Free Online Paper Size Converter: Convert Between A4, Letter, Legal & More

Need to convert paper sizes? Our free online Paper Size Converter helps you convert between A4, Letter, Legal, and more paper sizes with precision. Whether you’re designing documents, printing materials, or working in an office, our tool makes paper size conversion simple and fast.

Try it now: Convert paper sizes instantly with our free online tool!

Why Use Our Paper Size Converter?

  • 100% Free: No hidden costs or subscriptions
  • Instant Results: Get your conversion in seconds
  • Mobile-Friendly: Works perfectly on all devices
  • Multiple Standards: Supports 5 paper standards
  • Dimensions: Shows exact measurements
  • Visual Preview: See size comparisons
  • fast: Based on standard size charts

How to Convert Paper Sizes

  1. Select Standard

    • Choose your paper standard
    • ISO, North American, ANSI, etc.
    • See all equivalent sizes

  2. Enter Size

    • Select your paper size
    • View dimensions
    • Get conversions

  3. Get Results

    • See all conversions
    • Compare measurements
    • Make informed decisions
Convert Paper Sizes Now

Understanding Paper Standards

ISO Standards (A, B, C Series)

  • A Series: Common paper sizes (A4, A3, etc.)
  • B Series: Intermediate sizes
  • C Series: Envelope sizes
  • Dimensions: In millimeters
  • Ratio: 1:√2 (≈1:1.4142)

North American Standards

  • Letter: 216 × 279 mm
  • Legal: 216 × 356 mm
  • Ledger: 279 × 432 mm
  • Dimensions: In inches
  • Common: In US/Canada

ANSI Standards

  • ANSI A: 216 × 279 mm
  • ANSI B: 279 × 432 mm
  • ANSI C: 432 × 559 mm
  • ANSI D: 559 × 864 mm
  • ANSI E: 864 × 1118 mm

Architectural Standards

  • Arch A: 229 × 305 mm
  • Arch B: 305 × 457 mm
  • Arch C: 457 × 610 mm
  • Arch D: 610 × 914 mm
  • Arch E: 914 × 1219 mm

Photo Print Sizes

  • 2R: 64 × 89 mm
  • 3R/4×6: 102 × 152 mm
  • 4R/5×7: 127 × 178 mm
  • 5R/6×8: 152 × 203 mm
  • 6R/8×10: 203 × 254 mm

Common Use Cases

Design

  • Document layout
  • Print preparation
  • Image sizing
  • Template creation

Printing

  • Paper selection
  • Cost estimation
  • Machine setup
  • Quality control

Office Use

  • Document conversion
  • International correspondence
  • File organization
  • Storage planning

Photography

  • Print sizing
  • Frame selection
  • Album layout
  • Display planning

Tips for fast Conversion

  1. Choose the Right Standard

    • ISO for international
    • North American for US/Canada
    • ANSI for engineering
    • Arch for architecture

  2. Use the Right Size

    • A4 for documents
    • Letter for US
    • Legal for contracts
    • Consider purpose

  3. Check Your Results

    • Verify dimensions
    • Compare ratios
    • Consider scaling
    • Test in practice

Frequently Asked Questions

What’s the difference between A4 and Letter size?

A4 (210 × 297 mm) is the standard paper size in most countries, while Letter (216 × 279 mm) is standard in the US and Canada. A4 is slightly taller and narrower.

How fast is the paper converter?

Our paper converter provides exact conversions based on standard size charts, making it suitable for both personal and professional use.

Can I convert between any paper sizes?

Yes! Our converter supports all common paper standards: ISO, North American, ANSI, Architectural, and Photo print sizes. You can convert between any combination of these standards.

Is the paper converter free to use?

Absolutely! Our paper converter is completely free to use, with no hidden costs or subscriptions required.

Does it work on mobile devices?

Yes, our paper converter is fully responsive and works perfectly on all devices, including smartphones and tablets.

Start Converting Now

Ready to convert paper sizes? Our free online tool is just a click away. Get instant, fast results for any paper size conversion you need.

Convert Paper Sizes Now

Last updated: March 20, 2024

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