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Reverb Calculator Online

Find tempo-locked pre-delay and reverb tail starting points from the song BPM.

Pre-delayTail TimingBPM LockedFree
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Workflow

Finish the vocal with a preset chain

Use the free tool for prep, then load a vocal preset in your DAW for the EQ, compression, tuning, de-essing, delay, and reverb chain that turns the take into a finished mix faster.

Vocal preset packs→FL Studio vocal presetsLogic Pro vocal presetsBandLab vocal presetsPlugin version

Take It Further With Our Plugins

Loved the Reverb Calculator? These Rys Up Audio plugins do the same job inside your DAW — sub-millisecond latency, full automation, and dozens of presets baked in.

RysUpVerb Sculpted Graphite v2 plugin interfaceRysUpVerb - Lush Reverb Engine$49.99Get plugin→RysUpDelay Sculpted Graphite v2 plugin interfaceRysUpDelay - Creative Echo & Space Designer$49.99Get plugin→RysUpComp 1.6.3 four compressor interfaces: Comp-76, Comp-3, Comp-2, and Retro-CompRysUpComp - Four Compressors in One$49.99Get plugin→
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More Free Tools

Note Frequency Calculator

Find exact note frequencies.

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Camelot Wheel

Find harmonic mixing keys.

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Scale Finder

Find notes for scales and keys.

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Delay Calculator

Convert BPM into musical delay times.

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Chord Detector

Estimate key/chord clues for samples.

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Music Visualizer

Visualize waveform peaks and song sections.

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Frequently Asked Questions

Is this tool really free?
Yes — every Rys Up Audio tool is 100% free, with no signup, watermark, or paid credits. File-size and shared-worker limits are stated inside tools that use uploads or public AI services.
Do you upload my audio to a server?
Most tools process audio entirely in your browser via the Web Audio API. AI-powered stem splitting and vocal removal upload audio to third-party public workers, so you should not submit private or sensitive recordings.
What audio formats are supported?
Every tool accepts MP3, WAV, FLAC, M4A, and OGG up to 50 MB per file. Most exports are 16-bit WAV; the high-quality vocal separator returns 320 kbps MP3.
Does this work on mobile?
Yes — every tool is responsive and works in iOS Safari and Android Chrome. Some tools (like the virtual piano) are optimized for multi-touch.
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Pre-delayTail timingTempo locked
125 msTempo-locked pre-delay starting point
125 msPre-delay
250 msSlap room
1.00 secShort plate
2.00 secMedium hall
4.00 secLong throw

Reverb Calculator

Translate tempo into musical pre-delay, slap, short tail, medium tail, and long tail starting points.

Song BPM
Use it with Rys Up tools

Match these values with pitch shifting, vocal tuning, delay, reverb, EQ, and BPM/key workflows across the free catalog.