3 centimeters to inches
1.18 in
3 cm = 1.18 in.
inches
1.18in
3 cm = 1.18 in
The short answer
How many inches is 3 centimeters?
3 cm = 1.18 in. 1 centimeter = 0.393701 inches, so the working is 3 × 0.393701 = 1.18.
To the nearest 1/16 that is 1 3/16 in.
The working
The factor below is an exact definition rather than a measurement, so nothing is approximated in the arithmetic. The only rounding on this page happens where a number is displayed.
1 centimeter = 0.393701 inches 3 × 0.393701 = 1.18
How much precision do you need?
Each row is the same answer cut at a different number of decimals, with what that choice costs you. Pick the shortest row whose error is smaller than whatever you are measuring with.
| Rounded to | Answer (in) | Off by |
|---|---|---|
| Whole number | 1 | −0.18110 |
| 1 decimal | 1.2 | +0.01890 |
| 2 decimals | 1.18 | −0.00110 |
Round trip: take 1.18 in back the other way and you land on 2.9972 cm — a drift of 0.0028 cm. That gap is the rounding, not the conversion.
Frequently asked questions
What is 3 centimeters in inches?
3 centimeters is 1.18 inches. 1 centimeter = 0.393701 inches, so the working is 3 × 0.393701 = 1.18.
What is 3 centimeters as a fraction?
To the nearest 1/16, 3 centimeters is 1 3/16 in. That is 0.0064 in over the exact value — well inside what a tape measure can resolve.
How accurate is 1.18 in?
Rounding to 1.18 in and converting straight back gives 2.9972 cm, a drift of 0.0028 cm from the 3 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
Any value at all
Cm to Inches Converter
Convert centimeters to inches — height, screen sizes, and product dimensions.
Open the cm to inches converter →