Small candles with small wicks usually burn for seven to nine hours per 1 ounce of wax while those with large wicks burn five to seven hours per 1 ounce of wax. If you need to know more precisely how long a candle will burn, weigh it when it is new and then burn it for an hour per 1 inch of diameter.

How long should a good candle last?

A candle's lifespan can vary a lot, based on its ingredients. But a good rule of thumb is to light your candle within 12 to 16 months of buying it.

How long does a homemade candle last?

A: Paraffin wax will last almost indefinitely if it is kept in a room temperature environment and if it is kept from getting dirty or dusty. Soy wax has a shelf life of about 2 years when stored properly.