30 inches at a glance
- Centimeters
- 76.2 cm
- Millimeters
- 762 mm
- Meters
- 0.762 m
- Feet & inches
- 2 ft 6 in
- Feet (decimal)
- 2.5 ft
- Nearest whole cm
- 76 cm
How to convert 30 inches to cm
cm = inches × 2.54
30 × 2.54 = 76.2 cm
30 × 2.54 = 76.2 cm
Because the inch is defined as exactly 2.54 cm, 76.2 cm is exact — no rounding involved. To do it in your head, split 2.54 into 2.5 + 0.04: 30 × 2.5 = 75 and 30 × 0.04 = 1.2, which add up to 76.2.
Fractions of an inch around 30 in
Tape measures between 30 and 31 in are marked in eighths. Each eighth adds 3.175 mm:
| Inches | Centimeters | Millimeters |
|---|---|---|
| 30 | 76.2 | 762 |
| 30 1/8 | 76.5175 | 765.175 |
| 30 1/4 | 76.835 | 768.35 |
| 30 3/8 | 77.1525 | 771.525 |
| 30 1/2 | 77.47 | 774.7 |
| 30 5/8 | 77.7875 | 777.875 |
| 30 3/4 | 78.105 | 781.05 |
| 30 7/8 | 78.4225 | 784.225 |
30 inches in real life
- Screens. A 30-inch 16:9 screen (measured diagonally) is 76.2 cm across the diagonal, about 26.1 × 14.7 in (66.4 × 37.4 cm) for the picture itself.
- Clothing. US jeans and trousers are sized by waist and inseam in inches, so a 30 in waist is 76.2 cm around, and a 30 in inseam is 76.2 cm long.
Objects of a similar size
- About the same as the height of a typical desk or dining table, 76.2 cm (30 in).
- About the same as the circumference of a regulation basketball, 74.93 cm (29.5 in).
- 17% shorter than a yardstick, 91.44 cm (36 in).
Inches near 30 in
| Inches | Centimeters | Feet & inches / mm |
|---|---|---|
| 25 in | 63.5 cm | 2 ft 1 in |
| 26 in | 66.04 cm | 2 ft 2 in |
| 27 in | 68.58 cm | 2 ft 3 in |
| 28 in | 71.12 cm | 2 ft 4 in |
| 29 in | 73.66 cm | 2 ft 5 in |
| 30 in | 76.2 cm | 2 ft 6 in |
| 31 in | 78.74 cm | 2 ft 7 in |
| 32 in | 81.28 cm | 2 ft 8 in |
| 33 in | 83.82 cm | 2 ft 9 in |
| 34 in | 86.36 cm | 2 ft 10 in |
| 35 in | 88.9 cm | 2 ft 11 in |
Going the other way: 76 cm to inches is 29.92 in.
Frequently asked questions
How many cm is 30 inches?
30 inches is exactly 76.2 cm, because one inch is defined as 2.54 cm.
What is 30 inches in mm?
30 in = 762 mm (multiply by 25.4).
How many feet is 30 inches?
30 in is 2.5 feet, or 2 ft 6 in.
Is 30 inches the same as 76 cm?
Not quite: 30 in is 76.2 cm, so 76 cm is 2 mm too short — close enough for most everyday measuring.