Your Universal Size Guide for Pre-Loved & Vintage Clothing

Shopping pre-loved and vintage clothing can feel different from buying brand-new fashion — and sizing is usually the biggest question. If you’ve ever wondered whether something will fit, or how vintage sizing compares to modern sizing, you’re not alone.

The good news? Once you understand a few basics, shopping becomes far easier — and far more enjoyable.

Why Vintage Sizing Is Different

Clothing sizes have changed significantly over the years. A size 10 from the 1990s may fit differently to a modern size 10. Different brands, fabrics, and cuts also vary widely.

That’s why at Retro Glamour, we encourage you to focus on measurements, not labels.

The number on the tag is simply a guide. Measurements tell the real story.

How to Measure Yourself (The Simple Way)

All you need is a soft measuring tape and a mirror.

Measure:

Bust
Around the fullest part of your bust, keeping the tape level.

Waist
Around your natural waistline — usually the narrowest part of your torso.

Hips
Around the fullest part of your hips and bottom.

Write these numbers down and keep them saved on your phone. They’ll become your most useful shopping tool.

How to Compare Measurements

The easiest way to shop vintage online is to compare measurements with a garment you already own and love.

Lay the garment flat and measure:

• Bust (underarm to underarm, doubled)

• Waist (flat across, doubled)

• Hips (flat across, doubled)

• Length (top to hem)

This gives you a realistic idea of how the new piece will sit.

General Size Guide (Modern Reference Only)

Below is a general modern Australian size reference for guidance only:

Please remember — vintage sizing may not match this exactly.

Understanding Fit

Fit isn’t just about numbers. It’s also about:

• Fabric stretch (denim vs satin)

• Cut (relaxed, fitted, oversized)

• Rise (high-waisted vs mid-rise)

• Personal comfort preferences

A slightly oversized jacket might feel effortless. A structured skirt might feel empowering. The “right” fit is the one that makes you feel confident.

Still Unsure?

If you’re between sizes or unsure about a specific piece, we’re always happy to help. Just email us with the product name and your measurements — we’ll guide you honestly.

Shopping pre-loved shouldn’t feel stressful. It should feel intentional, thoughtful, and exciting.

Because the goal isn’t to fit into the clothing — it’s to find clothing that fits into your life.