What factor is used to convert pounds to kilograms?

Rationale

To convert pounds to kilograms, the factor used is 2.2.

This conversion factor indicates that one pound is approximately equal to 0.453592 kilograms, and using the factor of 2.2 provides a simplified approximation for quick calculations.

A (0.22) YOUR ANSWER

This value is incorrect because it underestimates the conversion factor needed to convert pounds to kilograms. In fact, 0.22 would imply that one pound is significantly less than a quarter of a kilogram, which is not accurate.

B (2.2) CORRECT

This is the correct factor used in the conversion from pounds to kilograms. Multiplying the number of pounds by 2.2 gives a close approximation of the weight in kilograms, making it a commonly used figure for quick mental calculations.

C (22) YOUR ANSWER

This option is incorrect as it suggests an exaggerated conversion factor. Using 22 would imply that one pound equals 22 kilograms, which is far from the truth, as it significantly inflates the actual weight conversion.

D (220) YOUR ANSWER

This choice is also incorrect, as it represents an unrealistic conversion factor. A factor of 220 would imply that one pound is equivalent to 220 kilograms, which is grossly inaccurate and not applicable in any realistic weight conversion scenario.

Conclusion

To convert pounds to kilograms accurately, the factor of 2.2 is the most practical and widely accepted approximation. Other factors, such as 0.22, 22, and 220, do not correctly represent the relationship between these two units of measurement, leading to significant errors in weight conversion. Understanding this conversion is essential for various applications, including scientific research, nutrition, and international trade.

What factor is used to convert pounds to kilograms?

To convert pounds to kilograms, the factor used is 2.2.

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