Size Calculators & Conversion Tools

Find your clothing size, compare dress sizes and calculate everyday dimensions for screens, prints, paper and beds.

Start with a size estimate from your height and weight, or use body measurements to find an approximate dress size. Explore our calculators and conversion guides below.

Calculate, convert and compare
View all size tools →
Clothing size estimate Clothing Size Finder Find your clothing size by height and weight. Add body measurements for a more personalized estimate. Find my clothing size → Dress sizes Dress Size Calculator Enter your bust, waist and hip measurements to find an approximate dress size in US, UK and EU systems. Find my dress size → Clothing conversion Clothing Size Converter Already know your size? Compare common US, UK, EU and international clothing labels. Convert clothing sizes → Screens and displays Screen Size Calculator Find screen width and height from the diagonal and aspect ratio. Compare two screen sizes visually. Calculate screen size → Images and printing Print Size Calculator Calculate print dimensions from image pixels and PPI, or find the pixel dimensions needed for your print. Calculate print size → Paper and pixels Paper Sizes in Pixels Convert A4, A3, Letter and other paper formats to pixel dimensions at your chosen resolution. Convert paper to pixels →
Choose your starting point

Which Clothing Size Tool Should I Use?

I know my height and weight

Use the Clothing Size Finder for a broad starting estimate. Add bust or chest, waist and hip measurements when available.

I have my body measurements

Use the Dress Size Calculator to compare your bust, waist and hips with a general dress size chart.

I want to convert a size label

Use the Clothing Size Converter to compare sizing systems when you already know your clothing size.

Clothing results are approximate. Body proportions, fabric, garment cut and brand sizing affect fit, so check the brand’s own size chart before ordering.

Reference library and tools

Paper & Print Sizes

Browse all paper sizes →

A-Size began as a paper-size reference, and the complete collection remains available. Find dimensions for international and North American formats in millimeters, centimeters, inches and pixels.

A-SeriesA0 through A10 B-SeriesB0 through B10 US & CanadaLetter, Legal and Tabloid Paper Size ChartDimensions at a glance Compare FormatsVisual paper comparison Printer PaperCommon printing formats
Everyday size guides

More Size Guides & Comparisons

Compare shoe sizes between countries, explore mattress dimensions or see how two screens differ in width and height.

Visual Screen Comparison Compare TV and monitor dimensions to scale → US, UK and EU Shoe Sizes Find corresponding men’s and women’s sizes → Bed & Mattress Sizes Compare regional bed dimensions →

About A-Size

A-Size.com is a collection of visual calculators, converters and reference guides for real-world sizes and dimensions. Our goal is simple: help you calculate, convert, compare and understand size.