CBD Dosage Calculator
Wondering how much CBD is right for you? This page combines a simple CBD dosage calculator with a clear explanation of how CBD dosing works. Enter your details below for a non-binding guideline in milligrams and drops per day, then read on to understand the factors behind the result. CBD affects everyone differently, so treat every number as a starting point rather than a fixed rule.
CBD Dosage Calculator
Enter your details for a non-binding guideline. CBD affects everyone differently — always start low and build up gradually.
Recommended guideline: CBD per day
That equals roughly with the selected .
Tip: ideally split this across 2 moments in the day (morning and evening).
This calculator provides general orientation and is not medical advice. The ideal amount differs per person. Start low, build up gradually, and consult your doctor first if in doubt or if you use medication.
How does this CBD dosage calculator work?
The calculator turns three simple inputs into an easy-to-read daily guideline. It is not a medical tool — it is a starting point to help you orient yourself before you fine-tune your own routine.
- Body weight — heavier bodies generally need a little more CBD to reach the same relative amount, so weight is used as the base of the estimate.
- Desired strength — choose mild (getting started or light support), medium (everyday use) or strong (for experienced users). This sets how many milligrams per kilogram the calculator applies.
- CBD oil strength — the percentage of CBD in your oil (5% to 30%) determines how much CBD sits in a single drop, so the tool can convert milligrams into a practical number of drops.
The result shows an estimated amount in mg per day and the matching number of drops for the oil strength you selected. Many users find it easiest to split that total across two moments — morning and evening. If you are still choosing a product, you can browse the full range of CBD oil to see which strengths are available.
Which factors influence your CBD dosage?
No calculator can capture everything that affects how CBD feels for you. The amount that suits you depends on a combination of personal factors:
- Body weight — a common starting reference, though it is only one piece of the picture.
- Metabolism — how quickly your body processes substances varies from person to person and can change how a given amount feels.
- Reason for use — people choose CBD for very different everyday reasons, and personal goals influence the amount they settle on.
- Experience level — newcomers usually begin with a modest amount, while experienced users may already know what works for them.
- Product type — oil, CBD flowers and capsules are used differently, so the practical amount and timing differ between them.
Because of these variables, the calculator gives a general guideline rather than a precise prescription. Use it as a sensible anchor and adjust from there.
Start low and build up gradually
The most widely used approach to CBD is titration: start with a low amount, keep it consistent for several days, and only increase slowly if you feel you need to. This step-by-step method helps you find the smallest amount that feels right for you, without overshooting. Give each amount enough time before deciding whether to adjust, and keep a simple note of what you take and when. Our guide on how much CBD oil you should take walks through this principle in more detail, and beginners may also find the comprehensive CBD oil guide for beginners a helpful place to start.
How to take CBD drops
CBD oil is most commonly used sublingually — under the tongue. Place the number of drops under your tongue and hold them there for around 60 seconds before swallowing, which gives the oil time to be absorbed through the lining of the mouth. Using your drops at roughly the same times each day makes it easier to judge how a routine works for you. For a full walkthrough, see our article on how to take CBD oil.
Frequently asked questions about CBD dosage
How much CBD should I take?
There is no single correct amount. A common approach is to start low, stay consistent, and adjust gradually. The calculator above gives a general guideline based on your weight and oil strength, which you can use as a starting point.
Can you take too much CBD?
CBD is generally well tolerated, but more is not necessarily better. It is sensible to stay within the guideline amounts, build up slowly, and consult your doctor if you have any doubts or use medication.
How long until CBD works?
This varies from person to person. Many users prefer to keep a consistent routine for a week or two before deciding whether to change anything, rather than judging it after a single use.
How often per day should I take CBD?
Many people split their daily amount across two moments, typically morning and evening. The calculator suggests this split as well, but you can adapt it to fit your own routine.
Does the calculator replace a doctor?
No. The calculator provides general orientation only and is not medical advice. If you are in doubt, are pregnant, or use medication, consult your doctor before starting.
Which CBD oil strength should I choose?
Lower percentages make it easier to fine-tune small amounts, while higher percentages mean fewer drops for the same amount of CBD. You can compare the options in our CBD oil collection.