Convert 0.8 MM to Inches - Precision Calculator
Convert 0.8 millimeters to inches with precision control
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🪵 Woodworking Application
For woodworking projects, 0.8 mm converts to approximately 1/16" when using 1/16" precision, which is standard for most woodworking measurements.
⚙️ Engineering Application
In engineering contexts, 0.8 mm equals 0.031496 inches with high precision (6 decimal places) for accurate technical specifications.
🛒 E-commerce Product Description
For online product listings, you can describe this measurement as:
🖨️ 3D Printing Application
For 3D printing, 0.8 mm is the standard metric measurement. The imperial equivalent is 0.0315 inches.
Where This Size Is Used
- Precision measurement and tolerances
- Electronics components and connectors
- Jewelry and craft parts
- Common hardware and fasteners
- Phones, tablets, and accessories
- Furniture fittings and fixtures
- Construction and building materials
- Furniture dimensions and clearances
- Engineering project measurements
Quick Reference Table
| Millimeters | Inches (Decimal) | Inches (Fraction) |
|---|---|---|
| 0.40 mm | 0.0157 in | 0/1" |
| 0.60 mm | 0.0236 in | 0/1" |
| 0.80 mm | 0.0315 in | 1/16" |
| 1.00 mm | 0.0394 in | 1/16" |
| 1.20 mm | 0.0472 in | 1/16" |
| 1.60 mm | 0.0630 in | 1/16" |
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Exact answer, measurement guidance, and nearby sizes
Direct answer and formula
0.8 mm is 0.031496063 inches; the unrounded value is exactly 4/127 inch.
0.8 ÷ 25.4 = 0.031496063 inches
Basis: 1 inch = 25.4 mm exactly (international inch definition)
Rounding, fractions, and tolerance
The factor 25.4 mm per inch is exact. A 5-decimal display is 0.03150 in. The nearest 1/64-inch mark is 1/32 in, differing by 0.00625 mm; the nearest 1/32-inch mark is 1/32 in, differing by 0.00625 mm. Use a fraction only when its stated error is smaller than the allowed tolerance; otherwise retain the decimal.
A nearby rounded size is acceptable only when its absolute difference is within the documented dimensional tolerance and all non-dimensional compatibility checks pass.
Workshop shim check
Use 0.8 mm in this workshop shim check workflow: a measured shim or gap is being copied from a metric inspection note into an inch-based setup sheet. Here the metric/imperial counterpart is 0.031496063 inches. Keep the converted decimal for the setup; compare the fraction only as a quick shop-floor reading aid.
- Keep the converted decimal for the setup; compare the fraction only as a quick shop-floor reading aid.
- A shim stack and a manufactured slot can each have their own tolerance, so conversion alone does not establish fit.
Illustrative measurement workflow; it does not claim that this value is a standard product size.
Editorial measurement check
Begin with the measured value and its stated resolution, rather than adding digits that the source instrument never established.
A nearby catalog or tool size is only a candidate for review; numerical proximity does not establish interchangeability.
Verify the final setting with the instrument or template used in the real workflow before releasing the dimension.
Nearby comparison and substitution boundary
Rounding to the nearest 1/64 inch selects 1/32 inch only for measurements from 0.595312 mm up to (but not including) 0.992188 mm under half-up tie handling. For substitution, require an allowed dimensional deviation of at least 0.00625 mm and check the application-specific fit.
Candidate: 1/32 inch; absolute difference: 0.00625 mm.
Questions about this exact conversion
What is 0.8 mm in the other unit?
0.8 mm is 0.031496063 inches; the unrounded value is exactly 4/127 inch.
When is a fractional or rounded value acceptable for 0.8 mm?
The factor 25.4 mm per inch is exact. A 5-decimal display is 0.03150 in. The nearest 1/64-inch mark is 1/32 in, differing by 0.00625 mm; the nearest 1/32-inch mark is 1/32 in, differing by 0.00625 mm. Use a fraction only when its stated error is smaller than the allowed tolerance; otherwise retain the decimal.
Does converting 0.8 mm guarantee the parts or dimensions will fit?
Keep the converted decimal for the setup; compare the fraction only as a quick shop-floor reading aid. A shim stack and a manufactured slot can each have their own tolerance, so conversion alone does not establish fit.
What is the nearby-size boundary for 0.8 mm?
Rounding to the nearest 1/64 inch selects 1/32 inch only for measurements from 0.595312 mm up to (but not including) 0.992188 mm under half-up tie handling. For substitution, require an allowed dimensional deviation of at least 0.00625 mm and check the application-specific fit.