How to Find and Change BPM in Reaper

Reaper displays project tempo in the Transport bar at the top of the main window. Tempo can be set numerically, tapped via assignable actions, detected from audio, or automated with tempo envelopes. Cockos Reaper defaults to 120 BPM.

How to change the tempo in Reaper

  1. Locate the BPM field in the Transport bar (top of the Reaper window).
  2. Click and drag the BPM value up or down, or double-click to type a value.
  3. Press Enter to confirm. The new tempo applies to the project.
  4. Right-click the BPM display for additional options including Insert Tempo Marker.

How to use tap tempo in Reaper

Reaper has a "Tap Tempo" action accessible via the Action List (press ?). Search for "Tap Tempo" and assign a keyboard shortcut. Tap the assigned key on the beat to set the project tempo.

If you don't want to set up tap tempo inside Reaper, use our browser-based tap tempo tool — tap the BPM, then enter the value into your DAW.

How to detect BPM of audio in Reaper

Feature: Item BPM detection

Right-click an audio item. Choose Item Properties > "Detect tempo of media." Reaper analyses the audio and reports the detected BPM. The result can be applied to the project tempo.

How to automate tempo changes in Reaper

  1. Right-click the project tempo and choose "Insert tempo/time signature change marker."
  2. Set the BPM and position. Click OK.
  3. Multiple tempo markers can be added across the project for tempo changes.
  4. Alternatively, enable a Tempo envelope on the master track for continuous tempo curves.

Reaper tempo shortcuts

Action Mac Windows
Open Action List ? ?
Insert Tempo Marker Right-click tempo Right-click tempo

Tips

  • Reaper defaults to 120 BPM.
  • Reaper's tempo automation is via tempo markers (instant) or envelopes (continuous).
  • The "Detect tempo of media" function works on most rhythmic audio with clear transients.
  • Reaper's flexibility means tempo can also be controlled via OSC, MIDI, and ReaScript for custom workflows.

Need to find the BPM of a song before importing it into Reaper?

Use the Tap Tempo Tool

Other DAW BPM guides

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