Convert 420 MM to Inches - Precision Calculator
Convert 420 millimeters to inches with precision control
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🪵 Woodworking Application
For woodworking projects, 420 mm converts to approximately 16 8/15" when using 1/16" precision, which is standard for most woodworking measurements.
⚙️ Engineering Application
In engineering contexts, 420 mm equals 16.535433 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, 420 mm is the standard metric measurement. The imperial equivalent is 16.5354 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) |
|---|---|---|
| 210.00 mm | 8.2677 in | 8 4/15" |
| 315.00 mm | 12.4016 in | 12 2/5" |
| 420.00 mm | 16.5354 in | 16 8/15" |
| 525.00 mm | 20.6693 in | 20 2/3" |
| 630.00 mm | 24.8031 in | 24 4/5" |
| 840.00 mm | 33.0709 in | 33 1/14" |
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Frequently Asked Questions
How do I convert 420 mm to inches?
To convert 420 millimeters to inches, divide by 25.4 (the exact conversion factor). The result is 16.5354 inches.
What is 420 mm in fractional inches?
420 mm is approximately 16 8/15" 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.
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