By now, it’s well known that cannabidiol (CBD) and tetrahydrocannabinol (THC) work best when used together. But in order to reap the full benefits of the CBD:THC combination, you need to use these cannabinoids in the right ratio.
While the 1:1 CBD:THC ratio is well-known for the balanced head high effect it gives, ratios like 4:1 and 10:1 CBD:THC produce milder highs and stronger physical effects for people who want the therapeutic benefits without as many psychoactive feelings.
In this article, we’re going to cover everything you need to know about CBD:THC ratios, from popular ratios to the best CBD:THC ratios for pain, anxiety, and sleep.
CBD vs. THC: What’s the Difference
CBD (cannabidiol) and THC (tetrahydrocannabinol) are the two most well-known cannabinoids found in cannabis and hemp plants. While they share a similar chemical structure, they affect the body in different ways.
What Is THC?
THC is intoxicating. It’s the compound responsible for the euphoric “high” associated with cannabis. It’s commonly used for physical comfort, appetite support, and relaxation, but at higher doses, it can sometimes cause anxiety or mental fog in sensitive individuals.
What Is CBD?
CBD, on the other hand, is non-intoxicating. It does not produce a high and is commonly chosen for stress support, balance, and general wellness. Many people find that CBD helps soften or moderate the more intense effects of THC.
When used together in specific CBD:THC ratios, these cannabinoids may work synergistically – meaning the combination can feel different than either compound alone.
What’s a CBD:THC Ratio?
A CBD:THC ratio is a ratio between how much CBD and THC are in a cannabis product, be it in a flower strain, gummies, or a tincture.
CBD:THC ratios control the type of effects you feel, dosage you take controls the intensity of these effects.
The reason CBD comes first in the ratios is that generally, you’ll want to experiment with taking different amounts of CBD along with a set amount of THC.
CBD won’t get you high and tends to have a balancing effect on THC; the purpose of using CBD with THC is often to dampen the high from THC while increasing its therapeutic benefits.
How Do You Calculate a CBD:THC Ratio?
Calculating a CBD:THC ratio is simpler than it sounds. The ratio represents how much CBD is present compared to THC in a product, based on milligrams.
To determine the ratio, divide the amount of CBD (in milligrams) by the amount of THC.
For example:
- 20mg CBD and 10mg THC = 2:1 CBD:THC ratio
- 40mg CBD and 10mg THC = 4:1 CBD:THC ratio
- 50mg CBD and 5mg THC = 10:1 CBD:THC ratio
- 10mg CBD and 10mg THC = 1:1 CBD:THC ratio
Benefits of Taking CBD and THC Together
Essentially, taking CBD and THC together provides more benefits than taking either cannabinoid by itself. Adding CBD to THC reduces its potentially anxiety- and paranoia-inducing properties while increasing its therapeutic benefits.
This idea is often explained by the entourage effect – a theory suggesting that cannabinoids and other compounds in hemp may work more effectively together than when used on their own.
Research suggests there may be benefits to using cannabinoids together.
A 2011 research review found that using cannabinoids and terpenes in combination may be beneficial for pain, anxiety, inflammation, epilepsy, cancer, and fungal infection [1].
However, a 2023 clinical trial found that CBD had no effects on the potentially addictive properties of THC [2].
This suggests that CBD may be beneficial when added to THC in many, but not all, instances.
Research and anecdotal evidence suggest several possible benefits to using CBD and THC together:
- Greater therapeutic benefits: CBD and THC overlap in areas like pain and sleep, but they also play different roles – CBD is commonly used for anxiety and epilepsy, while THC is often used for appetite and physical comfort.
- Fewer side effects from THC: Adding CBD to THC may help reduce anxiety-prone effects and create a more relaxed, body-focused experience.
- Improved circulation & absorption of both cannabinoids: Research suggests that your body may interact better with CBD and THC if they’re used together [3]. Anecdotally, most people report that using CBD and THC together leads to increased absorption; one idea that’s been explored is that CBD may slow your body’s metabolism of THC, allowing it to produce stronger effects.
Common CBD:THC Ratios and Their Effects
While the 1:1 CBD:THC ratio is the one you’ll most commonly find products, there are unique benefits to be had at many different ratios. Here are the most common:
1:1 CBD:THC
The 1:1 ratio is designed to create an intoxicating experience, but with fewer of THC’s potentially undesirable side effects.
This blend will give you an effect that is very noticeably euphoric, but you’re less likely to feel things like paranoia and anxiety – and you’ll therapeutically benefit from the addition to CBD.
While not as powerful as pure THC (0:1), a 1:1 CBD:THC ratio is still best left to those who are already comfortable with the head high. If you aren’t, opt for a higher-CBD ratio.
2:1 CBD:THC
The 2:1 CBD:THC ratio creates effects similar to the 1:1 ratio, but with a weaker head high.
While the psychoactive effects will still be noticeable, the overall experience will be body-focused. This makes the 2:1 ratio ideal for supporting physical comfort.
4:1 CBD:THC
If the main reason you’re using THC is for the therapeutic support it offers – rather than the head effects – a 4:1 CBD:THC ratio might be what you’re looking for.
You’ll feel a little bit lifted, but mainly, you’ll feel physically and mentally relaxed.
5:1 CBD:THC
A 5:1 ratio offers mild intoxicating effects with stronger body-focused relaxation. This is often chosen by people easing into THC or those who want noticeable benefits without a strong head high.
10:1 CBD:THC
A 10:1 ratio of CBD to THC is perfect if you don’t want to feel any sort of high but want to experience the entourage effect in action: the elevated therapeutic benefits from adding THC to CBD.
20:1 CBD:THC
A 20:1 CBD:THC ratio contains a very small amount of THC relative to CBD. Most people report little to no intoxicating effects. This ratio is often chosen by those who are highly sensitive to THC or who want primarily CBD’s calming, clear-headed support while still benefiting from trace THC.
1:2 CBD:THC
Here, THC begins to dominate. Psychoactive effects become stronger, and CBD plays more of a moderating role. This ratio is generally preferred by those comfortable with THC.
1:5 or Higher THC-Dominant Ratios
These blends are primarily THC-driven, with CBD present in smaller amounts. Expect more pronounced intoxicating effects. Typically chosen by experienced users seeking stronger effects.
What Each CBD:THC Ratio Is Best For
| CBD:THC Ratio | Intoxicating Effects | Commonly Used For |
| 1:1 | Noticeable but balanced | Pain, sleep support, evening use |
| 2:1 | Mild intoxicating effects | Physical comfort, relaxation, winding down |
| 4:1 | Very mild | Daytime use, physical tension, stress |
| 10:1 | Minimal to none | Stress support, daily balance, THC sensitivity |
| >10:1 | None | Full-spectrum CBD benefits with trace THC |
| 20:1 | None | THC sensitivity, daytime balance |
| 1:2 | Strong | Experienced users seeking more noticeable effects |
| 1:5+ | High | THC-dominant experience |
What’s the Best CBD:THC Ratio for Pain?
High-THC ratios are best for pain, as THC is able to promote physical comfort while also creating a head high that may provide some distraction from the discomfort.
We recommend a 1:1 CBD:THC ratio for pain, or a 2:1 ratio for a milder head effect. Depending on your situation, you may also prefer a THC-dominant ratio like 1:2 or 1:3 CBD:THC.
What’s the Best CBD:THC Ratio for Anxiety?
High-CBD ratios are best for anxiety and stress, as large amounts of THC may cause anxiety, rather than promote mental relaxation.
We recommend a 10:1 CBD:THC ratio – or, a full-spectrum CBD product – for anxiety.
What’s the Best CBD:THC Ratio for Sleep?
For sleep, a balanced ratio of CBD:THC – or one leaning slightly toward CBD – can promote strong mental and physical relaxation.
We recommend a 1:1 or 2:1 CBD:THC ratio for sleep and nighttime use.
What’s the Best CBD Ratio for Beginners?
If you’re new to THC, starting with a higher-CBD ratio is often more comfortable. A 10:1 or 5:1 CBD:THC ratio typically produces minimal intoxicating effects while still allowing you to gauge your response.
Once you understand your tolerance, you can gradually move toward 4:1 or 2:1 if desired.
What’s the Best CBD:THC Ratio for Daytime Use?
For daytime balance, many people prefer CBD-leaning blends. Ratios like 10:1, 5:1, or 4:1 may provide relaxation while helping you remain clear-headed and functional.
What’s the Best CBD:THC Ratio for Relaxation?
For noticeable relaxation, balanced ratios like 2:1 or 1:1 are commonly used. These provide both body-focused effects and mental calm.
If 1:1 feels too strong, stepping back to 4:1 or 5:1 may offer a softer experience.
What’s the Best CBD:THC Ratio for Focus?
If you’re looking for balance without feeling distracted, higher-CBD ratios like 10:1, 5:1, or 4:1 are commonly used. These blends may help promote calm while keeping intoxicating effects minimal.
For some people, even a small increase in THC can feel mentally foggy, so starting on the CBD-dominant side is often preferred for focus.
What’s the Best CBD:THC Ratio for Appetite?
THC is commonly associated with increased appetite, so balanced or THC-rich ratios are often used. A 1:1 CBD:THC ratio is a common starting point. Those comfortable with stronger effects may explore 1:2 or THC-dominant blends.
What’s the Best Ratio for Stronger Effects?
People often search for “strongest CBD THC ratio.” THC-rich blends such as 1:1, 1:2, or 1:5+ are typically explored by those comfortable with intoxicating effects. As THC increases, intoxicating effects become more pronounced.
CBD:THC Ratio Calculator
- Select your desired CBD:THC ratio.
- Input your desired CBD, THC, or total dose.
- The other blanks will fill in your CBD, THC, or total doses in mg.
How to Find the Best CBD:THC Ratio for You
Finding the right CBD:THC ratio is a personal process. A few factors can help narrow down what’s likely to work best:
- Your sensitivity to THC: If you’re new to THC or tend to feel overwhelmed by its effects, higher-CBD ratios are often a better place to start.
- Desired level of intoxication: Ratios determine how noticeable the intoxicating effects feel, while dosage controls how intense they are.
- Primary goal: Some ratios are chosen for physical comfort, others for relaxation, stress support, or sleep.
- Tracking your response: Jotting down how each ratio feels, along with the dose you used, can make it easier to spot patterns over time.
Common Mistakes When Choosing a CBD:THC Ratio
Choosing the right CBD:THC ratio isn’t just about picking a number. Many people make simple mistakes that lead to experiences that feel too strong, too mild, or simply not aligned with their goals.
Focusing Only on Percentage
It’s easy to assume that THC percentage tells you everything you need to know. But THC percentage alone doesn’t explain how a product will feel.
Confusing Ratio With Strength
The ratio determines the type of effect. The dosage determines the intensity. For example, a 1:1 ratio at 5mg total cannabinoids will feel much milder than a 1:1 ratio at 40mg total – even though the ratio is the same. If the effect feels too strong or too mild, adjusting your dose may be more effective than changing the ratio.
Starting With Too Much THC
If you’re new to THC, jumping straight to a balanced or THC-dominant ratio like 1:1 or 1:2 can feel overwhelming. Beginning with a CBD-rich ratio such as 10:1, 5:1, or 4:1 allows you to gauge your comfort level before moving toward more THC-heavy blends.
Assuming There’s a Perfect Ratio
There isn’t a universal best CBD:THC ratio. What works for one person may not work for another. Your ideal ratio depends on your comfort level with THC, your goals, and how your body responds. It may also change over time.
Ignoring Product Type
A 2:1 ratio in an edible may feel different from a 2:1 ratio in flower or a tincture because onset time and duration vary. The ratio remains the same, but how quickly it starts and how long it lasts can change the overall experience.
High-CBD, High-THC, and Balanced Strains
If you’ve decided to find a cannabis or hemp strain with your preferred CBD:THC ratio, here are some ideas to get you started.
High-CBD strains:
- Harlequin
- ACDC
- Sour Tsunami
- Sour Diesel
- Ringo’s Gift
High-THC strains:
- Gelato
- Apple Fritter
- Cereal Milk
- Animal Mints
- OGKB
Balanced strains:
- Pennywise
- Cannatonic
- Sweet and Sour Widow
- Royal Highness
- Shark Shock
Conclusion: Choosing the Right CBD:THC Ratio for You
Finding the CBD:THC ratio that works best comes down to understanding the type of effects you want – the intensity of these effects can then be controlled by the size of the dose you take.
High-CBD ratios are commonly chosen for mental relaxation, providing a light sense of ease without an intense high. In contrast, higher-THC blends are often used for physical discomfort, where THC can offer deeper body-focused relaxation.
No matter where you start, finding the right balance often involves adjusting both your ratio and dosage over time.
Learn more:
If you’re ready to explore different CBD:THC ratios for yourself, Natural Ways CBD offers a range of full-spectrum products designed to make it easier to find the balance that works for you.
CBD:THC Ratio: Frequently Asked Questions
Here are some questions our customers frequently ask us about CBD:THC ratios.
What is the golden ratio of CBD to THC?
While there is no best CBD:THC ratio, one of the most popular is 1:1 CBD:THC, which renders a noticeable head high, but without anxiety or paranoia – and the additional therapeutic benefits of CBD.
Does CBD make THC stronger?
CBD may increase THC’s physically relaxing properties, but it tends to reduce THC’s inebriating effects.
What is the right ratio for CBD?
1:1 CBD:THC and 10:1 CBD:THC are some of the most commonly-used ratios for recreational and therapeutic use, respectively.
What are the benefits of high CBD and low THC?
High-CBD, low-THC ratios are most commonly used for anxiety and stress. These blends may promote mental relaxation, but with a bit of euphoria from THC.
Is 5mg of THC and 5mg of CBD a lot?
5mg of THC and 5mg of CBD is generally considered a moderate dose, especially for beginners, and may produce noticeable effects.
Sources
[1] Russo, Ethan B. “Taming THC: potential cannabis synergy and phytocannabinoid-terpenoid entourage effects.” British journal of pharmacology vol. 163,7 (2011): 1344-64. doi:10.1111/j.1476-5381.2011.01238.x
[2] Oliver, Dominic et al. “Cannabidiol does not attenuate acute delta-9-tetrahydrocannabinol-induced attentional bias in healthy volunteers: A randomised, double-blind, cross-over study.” Addiction (Abingdon, England) vol. 119,2 (2024): 322-333. doi:10.1111/add.16353
[3] Boggs, Douglas L et al. “Clinical and Preclinical Evidence for Functional Interactions of Cannabidiol and Δ9-Tetrahydrocannabinol.” Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology vol. 43,1 (2018): 142-154. doi:10.1038/npp.2017.209
