formulario
/for-moo-LAH-ryoh/
form

In Spanish, 'formulario' can refer to a physical or digital form that needs to be filled out.
formulario(noun)
form
?document to be filled out
questionnaire
?a set of questions
,application
?formal request document
📝 In Action
Tienes que rellenar este formulario para abrir una cuenta.
A2You have to fill out this form to open an account.
He enviado el formulario de contacto por internet.
B1I have sent the contact form online.
💡 Grammar Points
Gender Identification
Since this word ends in '-o', it is masculine. You should always use 'el' or 'un' with it: 'el formulario'.
❌ Common Pitfalls
The 'Fill Out' Confusion
Mistake: "Using 'llenar' exclusively for forms."
Correction: While 'llenar' works, Spanish speakers more naturally use 'rellenar' (to fill in) or 'completar' (to complete) when talking about documents.
⭐ Usage Tips
Digital vs. Paper
This word works for both physical paper documents and digital fields on a website.

A 'formulario' can also be a reference book containing a collection of rules or formulas.
formulario(noun)
formula book
?collection of mathematical or scientific rules
formulary
?medical book for prescriptions
📝 In Action
Puedes usar el formulario durante el examen de física.
B2You can use the formula sheet during the physics exam.
💡 Grammar Points
Specific Meaning
In this context, it refers to a collection or list of set rules, not just a single blank page.
❌ Common Pitfalls
Don't confuse with 'fórmula'
Mistake: "Using 'formulario' for a single equation."
Correction: Use 'fórmula' for one equation (e.g., E=mc²) and 'formulario' for the book containing many equations.
✏️ Quick Practice
💡 Quick Quiz: formulario
Question 1 of 1
If you are at a bank and they ask you to 'rellenar el formulario', what do they want you to do?
📚 More Resources
Frequently Asked Questions
Is 'formulario' the same as 'fórmula'?
No. A 'fórmula' is a single recipe or mathematical equation (like a chemical formula). A 'formulario' is usually the document you fill out with your name and address, or a book that lists many different formulas.