Buy Low Dose Medical Cannabis Capsules Guide
Discover how to safely and effectively buy low dose medical cannabis capsules, with expert advice and essential tips.
The Short Answer
A medical cannabis capsule dosing calculator divides the total milligrams of THC or CBD in your oil by the number of capsules you fill. The result is the dose in each capsule. If your oil is labeled as a percentage, convert it first: 1 mL of a 10% THC oil holds 100 mg of THC. If the label already lists mg/mL, skip that step. Then match the per-capsule number to your target starting dose and adjust the oil volume or the capsule count until the two numbers line up.
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Core formula: total cannabinoid (mg) = oil volume (mL) x cannabinoid per mL (mg). Per-capsule dose (mg) = total cannabinoid (mg) / capsules filled.
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Prerequisites
- A labeled oil, tincture, or concentrate showing THC and CBD as a percentage or as mg/mL
- Empty gelatin or vegetarian capsules in a known size
- A syringe or graduated dropper with mL markings
- A scale that reads to 0.01 g
- A dose log and instructions from your clinician
Steps to Calculate a Capsule Dose
- Write down the THC and CBD concentration printed on the product label.
- Convert a percentage to milligrams per milliliter: multiply the percentage by 10 (10% becomes 100 mg/mL).
- Measure the total volume of oil you plan to use in milliliters.
- Multiply that volume by the mg/mL figure to get total cannabinoid per batch.
- Subtract 12.3% from the THC figure if the oil came from raw flower, since THCA converts to THC at a 0.877 factor.
- Choose your capsule size and read its fill volume from the table below.
- Divide the total cannabinoid milligrams by the number of capsules you will fill.
- Compare the result to your target dose and adjust the oil volume until it matches.
- Weigh three filled capsules to confirm the average matches your calculation.
- Label the batch with mg per capsule, the cannabinoid, and the date.
- Log your first dose and any effect that follows, then raise the dose by no more than 2.5 mg at a time.
Capsule Fill Volumes
- Size 00: about 0.95 mL
- Size 0: about 0.68 mL
- Size 1: about 0.50 mL
- Size 2: about 0.37 mL
- Size 3: about 0.30 mL
- Size 4: about 0.21 mL
Titration Rules
Start at 1 mg to 2.5 mg of THC per capsule if you are new to oral cannabis. Hold that dose for two or three days before you raise it. CBD doses climb faster, often in 5 mg steps, because CBD has a wider margin. Oral THC passes through the liver before it reaches the bloodstream, so an edible-style capsule can feel stronger and last longer than inhaled cannabis at the same milligram count. A dose that reads as 5 mg in a capsule may deliver an effect closer to 15 mg inhaled.
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Where the Math Drifts
Oil density, dead volume in the syringe, uneven mixing, and capsule overfill all push the real dose away from the calculated one. Expect a 5% to 15% spread between capsules you fill by hand. Stir the oil before you draw each syringe load, keep the batch in a cool dark place, and recheck the concentration if you switch to a new product. If you use cannabis for a medical condition, run your final numbers past the clinician who manages that condition before you change a dose.