Convert 40 Square Meter to công (sqm to công)
Square Meter (sqm) and công (công) are both units of length. With the conversion form below, you can effortlessly and accurately convert square meter to công. This free online calculator tool makes it simple and easy to perform the conversion from sqm to công.

Square Meter (sqm) and công (công) are both units of length. With the conversion form above, you can effortlessly and accurately convert square meter to công. This free online calculator tool makes it simple and easy to perform the conversion from sqm to công.
All Unit Conversions
What is Square Meter to công Conversion?
Square Meter (sqm) and công (công) are both units used to measure area, but they serve different purposes depending on the scale of the measurement. If you ever need to convert square meter to công, knowing the exact conversion formula is essential.
Sqm to công Conversion Formula:
One Square Meter is equal to 0.04 công.
Formula: 1 sqm = 0.04 công
By using this conversion factor, you can easily convert any area from square meter to công with precision.
How to Convert sqm to công?
Converting from sqm to công is a straightforward process. Follow these steps to ensure accurate conversions from square meter to công:
- Select the Square Meter Value: Start by determining the square meter (sqm) value you want to convert into công (công). This is your starting point.
- Multiply by the Conversion Factor: To convert square meter to công, multiply the selected sqm value by 0.04. This factor is essential for accurately converting from a smaller unit (sqm) to a much larger unit (công).
- Illustration of Multiplication:
- 1 sqm = 0.04 công
- 10 sqm = công
- 100 sqm = công
- Find the Conversion Result: The result of this multiplication is your converted value in công unit. This represents the same area but in a different unit.
- Save Your công Value: After converting, remember to save the result. This value represents the area you initially measured, now expressed in côngs.
- Alternative Method – Division: If you prefer not to multiply, you can achieve the same conversion by dividing the square meter value by 1000. This alternative method also gives you the correct area in côngs.
- Illustration of Division:
- công = sqm ÷ 1000