240 mm to Inches
Convert 240 millimeters to inches — instant, accurate, and easy
The Answer
Browse tape measures on Amazon.
📄 Free printable mm to inches chart (PDF) — every mm from 1 to 300.
How to Convert 240 mm to Inches
To convert 240 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 240 mm:
Result Summary for 240 mm
- Decimal inches: 9.4488″
- Fractional inches: 9 29/64″ (nearest 1/64)
- Feet and inches: 0 ft 9.45 in
Reference Table — Values Near 240 mm
| Millimeters | Decimal Inches | Fractional Inches |
|---|---|---|
| 237 mm | 9.3307″ | 9 21/64″ |
| 238 mm | 9.3701″ | 9 3/8″ |
| 239 mm | 9.4094″ | 9 13/32″ |
| 240 mm | 9.4488″ | 9 29/64″ |
| 241 mm | 9.4882″ | 9 31/64″ |
| 242 mm | 9.5276″ | 9 17/32″ |
| 243 mm | 9.5669″ | 9 9/16″ |
240 mm in Other Units
Millimeters convert cleanly into every other length unit. Here is 240 mm expressed seven different ways — useful when a drawing, spec sheet or supplier quotes a unit other than inches.
| Unit | 240 mm equals |
|---|---|
| Centimeters (cm) | 24 cm |
| Meters (m) | 0.24 m |
| Inches (in) | 9.4488 in |
| Feet (ft) | 0.7874 ft |
| Yards (yd) | 0.26247 yd |
| Thousandths of an inch (mil) | 9,448.8 mil |
| Typographic points (1/72 in) | 680.31 pt |
How Accurate Is Each Fraction of 240 mm?
240 mm equals 9.4488″ (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 240 mm.
| Rounded to | Fraction | Decimal | Fraction vs. original |
|---|---|---|---|
| Nearest 1/2″ | 9 1/2″ | 9.5000″ | +1.300 mm (above original) |
| Nearest 1/4″ | 9 1/2″ | 9.5000″ | +1.300 mm (above original) |
| Nearest 1/8″ | 9 1/2″ | 9.5000″ | +1.300 mm (above original) |
| Nearest 1/16″ | 9 7/16″ | 9.4375″ | −0.288 mm (below original) |
| Nearest 1/32″ | 9 7/16″ | 9.4375″ | −0.288 mm (below original) |
| Nearest 1/64″ | 9 29/64″ | 9.4531″ | +0.109 mm (above original) |
For woodworking, DIY and general workshop use, 9 7/16″ is the practical choice — it lands within 0.4 mm of 240 mm. For machining, toolmaking or CAD, use the decimal value 9.4488″ rather than any fraction.
FAQ About 240 mm to Inches
How many inches is 240 mm?
240 millimeters equals 9.4488 inches (rounded to 4 decimal places), or approximately 9 29/64″ (nearest 1/64 inch).
How accurate is the 240 mm to inches conversion?
The conversion of 240 mm to 9.4488 inches uses the exact definition 1 inch = 25.4 millimeters; the four-decimal result is rounded, so it is approximate.
Can I convert 240 mm to feet?
Yes. 240 millimeters equals approximately 0 ft 9.45 in.
📏 Need to measure 240mm accurately?
A tape measure marked in millimeters covers 240 mm and much more (240 mm ≈ 9.4488″). See current options:
Read our 25ft tape measure buying guide →
As an Amazon Associate, we earn from qualifying purchases at no extra cost to you.