Introducción
El 5×7 envelope — also known as A7 — is the most common invitation and greeting card size. It fits a 5×7 card perfectly, works for photos and invitations, and is the default choice for weddings, events, and announcements.
Its popularity comes from a simple fact: a 5×7 card or photo slides in without folding, with just enough margin. This guide covers the dimensions, what fits, the postage class, and window options.
5×7 (A7) Dimensions
The 5×7 envelope is the A7 size in the A-series family.
| Medida | Valor |
|---|---|
| Ancho | 5¼ inches |
| Altura | 7¼ inches |
| La serie A | A7 |
| Acepta | 5×7 card/photo |
The envelope is slightly larger than the card it holds:
| Artículo | Tamaño |
|---|---|
| Sobre | 5¼” × 7¼” |
| Card it fits | 5″ × 7″ |
| Margen | Small, clean fit |
Qué cabe dentro
The 5×7 envelope holds the most common card and photo formats.
| Contenido | Ajuste |
|---|---|
| Tarjeta de 5×7 | Yes, exact |
| Foto de 5×7 | Sí |
| Foto 4×6 | Yes, with margin |
| Invitación | Sí |
| Tarjeta de felicitación | Sí |
The A7 is the invitation standard for good reason:
| Uso | Why 5×7 |
|---|---|
| Wedding invitation | Estándar |
| Tarjeta de felicitación | Común |
| Announcement | Fits 5×7 |
| Photo mailer | Fits 5×7 |
Postage Class
The 5×7 mails as a standard letter or large envelope, depending on the exact dimensions.
| Clase | Dimensiones | Costo |
|---|---|---|
| Carta | Hasta 6⅛” × 11½” | El más bajo |
| Large envelope | Hasta 12″ × 15″ | Medio |
A 5¼” × 7¼” envelope is within letter-size limits:
| Característica | 5×7 detail |
|---|---|
| Clase | Letter (within limits) |
| Tarifa | Tarifa de carta |
| Peso | Standard for a card |
Verify weight for the final postage:
| Paso | Acción |
|---|---|
| 1 | Weigh the card + envelope |
| 2 | Confirm letter rate |
| 3 | Aplicar el franqueo correcto |
Opciones de ventana
5×7 envelopes can be windowed for addressing.
| Ventana | Uso |
|---|---|
| Sin ventana | Invitaciones, tarjetas |
| Ventana simple | La dirección se muestra |
| Ventana doble | Dirección + remitente |
For invitations, no window is the norm; for business mail, a single window is common.
| Caso de uso | Ventana |
|---|---|
| Wedding invite | Ninguno |
| Tarjeta de felicitación | Ninguno |
| Correo comercial | Simple |
Why 5×7 Is the Invitation Standard
The A7 size dominates invitations for practical reasons.
| Razón | Por qué importa |
|---|---|
| Card fit | 5×7 card, no fold |
| Tarifa de carta | Economical postage |
| Común | Widely available |
| Elegant | Good proportions |
For the full A-series reference, see our Los tamaños de sobres de la serie A .
Choosing 5×7
Una guía rápida de decisión:
| Si envías… | Elige |
|---|---|
| Invitación 5×7 | 5×7 (A7) |
| Foto de 5×7 | 5×7 |
| Foto 4×6 | 5×7 (with margin) or A6 |
| Tarjeta cuadrada | Square (not 5×7) |
| Carta comercial | #10 |
For invitation etiquette and sizes, see our guía de tamaños de sobres para invitaciones .
Conclusión
El 5×7 envelope (A7) is the invitation and greeting-card standard — 5¼” × 7¼”, fitting a 5×7 card or photo without folding, and mailing at letter rate. Choose no window for invitations, a single window for business mail, and verify weight for postage. For the A-series family, see our Los tamaños de sobres de la serie A .
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