Convert 1 MM to Inches - Precision Calculator

Convert 1 millimeters to inches with precision control

Quick Answer
1 mm = 0.0394 in
โ‰ˆ 1/16" (fractional)
1 inch = 25.4 mm ยท 1 mm รท 25.4 = 0.0394 in

๐Ÿ“ Visual Size Comparison

Real-world comparison
About a grain of rice
Scaled 1:0.01 mm = 0.0394" (1/16")
Millimeters (mm)01 mmInches (in)00.039"
Millimeter ticks
Inch ticks (1/16")
Note:The ruler is scaled down for large values.

Detailed Results

Decimal (4 places)
0.0394 in
Fraction (1/16")
1/16"
2 / 4 / 6 decimals
0.04 in ยท 0.0394 in ยท 0.039370 in
Reverse check
0.0394 in ร— 25.4 = 1 mm
0.0394 in
1/16"
1 mm = 0.0394 inches
Formula: 1 mm รท 25.4 = 0.0394 inches

Adjust Precision

Results at Different Precisions

2 Decimal Places
0.04 in
4 Decimal Places
0.0394 in
6 Decimal Places
0.039370 in

Fractional Inch Results

1/8" Precision
0/1"
1/16" Precision
1/16"
1/32" Precision
1/25"

๐Ÿชต Woodworking Application

For woodworking projects, 1 mm converts to approximately 1/16" when using 1/16" precision, which is standard for most woodworking measurements.

Common Wood Sizing:
Thin veneer or laminate thickness

โš™๏ธ Engineering Application

In engineering contexts, 1 mm equals 0.039370 inches with high precision (6 decimal places) for accurate technical specifications.

Engineering Format:
1 mm (0.039370")

๐Ÿ›’ E-commerce Product Description

For online product listings, you can describe this measurement as:

Standard: Size: 1 mm (0.04 inches)
Approximate: Approx. 0.04" (1mm)
Dimension: 1mm / 0.04"

๐Ÿ–จ๏ธ 3D Printing Application

For 3D printing, 1 mm is the standard metric measurement. The imperial equivalent is 0.0394 inches.

3D Print Context:
Fine detail or tolerance specification

Where This Size Is Used

Small sizes (< 10 mm)
  • Precision measurement and tolerances
  • Electronics components and connectors
  • Jewelry and craft parts
Medium sizes (10โ€“100 mm)
  • Common hardware and fasteners
  • Phones, tablets, and accessories
  • Furniture fittings and fixtures
Large sizes (> 100 mm)
  • Construction and building materials
  • Furniture dimensions and clearances
  • Engineering project measurements
1 mm is close to Credit card thickness (0.76 mm)
1 mm is close to Coin thickness (1.5 mm)
1 mm is close to Phone thickness (7.5 mm)

Quick Reference Table

MillimetersInches (Decimal)Inches (Fraction)
0.50 mm0.0197 in0/1"
0.75 mm0.0295 in0/1"
1.00 mm0.0394 in1/16"
1.25 mm0.0492 in1/16"
1.50 mm0.0591 in1/16"
2.00 mm0.0787 in1/13"

Frequently Asked Questions

How do I convert 1 mm to inches?

To convert 1 millimeters to inches, divide by 25.4 (the exact conversion factor). The result is 0.0394 inches.

What is 1 mm in fractional inches?

1 mm is approximately 1/16" when expressed as a fraction. This is commonly used in woodworking and construction.

Is this conversion accurate for engineering purposes?

Yes, our conversion uses the standard conversion factor (1 inch = 25.4 mm exactly) and supports up to 6 decimal places for high-precision engineering applications.

Need to Convert Different Values?

Use our interactive converter tool to convert any millimeter value to inches with real-time results.

Go to Interactive Converter

Quick Conversion Links

Popular millimeter and inch values with dedicated conversion pages.

Inches to MM Chart