The seven natural notes match like this: Do = C, Re = D, Mi = E, Fa = F, Sol = G, La = A, Si = B (and H in German). Sharps add ♯ and flats ♭ to any of them. The syllable system (Do Re Mi) comes from medieval singing and is used across the Latin world; the letter system is essential to read chords and use music software. Click a piano key to see all three names at once, or paste a line of notes and choose which system to convert it to: it is the fastest way to turn an English tutorial into solfège or the other way around.
What is the difference between Do Re Mi and C D E?
They are two ways of naming the same notes. The syllabic system (Do, Re, Mi, Fa, Sol, La, Si) is used in Spanish, Italian, French and Portuguese; the letter system (C, D, E, F, G, A, B) is used in English and German and is the standard for chords. Do = C, Re = D, Mi = E, and so on.
What is the German note "H"?
In German notation, the letter B means B flat (B♭) and the letter H means B natural. It is a historical quirk. Our converter shows the German equivalent so you are not confused reading European sheet music.
Does it convert whole melodies, not just one note?
Yes. Besides clicking the keys, you can paste a sequence of notes (for example "Do Re Mi Fa" or "C D E F") into the text box and convert it all at once to the system you choose, keeping sharps and flats.
How are sharps and flats written?
A sharp raises the note a semitone (Do♯ = C♯) and a flat lowers it a semitone (Re♭ = D♭). In the converter you can type "Do#", "Dob", "C#" or "Db" and they are read correctly. Many notes have two names (C♯ = D♭), called enharmonics.
Why learn both systems?
Almost all chords, tabs and music software use letter names (C, Am, G7), while in solfège class you sing with syllables (Do, La, Sol). Being able to convert between both lets you read any score, tutorial or chord chart without getting stuck.
Is it free and without sign-up?
Yes, completely free, no sign-up and right in the browser on desktop and mobile. Ideal for students, teachers and self-taught musicians.
