Explaining “In for a penny, in for a pound”

What does it mean?

The phrase "In for a penny, in for a pound" means that if you have started something or committed to a decision, you should follow through with it completely, even if it means taking on more significant commitment or risk.

Tone

Origin

The phrase originates from old British currency, where a pound was a larger denomination than a penny. It implies that once you're involved in a small way (a penny), you may as well be involved fully (a pound). It dates back to at least the 17th century.