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M20 bolt diameter
Exact matchLarge structural fastener
Hardware & Fasteners
Conversion breakdown
19.7 mm to inches
mmtoinches.imView decimal inches, fractional inches (1/32" precision), and feet+inches for 19.7 millimeters. Perfect for CNC setups, woodworking, construction documents, and any workflow where a single metric dimension needs multiple imperial formats.
Decimal inches
0.7756"
19.7 mm = 0.7756" (rounded to four decimals)
Fractional inches (1/32")
25/32"
Error ±0.005659"
Feet + inches
0.7756"
Total inches 0.7756"
Real-world size reference
Visualize 19.7 mm with familiar everyday objects and common items for better understanding.
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US Nickel diameter
Close matchUS 5-cent coin is 21.21mm
Coins & Currency
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US Penny diameter
Exact matchUS 1-cent coin (exact: 19.05mm)
Coins & Currency
Note about measurements
Exact matches indicate precise dimensional equivalence. Close matches show similar sizes for visual reference. Always verify exact specifications for precision work, especially in engineering, manufacturing, or construction applications.
Visual size comparison
See how 19.7 mm compares to common reference sizes
Sizes are scaled for comparison. Click "Show 1:1 actual size" above to see the true physical size.
Tip: This visualization helps you quickly understand the relative size of 19.7 mm. Toggle between scaled comparison and 1:1 actual size using the button above.
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Common questions about 19.7 mm
Quick answers to frequently asked questions about this measurement, conversions, and practical applications.
19.7 mm equals 0.7756 inches. This conversion uses the international standard where 1 inch = 25.4 millimeters exactly.
19.7 mm is a large drill bit size for heavy-duty applications. Common applications include various industrial and construction applications.
19.7mm is comparable to medium-sized everyday objects like coins, batteries, or small hardware items.
Acceptable tolerance depends on your application. General woodworking: ±0.5mm is typical. Metal fabrication: ±0.1-0.3mm. Precision machining: ±0.01-0.05mm. Electronics: ±0.02mm or tighter. Always check your project specifications or industry standards.
Still have questions? Try the interactive converter for more conversion options and tools.
Related conversions
Commonly used sizes near 19.7 mm, grouped by relevance. Each recommendation includes context to help you find the right conversion quickly.
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Fasteners & Hardware
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Conversion details
All calculations rely on the international standard of 1 inch = 25.4 millimeters. Decimal values are rounded to four places, fractional results use 1/32" increments with automatic simplification, and feet+inches formatting is ideal for dimensions above 300 mm. For higher precision, URL parameters, or bulk conversion needs, head back to the main calculator or batch converter.
At 19.7 mm (~0.7756 in), This is a small precision dimension. Fractional output (1/32") helps with fine workmanship; keep decimal inches for calculations and tolerance notes.