CBD Dosage Calculator

“I wish I had a CBD oil Dosage Calculator”, is what we hear a lot. We’d simply like to know how many drops we need to take.

Unsurprisingly, not all CBD oil products have the same potency. With the various potencies and package indications, it can become very confusing, even for math talents.

To be consistent we only indicate the dosage in milligrams. This is an universal unit which is used by all CBD products.

Besides that, the market is flooded with CBD scams and low quality products which you can easily avoid by following our up-to-date Fake CBD Checklist.

CBD % to mg


Oil with 5% CBD in a 10 ml bottle: How many milligrams CBD are in 1 milliliter CBD oil?

1 milliliter = 1 gram = 1000 milligrams of CBD oil.

5% of 1000 milligrams = 0,05 times 1000 = 50 mg of CBD.

A 10 ml bottle contains: 10 times 50 = 500 mg CBD.

Number of Drops

How many mg in a drop of CBD oil?

The amount of milligram in a drop CBD oil depends on the CBD product you use. There are all kinds of CBD products available.

To avoid miscalculating your daily CBD dosage, we have created two calculators. If your package or CBD bottle indicates the amount of CBD in milligrams, you only need the iDWeeds Drops Calculator.

But, often CBD packaging is without a milligram indication and only shows a potency percentage (% CBD). Therefore, you first need to convert to milligrams, using the iDWeeds % to mg Calculator. In addition, you have to calculate the number of drops with the drops calculator.

Factors that influence your CBD dosage

The serving size depends on many factors such as full spectrum hemp oil, broad spectrum and CBD isolate. Full spectrum CBD is more likely to give you the desired effect as the Cannabidiol (CBD) is more effective with the other (CBN, CBG, CBC, THC etc.) naturally present cannabinoids in the hemp plant.

In our Health section we go in-depth per condition by presenting you clear-cut scientific research and anecdotal evidence.

Potential side-effects and body weight should be considered when taking CBD oil. Using CBD with other drugs is not recommended.

The top menu lists almost all medical conditions for which we have studied the CBD interaction. Hence, you can find the recommended serving size for each of these conditions in the relevant articles. If you are treating cancer with cannabis oil, follow the procedures on that page.

Proper CBD dosage

As of yet, the Food and Drug Administration (FDA) has not given any dosage recommendations. It is commonly advised to have a starting point of 20 mg CBD per day. Increase as needed until you get the desired effect. For more details on CBD oil dosage, click here.

right dosage

Can I overdose on CBD?

You can not fatally overdose on CBD. However, there are some potential side effects.

“A lethal cannabis (THC) overdose is impossible because cannabinoid receptors, unlike opioid receptors, are not located in the brainstem areas controlling breathing.” – National Cancer Institute (1)

The quote from above is concerning cannabis, particularly the THC cannabinoid. As we know, CBD lacks the unpleasant side effects a THC overdose induces, so it is safe to experiment with the dosage amount, as you cannot fatally overdose on CBD or any cannabinoid. You might experience some minor side effects from a CBD “overdose”, but nothing major.

However, in combination with medications (drugs) you already take, first consult your medical professional before use. Mixing with other drugs is not recommended, especially drugs that influence your blood pressure. CBD, among many things, regulates blood pressure so you don’t want multiple drugs doing the same thing which can lead to improper blood pressure and heart rate.

Health benefits of CBD calculator

People commonly want to know the CBD dosage for pain, while for severe chronic pain it’s probably best to add some THC in the mix. However, opposite to that, when dosing CBD for anxiety, no THC is needed. The same can be said for the CBD depression dosage as it’s linked with anxiety.

Because everyone is different, you will have to find the proper CBD dose that works for you. It’s greatly appreciated when you share the dose and method of CBD usage that works for you in the relevant medical condition articles.

For example, few people know that the CBD gummies effects are just the same as with oils and tinctures. They are also convenient to calculate your daily dosage. The gummy packages always indicate how many milligrams of CBD there are per gummy.


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