Online Fragrance Calculator - Total Content Method (2025)

This online calculator works out the mass of wax and fragrance required for a single candle and a batch of candles. It calculates fragrance relative to the overall fill mass of the vessel.

Calculate now the amount of fragrance and base needed for your product

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Candle Shack Fragrances

Are your fragrances safe, vegan and paraben free?

All of our fragrance oils are vegan friendly, cruelty free and paraben free.

Please refer to the SDS for each fragrance for information on phthalates.

Please refer to the PDF files at the bottom of every fragrance page for the SDS, IFRA and Allergen Declarations.

There are also template labels available for candles, diffusers and melts. These templates show all of the information youmusthave on your product.

Are your fragrances safe for pets?

Our fragrances have been created in line with IFRA standards, which are there to ensure the safe use of fragrances ingredients, however; IFRA’s standards are aimed at humans, and they do not produce standards regarding the safety of suitability of fragrance ingredients in relation to pets. We recommend contacting a veterinarian with any concerns or for advice.

AN OIL I’M USING SAYS ‘SUSPECTED OF DAMAGING FERTILITY OF THE UNBORN CHILD (EXPOSURE ROUTE). IS IT SAFE FOR USE IN CANDLES?

Some of our fragrances do carry this hazard in their raw form. Once diluted, this hazard is no longer applicable. If ever in doubt, check the 8% or 10% SDS that is available via the website for hazards applicable to your candles or wax melts. In any case, we recommend using the appropriate PPE when handling ALL fragrances.

Fragrances

What is the difference between fragrance oils and essential oils?

Essential oils are made from natural ingredients using processes such as steam distillation and solvent extraction. The intention is to capture the "essence" of the plants.

Fragrance oils are made from synthetic fragrance molecules. Although they are man-made, many synthetic molecules are identical to molecules found in nature, but many more are designed by fragrance chemists to give specific aromas that can be used to produce unique and novel fragrance oils.

Both essential oils and fragrance oils are blends of many different types of fragrance molecules.

What are nature-derived fragrances?

Nature-derived fragrances are complex compounds, derived from natural aromatics extracted from natureincluding trees, plants, and flowers, that also include a small amount of replicated natural accords harnessed without harming the environment.

These natural accords are processed from natural sources by physical or biotechnical procedures to harness the ingredients and consist of materials that can be physically isolated from plants through distillation expression and extraction.

Nature-derived materials can be extracted from plants - one oil can have several different isolates from several plants.

How much fragrance should I use?

Essential oils can have different viscosity than fragrance oils as they are made from natural ingredients, while fragrance oils mainly contain synthetic components. As natural oils tend to be more viscous, we recommend using them at a lower ratio.

If you are looking to make a candle using essential oils, we advise testing your candles with 6-8% oil, while 15% would be a good starting point for your diffusers, subject to any IFRA or CLP restrictions.

If you prefer fragrance oils, you can start testing your candles with 8-10% but you can add up to 14% in some plant waxes, and our recommended diffuser ratio is 15-20% subject to any IFRA or CLP restrictions.

Please always check the IFRA conformity certificate on the product page for each essential oil or fragrance oil, as all oils have maximum permitted percentages for candles, diffusers and rom sprays under IFRA/CLP guidelines.

For concentrated fragrance oils, you can use a lower percentage of oil and still get excellent cold and hot throw. Depending on your wax, our recommended ratio is 3-5% for candles, whilst with diffusers we would advise you to start testing with 8-10%.

What wick should I use with my fragrance?

The choice of wick will depend on which wax is being used. LX or TG wicks work well with mineral waxes. Stabilo, CL, V, TB, ECO or PGS wicks can be used with mineral or vegetable blends, while VRL wicks are suited to blends containing a high percentage of plant wax.

Overwicking can cause larger flames which can then form larger melt pools and generate more soot. Overwicking is the term used to describe the use of a larger wick than necessary for a particular candle.

CLP

What is CLP?

CLP is an EU and UK regulation which requires hazardous chemicals to be classified, labelled and packaged accordingly to ensure a high level of protection for consumers, workers and the environment.

Is CLP LABEL DESIGN tool free?

Yes! We know how difficult and time-consuming adhering to CLP regulations can be. As such, we designed this tool to help you quickly get an accurate label at the click of a few buttons.

Can I access CLP DESIGN TOOL on mobile?

Ithas been specifically designed for desktop devices and isoptimised for Chrome and Microsoft Edge Internet browsers.

What fragrance oils are included?

All Candle Shack fragrance and natural oils havebeen included.

What type of products can I generate CLP labels for?

This tool can generate labels for Candles (10%), Candles (8%), Candles (6%), Diffusers (15% in Augeo), Diffusers (20% in Augeo), and Room Sprays (5% in non-hazardous base).

What if some of the label templates are missing?

If you can't find the CLP label you are looking for, please check the fragrance description and Safety Data Sheets, as it may be the case that there is no CLP requirement at the chosen scent content or the fragrance can't be used above a certain percentage.

Can this tool be used for custom bases, scent contents or sizes?

At the moment our CLP Design Tool can only be used to generate the labels mentioned above, however, we do offer services forcustom SDSandCLP labelsusing Candle Shack oils orcustom essential oil blends.

Can this tool generate CLP labels in other languages?

You can design your CLP labels in 24 different languages: English, Bulgarian, Czech, Danish, Dutch, Estonian, Finnish, French, German, Greek, Hungarian, Irish, Italian, Latvian, Lithuanian, Maltese, Norwegian, Polish, Portuguese, Romanian, Slovak, Slovenian, Spanish and Swedish.

Will 60mm labels fit on all Candle Shack containers?

Yes, they will. You can use this size of label for all Candle Shack containersapart from 9cl.

What mass/volume information should I include in my CLP label?

You should always include NET weight. This is the weight of wax and fragrance, excluding the weight of the container.

Can I combine CLP label with safety information using this tool?

Yes, you can! If you choose to do so, pictograms on the left are mandatory. Pictogramson the right-optional, and can be chosen if they are relevant to the product. Please select the maximum of 5 safety pictograms.

Once I finished designing my labels where can I print them?

We recommend usingPRINTED.COM. They offer great prices and fast delivery service.

Online Fragrance Calculator - Total Content Method (2025)

FAQs

How to calculate fragrance load? ›

We simply explain it as the ratio of fragrance oil to the weight of your wax. Yes, 30g is 10% of 300g, but it's not 10% of the wax weight, which is what you need. A 10% scent load of 300g would actually be 30g of fragrance oil added to 300g of wax, making your finish product weight 330g.

How much is 10% fragrance load? ›

The 'fragrance load' or fragrance % is the manufacturers recommended maximum amount of fragrance that a particular wax can retain. For example, if you are making a 16 oz. candle with a wax that has a maximum 10% fragrance load, you could add up to 1.6 oz.

What is a 12% fragrance load? ›

Most waxes have a 12% maximum fragrance load or approximately 2 oz. per pound. A typical amount is about 6% or 1 ounce per pound. Be sure to check the product page for the wax you will be using to find out the maximum fragrance percentage that it can hold.

How much scent to put in candles? ›

Calculating the percentage of fragrance to use

Most waxes will hold no more than 12% of fragrance oil however to assure the candle stability is not compromised we advise using 10% fragrance oil for optimal scent throw. This means if your candle is 100g in total- 90g should be wax and 10g would be your fragrance oil.

Is 10% fragrance load too much? ›

The recommended fragrance load for a soy wax candle is generally between 5% to 10% of the weight of the wax used in the candle. However, some blended waxes like coconut soy wax can usually take up to 12% (which will usually give a very strong scent throw).

What is the difference between fragrance load and content? ›

Fragrance load — fragrance load is a term that indicates the percentage of fragrance you will need, in correlation to the amount of wax you will be using. Fragrance load is always expressed as a percentage. Fragrance content — this is the proportion of fragrance used in the candle mixture.

What wax has the highest fragrance load? ›

Paraffin wax—a very inexpensive wax—is most widely used across candle brands, says Fitchl, because it can hold a high amount of fragrance and color. It also comes in various melt points, making it suitable for making many different types of candles, from containers to pillars.

How do you calculate scent? ›

1 Cent is equal to 435.56 Square Feet and is used in the south Indian states such as Kerala, Tamil Nadu, Karnataka, Andhra Pradesh, and Telangana. 100 Cents make up one acre of land, or in other words, Cent is 1/100th part of an acre so it is used for measuring smaller plots and land parcels of around one acre.

What is the ratio of soy wax to fragrance oil? ›

So, if you're looking at how much fragrance oil per 100g of soy wax to add, 10g of fragrance oil is ideal for a strong aroma. If you're after a more subtle scent throw, a percentage of 5-6% may be better suited.

What is the perfect perfume ratio? ›

Generally perfume oils will have a 20 - 80% concentration of essential/fragrance oils to carrier. Let's say you want to have a nice light perfume that is 20% fragrance. 20% of 100 drops is 20 drops. This means that your fragrance combination will amount to 20 drops and the remaining 80 drops will be carrier.

What is the max fragrance load for 444 soy wax? ›

Like 464 wax, 444 has a maxed fragrance hold of 10% or 1.6 ounces per pound of wax. However, we recommend starting at a 6% fragrance load which is one ounce per pound. contribute to burning issues. For optimal scent throw, we recommend adding your fragrance once your wax has reached 185 degrees.

What is the recommended fragrance load? ›

Adding fragrance to candles

It's a good rule of thumb to start around 6%, or 1 oz. of fragrance per 16 oz./1 lb. of wax. Most wax manufacturers have a recommended fragrance load of 6-8% with a max of 10-12%.

What happens if you put too much fragrance in a candle? ›

This is what we refer to as fragrance leaching, seeping, or bleeding. Typically, seeping is caused by adding too much fragrance oil or by adding the fragrance at a temperature that is too cool.

What is the math for candle making? ›

To find how much wax you will need, multiply the number of candles you are making by the amount of wax it will hold, and then divide that by 20. For example, if you want to make 30 - 8 ounce candles the math would be as follows: 30 (containers) x 8 (oz per container) = 240 total ounces / 20 = 12 lbs wax needed.

What temperature should wax be to add fragrance? ›

It is usually recommended to add your fragrance to the wax at 180-185F for soy and paraffin wax 200-205ºF for palm wax. Trim your wick: This is also very important. Stirring for a short amount of time can keep your fragrance oil from binding to the wax.

What is the formula of fragrance? ›

The chemistry of perfumes

The production of a perfume basically comprises the following components: denatured ethanol (C2H6O), essence or fragrance, fixative, propylene glycol (C3H8O2) and distilled water (H20). The fragrance, on the other hand, can be synthetic or natural.

How do you quantify fragrance? ›

Classical methods used for the analysis of fragrances are based on separation techniques such as gas or liquid chromatography (GC and LC, respectively) with various detectors, the most common being the mass selective detector (MSD) and flame ionization detector (FID) for quantification [4], [5], [6].

What is the ratio of fragrance oil to candle wax? ›

A: The industry standard is considered 0.5 ounce of fragrance per pound of wax. For double-scenting, you would use 1 ounce of fragrance per pound of wax. For triple-scenting your candles you can use 1.5 ounces of fragrance per pound of wax.

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