Pound Square Foot to Gram Square Millimeter Conversion

Convert between Pound Square Foot and Gram Square Millimeter quickly and accurately.

lb·ft²
g·mm²

How to Convert Pound Square Foot to Gram Square Millimeter

Conversion Formula

1 lb·ft² = 42140110.1 g·mm²
1 g·mm² = 2E-8 lb·ft²

Example

Convert 15 lb·ft² to g·mm²:

15 lb·ft² = 15 × 42140110.1 g·mm² = 632101651.5 g·mm²

Unit Information

Learn about the moment of inertia units you're converting between

Pound Square Foot

lb·ft²

Definition

The pound square foot (lb·ft²) is a unit of moment of inertia in the imperial system. It is commonly used in US engineering and construction applications.

History/Origin

This unit combines the pound (mass) with the square foot, providing a measure of moment of inertia in the imperial system for larger scale applications.

Current Use

Widely used in US engineering, construction, and mechanical design where imperial units are preferred for moment of inertia calculations in larger systems.

Multiplier

0.042

Offset

0

Gram Square Millimeter

g·mm²

Definition

The gram square millimeter (g·mm²) is a unit of moment of inertia for very small rotating components. It is used in micro-mechanical and precision applications.

History/Origin

Based on the gram and square millimeter, this unit provides moment of inertia measurements for micro-scale mechanical systems and precision engineering applications.

Current Use

Used in micro-mechanical systems, precision instruments, small electronic components, and applications requiring very fine-scale moment of inertia calculations with gram-mass units.

Multiplier

1E-9

Offset

0

Pound Square Foot to Gram Square Millimeter Conversion Table

Pound Square Foot [lb·ft²] Gram Square Millimeter [g·mm²]
1 lb·ft² 42140110.1000000015 g·mm²
10 lb·ft² 421401101 g·mm²
25 lb·ft² 1053502752.5 g·mm²
50 lb·ft² 2107005505 g·mm²
100 lb·ft² 4214011010 g·mm²
0 lb·ft² 0E+0 g·mm²
-10 lb·ft² -421401101 g·mm²
-40 lb·ft² -1685604404 g·mm²