Look up a cooking oil's smoke point and best frying use.
Each oil has a characteristic smoke point; refined neutral oils reach high heat while butter and extra virgin olive oil smoke sooner. Heating an oil past its smoke point creates off flavors and harmful compounds, so matching oil to cooking temperature matters.
Oil Smoke Point
Smoke point is a property of the oil; C = (F - 32) x 5/9
Smoke point is a property of the oil; C = (F - 32) x 5/9 Each oil has a characteristic smoke point; refined neutral oils reach high heat while butter and extra virgin olive oil smoke sooner.
Heating an oil past its smoke point creates off flavors and harmful compounds, so matching oil to cooking temperature matters.
This calculator takes 1 input: Oil type. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.