Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Reverb & Delay Time Calculator

Calculate tempo-synced delay times and reverb decay lengths in milliseconds based on BPM, note value, feedback, and room size. Essential for producers and engineers locking effects to the groove of a track.

Song Tempo (BPM)

Delay Note Value

Feedback Amount (%)

Room Size Factor

Fill in the required fields to see your result.

Music

MIDI Velocity Curve Calculator

Map raw MIDI note velocity (0–127) to a shaped output velocity using curve types like linear, exponential, or soft. Used by keyboardists and producers to fine-tune touch response and dynamics in DAWs and hardware.

Input Velocity ((0-127))

Velocity Curve

Sensitivity (%)

Velocity Threshold ((0-127))

Fill in the required fields to see your result.

Key differences

	Reverb & Delay Time Calculator	MIDI Velocity Curve Calculator
Category	Music	Music
Inputs required	4	4
Result	Delay Time (ms)	Output Velocity ((0-127))
What it does	Calculate tempo-synced delay times and reverb decay lengths in milliseconds based on BPM, note value, feedback, and room size. Essential for producers and engineers locking effects to the groove of a track.	Map raw MIDI note velocity (0–127) to a shaped output velocity using curve types like linear, exponential, or soft. Used by keyboardists and producers to fine-tune touch response and dynamics in DAWs and hardware.