How many spoonfuls of sugar in bpm?

To convert spoonfuls of sugar to beats per minute (bpm) doesn't directly correlate, as they measure different things: one is a volume of sugar and the other is a measure of heart rate. If you're asking how sugar affects bpm, consuming high amounts of sugar can lead to increased heart rate due to a surge in energy and possible insulin response. However, it's important to clarify the context of your question for a more specific answer.