their ideal serving size
• Testing new strains without committing to high potency
• Wellness routines where strength should stay mild and predictable

How to Adjust Microdose Strength Up or Down

The calculator makes it easy to fine-tune your batch:

• Want weaker oil? Increase oil volume or use less flower.
• Want slightly stronger oil? Add a small amount of additional flower or reduce oil volume.
• Want consistency? Use the same inputs each time to repeat your exact batch.

Use the CannaFuse Potency Calculator for Microdose Planning

Whether you’re infusing olive oil, MCT, butter, or creating tinctures, the CannaFuse Potency Calculator helps you design precise microdose batches with confidence.

Open the Potency Calculator

The Bottom Line

Microdose THCA infusions are simple to design once you understand how flower weight, THCA percentage, and oil volume work together. With accurate THC conversion math and a reliable calculator, you can create gentle, low-mg infused oils that feel consistent, approachable, and easy to use across any routine or recipe.