38 mm to Inches
Convert 38 millimeters to inches — instant, accurate, and easy
The Answer
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How to Convert 38 mm to Inches
To convert 38 millimeters to inches, divide the millimeter value by 25.4. This is because one inch equals exactly 25.4 millimeters — a standard defined by international agreement.
The Calculation
Applying the formula to 38 mm:
Result Summary for 38 mm
- Decimal inches: 1.4961″
- Fractional inches: 1 1/2″ (nearest 1/64)
- Feet and inches: 0 ft 1.50 in
38 mm Compared With 1 1/2 Inches
38 mm is approximately 1.4961 inches. The nearest 1/16-inch mark is 1 1/2 inches (38.1 mm), 0.1 mm above 38 mm.
At 0.1 mm apart, 38 mm and 1 1/2 inches are close enough for most woodworking and general measuring, but not interchangeable for tight-fitting parts such as bearings or tube fittings.
Reference Table — Values Near 38 mm
| Millimeters | Decimal Inches | Fractional Inches |
|---|---|---|
| 35 mm | 1.3780″ | 1 3/8″ |
| 36 mm | 1.4173″ | 1 27/64″ |
| 37 mm | 1.4567″ | 1 29/64″ |
| 38 mm | 1.4961″ | 1 1/2″ |
| 39 mm | 1.5354″ | 1 17/32″ |
| 40 mm | 1.5748″ | 1 37/64″ |
| 41 mm | 1.6142″ | 1 39/64″ |
38 mm in Other Units
Millimeters convert cleanly into every other length unit. Here is 38 mm expressed seven different ways — useful when a drawing, spec sheet or supplier quotes a unit other than inches.
| Unit | 38 mm equals |
|---|---|
| Centimeters (cm) | 3.8 cm |
| Meters (m) | 0.038 m |
| Inches (in) | 1.4961 in |
| Feet (ft) | 0.1247 ft |
| Yards (yd) | 0.04156 yd |
| Thousandths of an inch (mil) | 1,496.1 mil |
| Typographic points (1/72 in) | 107.72 pt |
How Accurate Is Each Fraction of 38 mm?
38 mm equals 1.4961″ (rounded to four decimal places). Any fraction is a further rounding of the full-precision value, so each one carries a small error. This table shows the closest fraction at each common denominator and how far it actually sits from 38 mm.
| Rounded to | Fraction | Decimal | Fraction vs. original |
|---|---|---|---|
| Nearest 1/2″ | 1 1/2″ | 1.5000″ | +0.100 mm (above original) |
| Nearest 1/4″ | 1 1/2″ | 1.5000″ | +0.100 mm (above original) |
| Nearest 1/8″ | 1 1/2″ | 1.5000″ | +0.100 mm (above original) |
| Nearest 1/16″ | 1 1/2″ | 1.5000″ | +0.100 mm (above original) |
| Nearest 1/32″ | 1 1/2″ | 1.5000″ | +0.100 mm (above original) |
| Nearest 1/64″ | 1 1/2″ | 1.5000″ | +0.100 mm (above original) |
For woodworking, DIY and general workshop use, 1 1/2″ is the practical choice — it lands within 0.4 mm of 38 mm. For machining, toolmaking or CAD, use the decimal value 1.4961″ rather than any fraction.
FAQ About 38 mm to Inches
How many inches is 38 mm?
38 millimeters equals 1.4961 inches (rounded to 4 decimal places), or approximately 1 1/2″ (nearest 1/64 inch).
How accurate is the 38 mm to inches conversion?
The conversion of 38 mm to 1.4961 inches uses the exact definition 1 inch = 25.4 millimeters; the four-decimal result is rounded, so it is approximate.
Can I convert 38 mm to feet?
Yes. 38 millimeters equals approximately 0 ft 1.50 in.
📏 Need to measure 38mm accurately?
A steel ruler marked in millimeters makes it easy to find 38 mm (≈ 1.4961″). See current options:
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