Reading music is really two questions at once: which note, and for how long. Pitch answers the first. Note values answer the second. A note value is the symbol that says how long a note is held, and the system is beautifully simple: each value is exactly twice as long as the next one down. A whole note equals two half notes, a half note equals two quarter notes, a quarter equals two eighths, and so on. Rests use the same halving system for silences. Get that one idea and you can read rhythm.
Below are the note values from longest to shortest, the rests that match them, the dots and ties that stretch them, and how they all have to add up inside a time signature. This is the timing half of reading sheet music.
Pitch Is Which Note, Rhythm Is When
A note on the staff carries two pieces of information in one symbol. Its vertical position tells you the pitch, which key to play. Its shape tells you the duration, how long to hold it. The same pitch can be a quick tap or a long sustain depending on whether it is drawn as a sixteenth note or a whole note, and that difference is what rhythm is made of.
Note values are relative, not absolute. A quarter note does not mean "one second." It means "one beat" in most time signatures, and how long a beat lasts depends on the tempo. Play the same rhythm faster or slower and the note values are unchanged; only the clock speed moves.
The Note Values
Here are the common values, longest to shortest, with how many beats each lasts in 4/4 time (where the quarter note is one beat):
| Note | Beats in 4/4 | Looks like |
|---|---|---|
| Whole note | 4 | Open note head, no stem |
| Half note | 2 | Open note head with a stem |
| Quarter note | 1 | Filled note head with a stem |
| Eighth note | 1/2 | Filled head, stem, one flag or beam |
| Sixteenth note | 1/4 | Filled head, stem, two flags or beams |
When eighth or sixteenth notes come in groups, their flags are replaced by beams, the thick horizontal bars joining the stems, which make a run of fast notes far easier to read at a glance. The halving continues past sixteenths to thirty-second and sixty-fourth notes, each adding another flag or beam, though you meet those far less often.
Rests: the Silences
Silence is written too, and it is just as precise as sound. Every note value has a matching rest of the same length: a quarter rest lasts one beat, a half rest two, a whole rest a full measure, and eighth and sixteenth rests carry the same flag count as their notes. Rests are not optional breathing room; they occupy exact time and count toward filling the measure.
This matters because rhythm is as much about when a note stops as when it starts. A melody with the same pitches but rests in different places is a different melody. Reading the rests is half of reading the rhythm.
Dots and Ties
Two tools extend a note beyond the plain halving system:
- A dot after a note adds half of that note's value. A dotted half note is a half note (2 beats) plus a quarter note (1 beat), so it lasts 3 beats. A dotted quarter lasts a beat and a half. The dot is how you write durations that fall between the standard values.
- A tie is a curved line joining two notes of the same pitch, telling you to hold them as one longer note instead of playing the second one again. Ties let a note last across a bar line or add up to a length no single symbol covers, like holding a note for five beats.
One caution: a tie connects two notes of the same pitch and joins their durations. A slur looks similar but connects different pitches and means play them smoothly, which is an articulation, not a duration. We cover that distinction in dynamics and articulation.
How Note Values Fill a Measure
Note values do not float freely; they have to fit inside measures set by the time signature. The time signature is a fraction at the start of the staff: the top number is how many beats are in each measure, and the bottom number says which note value gets one beat. In 4/4, the most common, there are four beats per measure and the quarter note is the beat, so every measure must add up to exactly four quarter notes' worth of notes and rests, no more, no less.
That constraint is what makes rhythm readable: you can always count a measure and check it balances. A measure of 4/4 might be a half note plus two quarters, or a quarter plus a quarter rest plus four eighths, but it always totals four beats. For how those top and bottom numbers work in full, including compound meters like 6/8, see what a time signature is.
Final Thoughts
Rhythm looks complicated on the page but rests on one rule: each note value is double the next, and rests, dots, and ties are just ways to combine those pieces to fill a measure exactly. Counting out loud, "one and two and," while you read is the fastest way to make the symbols feel like time rather than math.
Getting the rhythm right is also the hardest part of turning a recording into notation, because a human performance never lands perfectly on the grid. When a tool like Songscription transcribes a song, part of its job is rounding the played timing to clean note values so the result reads well, exactly the quantization step you would otherwise do by hand. For the rest of the vocabulary, keep going with the music notation glossary.
Frequently Asked Questions
What are note values in music?
Note values are the symbols that tell you how long each note lasts. They are relative, each one twice the length of the next: a whole note lasts as long as two half notes, a half note as long as two quarter notes, a quarter note as long as two eighth notes, and so on down to sixteenths and beyond. The shape of the note, whether it is filled or open and whether it has a stem or flags, tells you which value it is.
What is the difference between a quarter note and a half note?
A half note lasts twice as long as a quarter note. In common 4/4 time, where a quarter note gets one beat, a quarter note lasts one beat and a half note lasts two. Visually, a quarter note is a filled-in note head with a stem, and a half note is an open (hollow) note head with a stem. The whole note, longer still, is an open note head with no stem and fills all four beats of a 4/4 measure.
How do note values relate to the time signature?
The time signature sets how many beats are in each measure and which note value counts as one beat. In 4/4, there are four beats per measure and the quarter note is the beat, so any measure must add up to four quarter notes' worth of notes and rests. In 6/8, the eighth note is the beat and there are six per measure. Note values are the pieces; the time signature is the container they have to fill exactly.
