16 Medium Jar Soy Candles (8 oz)
Inputs
Result
Wax per candle = 8 oz × 0.52 density × 0.90 fill = 3.744 oz. Total for 6 = 22.46 oz. Fragrance = 22.46 × 0.08 = 1.80 oz. Cost = (22.46 × $0.40) + (1.80 × $1.50) + (6 × $0.50) = $14.68.
Wax Needed
22.46 oz
Fragrance
1.8 oz
Est. Cost
$14.68
Burn Time
22 hours/ea
Wax Needed
22.46
oz (637g)
Fragrance Oil
1.8 oz
(53 ml)
Total Weight
24.26 oz
For 6 candle(s), excluding containers



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Inputs
Result
Wax per candle = 8 oz × 0.52 density × 0.90 fill = 3.744 oz. Total for 6 = 22.46 oz. Fragrance = 22.46 × 0.08 = 1.80 oz. Cost = (22.46 × $0.40) + (1.80 × $1.50) + (6 × $0.50) = $14.68.
Inputs
Result
Wax per candle = 4 oz × 0.54 density × 0.90 fill = 1.944 oz. Total for 12 = 23.33 oz. Fragrance = 23.33 × 0.10 = 2.33 oz. Cost = (23.33 × $0.40) + (2.33 × $1.50) + (12 × $0.50) = $15.83.
Multiply your container volume (in oz) by 0.9 (for 90% fill) and then by the wax density (about 0.52 for soy). An 8 oz jar needs approximately 3.7 oz of wax. Always make 10% extra for testing.
Fragrance load is the percentage of fragrance oil relative to wax weight. Most waxes can hold 6-12%. Soy wax typically maxes at 10%, paraffin at 12%. Too much fragrance causes sweating and poor burn.
Wick size depends on container diameter. 2" diameter = CD-6, 2.5" = CD-8, 3" = CD-10. Always test burn - the melt pool should reach container edges in 2-4 hours without smoking.
| Container Diameter | CD Wick | ECO Wick |
|---|---|---|
| 2" | CD-6 | ECO-4 |
| 2.5" | CD-8 | ECO-6 |
| 3" | CD-10 | ECO-10 |
| 3.5" | CD-12 | ECO-12 |
| 4"+ (multi-wick) | 2× CD-8 | 2× ECO-6 |
Soy wax: 135-145°F. Paraffin: 170-180°F. Beeswax: 145-155°F. Coconut: 120-130°F. Pouring too hot causes sinkholes; too cold causes adhesion issues.
| Wax Type | Melt Temp | Add Fragrance | Pour Temp |
|---|---|---|---|
| Soy (464) | 170–180°F | 185°F | 135–145°F |
| Paraffin (IGI 4630) | 180–190°F | 185°F | 170–180°F |
| Coconut | 140–150°F | 165°F | 120–130°F |
| Beeswax | 145–150°F | 160°F | 145–155°F |
Soy candles need 1-2 weeks to cure for best scent throw. Paraffin cures faster (3-5 days). During curing, fragrance molecules bind with wax for stronger cold and hot throw.
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Last Updated: Mar 26, 2026
This calculator is provided for informational and educational purposes only. Results are estimates and should not be considered professional financial, medical, legal, or other advice. Always consult a qualified professional before making important decisions. UseCalcPro is not responsible for any actions taken based on calculator results.