How Long is a Boxing Round? (Professional, Amateur, and Training)Professional boxing rounds are 3 minutes with 1-minute rest. Amateur is also 3 minutes. Here's how the round structure varies by level and how to train to it.Frequently asked questionsIs TimerRush free?Completely free — no account required.Where can I try the timers mentioned in this guide?All timers are at timerrush.com. Bookmark /t/25m or /t/5m for quick one-click access.