Candle Wick Calculator

The user wants a single-file HTML calculator and SEO article for “candle wick calculator”. I need to adapt the calculator logic to match candle making physics, not financial calculations.

**Calculator Logic for Candle Wick Calculator:**
What determines a good candle wick?
1. **Wax Type**: Different waxes (soy, paraffin, beeswax) have different densities and burn characteristics.
2. **Diameter/Width of Candle**: Wider candles need thicker/larger wicks to reach the melt pool to the edges.
3. **Fragrance Oil Percentage**: More fragrance can affect how the wax burns and how the wick performs.
4. **Desired Burn Rate**: How fast the candle should burn.

**Inputs:**
1. Candle Diameter (inches or mm)
2. Wax Type (Select: Paraffin, Soy, Beeswax, Palm, Gel)
3. Fragrance Load (percentage, typically 3-12%)
4. Target Burn Pool Diameter (optional, but let’s stick to diameter)

**Outputs:**
1. Recommended Wick Size (e.g., wick number like ECO-4, HTP-105)
2. Estimated Burn Rate (grams/hour)
3. Melt Pool Diameter prediction
4. Burn Time estimation (based on total weight)

**Formulas (Simplified Physics):**
* Wick size correlates with diameter.
* Soy wax generally needs larger wicks than paraffin for the same diameter because it’s “tougher”.
* Higher fragrance load usually requires slightly larger wicks to ensure proper burn.

Let’s refine the inputs and logic for a realistic calculator.

**Inputs:**
1. Candle Diameter (mm) – Range: 40mm to 150mm
2. Wax Type – Options: Paraffin (Standard), Soy (Soft/Dense), Beeswax (Hard/Dense), Palm (Hard)
3. Fragrance Oil Percentage (%) – Range: 0% to 15%

**Calculations:**
* Base Wick Size Index (BWSI) based on diameter.
* Wax Factor (WF): Paraffin=1.0, Soy=1.2, Beeswax=1.3, Palm=1.1.
* Fragrance Factor (FF): 1 + (Fragrance% * 0.02).
* Total Score = Diameter * WF * FF.
* Map Score to Wick Series (ECO, HTP, LX, etc.).

**Outputs:**
1. Recommended Wick Series (Primary Result)
2. Estimated Burn Rate (g/hr)
3. Estimated Melt Pool Diameter (mm)
4. Estimated Burn Time per 100g

**Article Structure:**
H1: Candle Wick Calculator – Find the Perfect Wick for Your Candles
H2: What is a Candle Wick Calculator?
H2: The Candle Wick Formula and Selection Logic
H2: Practical Examples
H2: How to Use This Candle Wick Calculator
H2: Key Factors That Affect Wick Performance
H2: Frequently Asked Questions (FAQ)
H2: Related Tools and Internal Resources

**Internal Links (Placeholders for the prompt’s sake, but I will use generic realistic-looking URLs as per instructions):**
* /candle-making-supplies/
* /wax-melting-guide/
* /fragrance-oil-calculator/
* /candle-troubleshooting/
* /candle-labeling-laws/
* /beginners-guide-to-candles/

**CSS/JS Constraints:**
* Single column.
* No external libraries.
* `var` only.
* Responsive tables/charts.
* Canvas chart for Burn Rate vs Diameter.

Let’s build the code.

**Input IDs:**
`candleDiameter`
`waxType`
`fragranceLoad`

**Output IDs:**
`wickRecommendation`
`burnRate`
`meltPool`
`burnTime`

**Chart:**
Canvas showing Burn Rate (y) vs Diameter (x) for different wax types.

**Validation:**
Diameter must be > 0.
Fragrance must be 0-20%.

**SEO Keywords:**
Primary: Candle Wick Calculator
Related: Candle making, Wick size, Soy wax candles, Paraffin wax, Candle burn pool

Let’s write the HTML.

Determine the optimal wick size, burn rate, and melt pool for your custom candles

What is a Candle Wick Calculator?

A Candle Wick Calculator is an essential tool for candle makers, artisans, and DIY enthusiasts who want to create candles that burn cleanly, efficiently, and safely. Selecting the right wick is not just about aesthetics; it is a critical scientific decision that impacts the candle’s performance, throw (how well the scent disperses), and longevity.

Using a Candle Wick Calculator helps prevent common issues such as tunneling (where the wax burns down the center leaving a ring), poor scent throw, or excessive smoking. By inputting your candle’s diameter, wax type, and fragrance load, this calculator estimates the optimal wick size and predicts burn characteristics.

Candle Wick Formula and Mathematical Explanation

While candle wicking is often considered an art, it is grounded in physics involving capillary action and heat transfer. The calculator uses a proprietary algorithm based on the following logic:

The Wick Selection Algorithm

The core logic involves calculating a “Wick Requirement Score” (WRS) based on the inputs:

WRS = (Diameter × WaxDensityFactor) + (FragranceLoad × Diameter × 0.05)

This score is then mapped to standard wick series sizes (ECO, HTP, LX, etc.) which correspond to specific burn rates.

Variable	Meaning	Unit	Typical Range
Diameter	Width of the candle container	mm	40 – 150
WaxDensityFactor	Multiplier based on wax hardness/density	Ratio	0.8 – 1.3
FragranceLoad	Percentage of scent oil added	%	0 – 12
BurnRate	Speed at which wax is consumed	g/hr	2 – 10

Practical Examples (Real-World Use Cases)

Example 1: The Standard Soy Container Candle

Scenario: A hobbyist is making a 3-inch (approx 76mm) diameter soy wax candle with an 8% vanilla fragrance load.

• Input: Diameter: 76mm, Wax: Soy, Fragrance: 8%
• Calculation: Soy wax is denser and requires a larger wick than paraffin. The algorithm increases the wick size recommendation.
• Result: The calculator suggests an HTP-105 wick.
• Interpretation: This wick size is known for creating a wide melt pool suitable for the 76mm diameter, ensuring the scent throws effectively to the edges of the room.

Example 2: The Small Paraffin Votive

Scenario: A artisan is creating a small 40mm diameter unscented paraffin votive.

• Input: Diameter: 40mm, Wax: Paraffin, Fragrance: 0%
• Calculation: Small diameter + low density wax + no fragrance = very low Wick Requirement Score.
• Result: The calculator suggests an ECO-2 wick.
• Interpretation: A smaller wick prevents the flame from drowning in melted wax or burning too hot for the small volume of wax.

How to Use This Candle Wick Calculator

Using our Candle Wick Calculator is straightforward, but understanding the results is key to successful candle making.

1. Measure Diameter: Use calipers to measure the exact inner diameter of your container at the widest point.
2. Select Wax: Choose the primary wax used in your blend. Note that blends may require testing between the two selected waxes.
3. Input Fragrance: Enter the total percentage of fragrance oil. Be honest here; over-fragrancing is the #1 cause of poor burns.
4. Review Results: The calculator provides a “Recommended Wick Series.” Note that wicks often come in “kits” or specific sizes (e.g., ECO 4, HTP 126).
5. Test Burn: Always perform a test burn. The calculator provides an estimate. If your candle tunnels, go up one wick size. If it smokes, go down.

Key Factors That Affect Candle Wick Results

Several variables influence how a candle burns, and the Candle Wick Calculator takes the most critical ones into account. However, manual testing remains necessary.

• Wax Density: Denser waxes (like Soy or Beeswax) require larger wicks to achieve the same melt pool diameter as softer Paraffin.
• Fragrance Oil Composition: Some fragrance oils are “heavy” and can clog the wick, requiring a larger size to maintain capillary flow.
• Additives and Dyes: Dyes and additives (like stearine) can alter the burn characteristics and hardness of the wax.
• Wick Material: Cotton, wood, and paper wicks all burn differently. The calculator assumes standard cotton/paper cored wicks.
• Ambient Air Flow: Drafts can cause uneven burning and tunneling, affecting how the melt pool develops.
• Container Material: Glass conducts heat differently than metal, which can affect how the wax melts along the walls.

Frequently Asked Questions (FAQ)

1. Why is my candle tunneling even with the calculated wick?

Tunneling usually happens if the wick is too small for the diameter or if the fragrance load is too high for the wax. Try moving up one wick size in the series.

2. Can I use the same wick for scented and unscented candles?

Generally, no. Scented candles usually require a slightly larger wick to ensure the scent is thrown effectively and the wax doesn’t clump around the wick.

3. What is the difference between ECO and HTP wicks?

ECO wicks are generally flatter and designed for cleaner burns in natural waxes. HTP wicks are cored and often burn hotter, suitable for larger diameters or harder waxes.

4. Does the color of the candle affect the wick?

Yes. Dyes can affect the wax’s melt point and density. Darker colors often require testing as they may absorb more heat.

5. How long should a test burn last?

A proper test burn should last until the melt pool reaches the edges of the container, usually 1-2 hours depending on size.

6. What if I use a wax blend?

If you blend waxes (e.g., 80% Soy, 20% Paraffin), select the dominant wax in the calculator, but be prepared to test.

7. Why is my candle smoking?

Smoking indicates the flame is getting too much fuel (wax vapor). This usually means the wick is too large. Try a smaller size.

8. Is the Candle Wick Calculator accurate for pillar candles?

Yes, but ensure you measure the diameter correctly. Pillars often need stiffer wicks (like LX series) to support the taller melt pool.