Delay Calculator

Convert BPM to exact delay, reverb and LFO times in ms, Hz and samples.

BPM40 – 240

Note	Straight ms	Dotted ms	Triplet ms	Hz	Samples

Click any cell to copy •

Use in Metronome →

What this Delay Calculator offers

Enter BPM to get exact straight, dotted and triplet times in ms with matching Hz and sample counts for 44.1 and 48 kHz. Click any cell to copy it into your plugin.

Six note values with straight, dotted and triplet columns
Hz for LFO, tremolo and auto-pan sync
Samples for hardware and DSP routing
Genre preset chips and tap shortcut
Send the tempo to the metronome

How to use

Type a BPM from 40 to 240 or pick a genre preset chip.
Choose the sample rate your project uses, 44.1 or 48 kHz.
Read straight, dotted and triplet times in ms with matching Hz and samples.
Click any cell to copy it into your delay, reverb or LFO plugin.

What is Delay Calculator?

Delay in ms equals 60,000 divided by BPM times the note ratio. Quarter is 1, eighth is 0.5, dotted multiplies by 1.5 and triplet by two thirds.

Hz is 1,000 divided by ms. Samples are seconds times your sample rate. At 44.1 kHz a 500 ms quarter at 120 BPM is 22,050 samples.

At 120 BPM start with 375 ms dotted eighth for the classic cascade, 250 ms eighth for slap-back and 125 ms sixteenth for tight pre-delay. Click any cell to paste the value straight into your plugin instead of hand-computing mid-session.

Features

Full delay table

Six note values in straight, dotted and triplet flavors with ms, Hz and sample counts.

Click to copy

Every cell copies on click so values land directly in your DAW.

Sample accurate

Sample counts for 44.1 and 48 kHz remove rounding guesswork in hardware and DSP.

Tap and practice

Tap shortcut to the BPM Tapper and send the tempo to the metronome.

Tips

Start dotted eighth

The classic rhythmic delay. Try dotted eighth before plain quarter.

Match the rate

Set the sample rate switch to your project so sample counts paste exactly.

Sync LFO in Hz

Use the Hz column for filter, tremolo and auto-pan rates that lock to tempo.

FAQ

How do I convert BPM to milliseconds?

Divide 60,000 by BPM for quarter notes. At 120 BPM that is 500 ms, at 128 techno it is 469 ms. Eighth is half, sixteenth a quarter, dotted multiplies by 1.5 and triplet by two thirds. The table computes all six note values instantly so you paste instead of doing mental math mid-session.

What are samples and Hz used for?

Hardware processors and low-level DSP need integer sample counts: seconds times 44,100 or 48,000. At 44.1 kHz a 500 ms quarter at 120 BPM is exactly 22,050 samples. Hz is 1,000 divided by ms and drives tempo-synced LFO, tremolo, filter and auto-pan rates that cannot take ms values.

What is the difference from the BPM Calculator?

The BPM Calculator answers beat, bar and basic note math per time signature. This Delay Calculator is the studio table: straight, dotted and triplet across six notes with ms, Hz and samples plus click-to-copy cells and genre presets like House 120 and DnB 174.

Can I tap a tempo instead of typing?

Yes. Use the tap shortcut to the BPM Tapper, measure 8 beats, then return with the number or use the metronome handoff link. The delay table follows whatever BPM you set, including ?bpm= links from other music tools.

What is dotted eighth vs triplet delay?

Dotted eighth is three quarters of a quarter note (375 ms at 120 BPM) and creates the classic ping-pong rhythmic cascade. Triplet eighth is one third of a quarter (167 ms at 120) for shuffle grooves. Straight sits on the grid, dotted pushes, triplet pulls.

Should I pick 44.1 or 48 kHz?

Match your project: 44.1 kHz for music releases and CD, 48 kHz for video and broadcast. Sample counts differ by about 9 percent, so pasting the wrong rate drifts hardware timing. Switch the toggle before copying for DSP and outboard gear.

References

1. Delay in ms equals 60,000 divided by BPM times the note ratio.

2. Web Audio API — MDN. developer.mozilla.org/Web/API/Web_Audio_API

For practice and education. Timing accuracy depends on device performance and browser audio scheduling. For critical recording, compare with a hardware metronome.