Understanding the result
The target and cents value compare the detected note with four-string E1 A1 D2 G2 standard bass tuning.
Audio and music
Bass Guitar Tuner
Choose a string, play it by itself and wait for a steady reading. Low bass notes need a quiet room and a clear input.
Detected note—Waiting for microphone
TargetE141.2 Hz
Flat—Sharp
Play one note at a time in a quiet room. A4 reference: 440 Hz.
Standard four-string tuning runs from E1 to G2.
How to use this tool
- Allow microphone access and choose a string.
- Pluck a sustained note.
- Adjust until the detected pitch matches the target.
Troubleshooting
- Pluck a single sustained string and damp the others.
- If low E is unstable, move the microphone closer, reduce room noise or use an input with better low-frequency response.
Browser and device limitations
This preset does not include a five-string low B, and small microphones may suppress bass fundamentals.
RELATED TOOLS
All toolsKeep checking
Voice RecorderRecord audio in your browser and download the file.Open toolOnline DictaphoneRecord a voice note and view a live transcript when supported.Open toolTone GeneratorPlay a steady tone at a frequency and volume you choose.Open toolPitch DetectorFind the frequency and closest musical note from your microphone.Open toolChromatic TunerTune any note with a live cents display.Open toolMetronomeKeep time with an adjustable beat and accent.Open tool
Common questions
Why is the E string difficult to read?
Phone microphones can roll off low frequencies. Try a direct input or move closer to the bass.
Does it support five strings?
This preset covers a four-string bass; the chromatic tuner can check an additional low B.
Can I tune a five-string bass here?
Use this page for E A D G and the Chromatic Tuner for the additional B0 string.