How Long Does a 16 oz Candle Burn?
A candle containing 16 ounces of wax burns roughly 80-112 hours for a paraffin-leaning blend (about 5-7 hours per ounce) or roughly 96-128 hours for a soy-leaning blend (about 6-8 hours per ounce) — and the ounces that matter are the wax fill weight printed on the label, not the jar's advertised size.
The underlying math: Burn-time by wax lean: a paraffin-leaning blend runs roughly 5-7 hours per ounce of wax and a soy-leaning blend roughly 6-8 hours per ounce — rough estimates that vary with wick size, jar shape, draft, and burn-pool discipline.
Burn hours by wax weight
| Wax fill weight | Paraffin-leaning (~5-7 hr/oz) | Soy-leaning (~6-8 hr/oz) |
|---|---|---|
| 4 oz | ~20-28 hours | ~24-32 hours |
| 8 oz | ~40-56 hours | ~48-64 hours |
| 12 oz | ~60-84 hours | ~72-96 hours |
| 16 oz | ~80-112 hours | ~96-128 hours |
| 22 oz | ~110-154 hours | ~132-176 hours |
Straight multiplication of our published hours-per-ounce estimates. Wick size, jar shape, drafts, multi-wick designs, and burn-pool discipline all shift real-world results in either direction.
What moves the number
Wax lean matters because melt point does: soy melts around 120°F and burns cooler and slower, while paraffin ranges roughly 130-150°F and burns hotter and faster — which is also why paraffin tends toward stronger hot throw. An untrimmed wick shortens burn time from either baseline, because a longer wick makes a larger, hotter, less efficient flame. And a candle burned in short sessions that never reach a full melt pool will tunnel, stranding wax at the jar wall that never converts to burn hours at all — see the burn-pool rule.
Shopping by burn hours
If burn-time value is the goal, compare rated hours (or net wax weight) directly across candles rather than price or jar size — price does not reliably predict burn time. You can browse current large-jar listings via this live Amazon search for 16 oz jar candles and check each listing's stated net weight and rated hours.
Frequently Asked Questions
By our hours-per-ounce burn math, a candle containing 16 ounces of wax burns roughly 80-112 hours if it is a paraffin-leaning blend (about 5-7 hours per ounce) or roughly 96-128 hours if it is a soy-leaning blend (about 6-8 hours per ounce). Wick size, jar shape, drafts, and burn-pool discipline shift those numbers meaningfully in either direction.
For burn-time math, only the wax fill weight matters — the ounces of wax actually poured into the container, usually printed as net weight on the label. A jar's advertised capacity can be larger than its wax fill, so estimate from the net weight, not the container size.
Roughly 40-56 hours for a paraffin-leaning blend or 48-64 hours for a soy-leaning blend, using the same 5-7 and 6-8 hours-per-ounce estimates. A 4 oz tin or votive lands around 20-28 hours (paraffin-leaning) or 24-32 hours (soy-leaning).
The usual causes are an untrimmed wick (a longer wick makes a bigger, hotter flame that consumes wax faster), drafts that make the flame flare and gutter, and burning multiple wicks at once. Trimming to about 1/4 inch before every light and keeping the candle out of moving air gets you closest to the rated figure.
Ounce for ounce, generally yes — soy's lower melt point (around 120°F versus roughly 130-150°F for paraffin) means it burns cooler and slower, which is why our estimate runs 6-8 hours per ounce for soy-leaning blends versus 5-7 for paraffin-leaning ones. The trade-off is that paraffin's hotter burn tends to produce stronger hot throw.