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Dosage Guide

CBD Dosage Calculator: How Much CBD Should I Take?

The optimal dose of CBD depends on

Your Weight and the Potency of the Oil

Learn how to find the perfect dose using our CBD dosage calculator.

Everybody’s been talking about CBD oil and its long list of health benefits. You’ve shopped around and found a high-quality CBD oil to start yourself off with and you’re ready to get started.

So now what? How much do I take? Can I take too much?

 

In this article, we’re going to talk about dosing CBD oil. We’ll cover how dosing can vary depending on factors like weight, age, the condition you’re treating, the potency of the oil you’re using, and more.

You’ll learn how to find the best dose for your body, and what to do if you experience side effects. 

To make dosing as easy as possible, you can also use our CBD oil dosage calculator — which estimates your optimal dose based on your weight, desired strength, and potency of the CBD oil you’re using. 

What’s the Normal Dose of CBD?

We are all different.

The most common dose of CBD is 20 – 40 mg per dose. Some people take much less (as low as 1 mg), others take much higher (up to 100 mg).

Depending on the strength of the product you’re using, this could be anywhere from a few drops to several milliliters of oil. It could also involve anywhere from 1 – 5 capsules or gummies per dose.

The truth is that the optimal dose of CBD is different for everybody.

It’s common for two people with identical weight to respond very differently to the same dose of CBD. One person may find the ideal dose for them is 30 mg of CBD, while the other responds better to just 10 mg.

The ideal dose of CBD for you depends on a variety of factors, including:

Your size and weightThe severity of the condition you’re treatingYour tolerance to CBDYour individual body chemistryThe potency of the CBD oil, capsules, gummies, or other CBD products you’re using

The best way to find the right dose for your body is to start with a very low dose (2 mg, for example) and increasing by 2-5 mg per dose until you find what works best for you.

CBD Dosage For Anxiety

The effective dose of CBD oil for anxiety or chronic stress usually falls on the moderate to heavy range of the spectrum. However, some people with anxiety disorders find they’re especially sensitive to CBD may only need a small dose. When using CBD oil to manage anxiety levels, it’s best to start with a mild dose first to see how you respond. If you don’t see any improvement, move up to the moderate dosage next. Most people notice improvement with the moderate or heavy dosage according to their weight. For best results, take CBD oil first thing in the morning, and repeat around lunch time. Many people will take a mild “booster dose” about 30 to 60 minutes before engaging in activities that trigger their anxiety.

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CBD Dosage For Pain

The dose of CBD oil for pain can vary significantly. For mild pain, such as low-grade arthritis or low back pain — a mild or moderate dose of CBD oil will usually do the trick. For more severe pain or nerve pain— you’ll likely need to use a heavy dose of CBD oil. Some people experience the painkilling benefits of CBD oil immediately, others need to take the oil for a few days or weeks before noticing any improvement. The time it takes to notice improvement depends on the underlying condition that’s causing the pain. Inflammatory pain or pain from endometriosis can take a long time — while arthritis pain, digestive pain and muscle pain usually improve within a few hours of taking CBD oil. For joint pain, you can get faster effects by using a CBD pain cream alongside your CBD oil.

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CBD Dosage For Sleep

CBD oil has been shown to improve both the quality and duration of sleep — but studies have shown the effective dose of CBD oil for sleep is higher than other conditions. Aim for the heavy dose of CBD oil if the goal is to improve your sleep. Low doses of CBD (less than 10 mg) can have a stimulating effect, while higher doses (20 mg or higher) are generally much more sedative. The more CBD oil you use, the stronger the sedative effect. Certain types of CBD extracts also tend to have a stronger impact on sleep. For example, CBD oils that contain sleep-supportive terpenes such as linalool, bisabolol, lavandin, or myrcene have the strongest sedative action. You can also find CBD oils that contain melatonin to make the oil even better for promoting sleep.

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CBD Dosage For Depression

CBD oil is useful for managing symptoms of many mood disorders — including depression. Finding the right dose of CBD oil for depression can take some trial and error. The underlying processes that cause depression don’t happen overnight, and they won’t disappear overnight either. It can take several weeks or months of steady CBD oil supplementation — along with other lifestyle modifications — before you can expect any real improvement. It’s best to start with a mild or moderate dosage of CBD oil for a few weeks before graduating to the heavy dose once you understand how CBD affects your body individually.

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How This Calculator Works

Calculating the Dose of CBD Based on Your Weight

While the dose of CBD is unique for everybody, there is a general rule of thumb that can be used to determine an estimated dose based on your weight and the strength of effects you’re looking for (low, medium, and high strength).

Our dosage calculator is based on the calculations listed below. These doses are estimates and should not be used to replace professional medical advice regarding dosage.

We recommend you start with the low-strength dose when using CBD for the first time and increase the dose slowly over time. When you find a dose that works, you’ve found the right dose for your body. If you experience side effects, you’ve found your upper limit. Reduce the dose to the last amount that didn’t produce side effects.

Calculating the Dose of CBD By Weight & Strength:
Low strength → 1 mg CBD per 10 pounds (2 mg per 10 kg)

Medium strength → 3 mg CBD per 10 pounds (7 mg per 10 kg)

High strength → 6 mg CBD per 10 pounds (13 mg per 10 kg)

It’s important to note that this measurement is in pure CBD, not CBD oil.

We’ll go over calculating how much CBD oil this dose works out to later on. Once you know how much CBD you should be using, you can find the equivalent amount of CBD oil depending on the potency of the oil you’re using.

What CBD Strength Should I Use?

The more CBD you take, the stronger the effects. Some conditions require relatively strong CBD doses to offer any benefit — others may only need a low strength to provide notable results. Ask yourself, “what am I using CBD oil for?”

This is an important question to ask because it will guide you in the direction of the right dose to take.

Recommended Strength by Condition
Anxiety → medium to high strength
Chronic pain → medium to high strength
Inflammatory→ medium to high strength
General health → low strength High blood pressure → medium to high strength
Migraine headaches → low to high strength
Muscle recovery → low to medium strength
Nausea → low to medium strength
Insomnia → medium to high strength

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Dosing CBD: 4 Steps to Finding the Perfect Dose of CBD Oil

The easiest way to find your optimal dose of CBD is to use the CBD dose calculator above to identify your “low strength” dose for your weight. Alternatively, you can use the calculations listed above to find the dosages based on your weight manually.

From here, you can gradually increase the dose each day until you find relief from symptoms or experience side effects (usually fatigue or grogginess). If you experience side effects, reduce the next dose to the last amount that didn’t cause any negative effects.

Never start at the high strength if you‘ve never used CBD oil before.

If you want to get even more accurate with your dosing, follow the four steps below.

Step 1: Find Your Optimal CBD Dose

Here’s the General Rule of Thumb for CBD Dosing According to Weight & Strength: 

Weight Metric : Imperial (pounds)
Low Strength - 1 mg  every 10 lbs (0.1 mg/lb)
Medium Strength - 3 mg every 10 lbs (0.3 mg/lb)
High Strength - 6 mg every 10 lbs (0.6 mg/lb)

Weight Metric : Metric (kilograms)
Low Strength - 2 mg every 10 kg (0.2 mg/kg)
Medium Strength - 7 mg every 10 kg (0.7 mg/kg)
High Strength - 13 mg every 10 kg (1.3 mg/kg)


How To Calculate Dose From Your Weight

[YOUR WEIGHT IN KG] x [DESIRED STRENGTH (0.2, 0.7, 1.3 mg)] = [YOUR DOSE IN MG CBD]


Here’s an example of this in practice:

Let’s say you’re a 170-pound male, and you’re looking for a medium strength dose.

All you need to do is multiply your total weight (170 pounds) by the desired dose equivalent (0.3 mg per pound for medium strength).

[170] x [0.3 mg] = 51 mg CBD

So a good starting dose for you would be about 51 mg CBD per day in this case.

How much CBD oil is this? Next, you need to figure out how much CBD oil you’ll need to achieve this dose. You can measure this in drops or milliliters of oil.

Step 2: Determine the Potency of Your CBD Oil

The potency of the oil you’re using has a direct impact on the amount you’ll need to reach the optimal dosage.

For example, a high-strength CBD oil containing 1500 mg of CBD per ounce will require ten times less oil to reach a given dose of CBD than a low-potency oil with just 150 mg per ounce.

You’ll need to know how much CBD is provided in every milliliter of oil.

Sometimes the manufacturers will make this super easy for you and tell you the concentration of CBD per mL of oil directly on the bottle. Other times, this information isn’t provided, but the formula to find the concentration of an oil is very simple to do yourself.

Here’s What You Need to Take Into Account:
Bottle size (in mL)
Amount of CBD listed on the bottle (300 mg, 600 mg, 1000 mg, etc.)

Use This Formula to Calculate Potency:

[CBD IN MG] ÷ [BOTTLE SIZE IN ML] = [CBD IN MG/ML]

Let’s use an example.

Royal CBD makes a hemp oil that advertises 600 mg per bottle. The bottle size is 1 ounce (30 mL).

Let’s put this into our formula:

[600 MG] ÷ [30 ML] = [20 MG/ML CBD].

Our Answer: 20 mg CBD for every 1 mL of liquid.

Now that you know how potent the oil is, you can determine how much you need to get a specific dose.

For example, if you want a dose of 20 mg CBD, take 1 milliliter of oil — which conveniently works out to one full dropper. If you want 10 mg, take half a dropper. For 30 mg, take one and a half droppers, and so on.

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