Convert lb·ft² to kg·m²
1 pound square foot equals 0.04214011 kilogram square meters. Enter a value below to convert instantly.
Multiply the number of pound square feet by 0.0421401100938 to get kilogram square meters. How this is calculated
Need the other direction? Convert kilogram square meter to pound square foot →
Formula
Multiply the number of pound square feet by 0.0421401100938 to get kilogram square meters.
Step by step
- Start with 1 lb·ft².
- Multiply by the conversion factor 0.0421401100938.
- 1 × 0.0421401100938 = 0.04214011 kg·m².
Pound Square Feet to Kilogram Square Meters conversion table
| Pound Square Feet (lb·ft²) | Kilogram Square Meters (kg·m²) |
|---|---|
| 1 | 0.04214011 |
| 2 | 0.08428022 |
| 5 | 0.21070055 |
| 10 | 0.4214011 |
| 20 | 0.8428022 |
| 50 | 2.1070055 |
| 100 | 4.214011 |
Convert Pound Square Foot to other moment of inertia units
1 lb·ft² expressed in every other moment of inertia unit on this site.
- Kilogram Square Meter kg·m² 0.04214011
- Kilogram Square Centimeter kg·cm² 421.4011
- Kilogram Square Millimeter kg·mm² 42,140.11
- Gram Square Meter g·m² 42.14011
- Gram Square Centimeter g·cm² 421,401.1
- Gram Square Millimeter g·mm² 42,140,110
- Kilogram-force Meter Second² kgf·m·s² 0.0042970953
- Pound Square Foot lb·ft² 1
- Pound Square Inch lb·in² 144
- Ounce Square Inch oz·in² 2,304
- Slug Square Foot slug·ft² 0.03108095
- Slug Square Inch slug·in² 4.4756568
- Kilogram-force Centimeter Square Second kgf·cm·s² 0.42970953
- Pound-force Inch Square Second lbf·in·s² 0.3729714
- Pound-force Foot Second² lbf·ft·s² 0.03108095
- Ounce-force Inch Second² ozf·in·s² 5.9675424
About the pound square foot
The pound square foot (lb·ft²) is a Imperial unit of moment of inertia.
About the kilogram square meter
The kilogram square meter (kg·m²) is a SI unit of moment of inertia.
Where this conversion is used
Converting pound square feet to kilogram square meters comes up when flywheels, servo sizing, driveline design, and robotics. Pound square feet and slug square feet look similar but differ by a factor of about 32.2 — mixing them up is a classic sizing error.
Related conversions
Frequently asked questions
How many kilogram square meters are in a pound square foot?
One pound square foot equals 0.04214011 kilogram square meters.
How do you convert pound square feet to kilogram square meters?
Multiply the number of pound square feet by 0.0421401100938 to get kilogram square meters.
What is 1 kilogram square meter in pound square feet?
One kilogram square meter equals 23.73036 pound square feet.
When would I convert pound square feet to kilogram square meters?
This conversion is common when flywheels, servo sizing, driveline design, and robotics.
Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.