Convert Knot to Speed of sound at 20 degrees Celsius
Unit definitions
Knot
A nautical mile is a unit of length used in navigation and is equal to $1\,852$ meters. A knot is a unit of speed expressed in nautical miles per hour.
Speed of sound at 20 degrees Celsius
The speed of sound in air is $343.21\ \text{m/s}$ at 20 degrees Celsius.
How to convert Knot to Speed of sound at 20 degrees Celsius
$$\text{Speed}_{\text{Speed of sound₂₀}} = \text{Speed}_{\text{kn}} \cdot 0.001498920324129379809575608066328034$$
Examples
Example 1
Convert $45.0\ \text{kn}$ to $\text{Speed of sound₂₀}$.
$$\text{Speed}_{\text{Speed of sound₂₀}} = 45.0 \cdot 0.001498920324129379809575608066328034$$
$$\text{Speed}_{\text{Speed of sound₂₀}} = 0.067451$$
$$\therefore \ 45.0\ \text{kn} = 0.067451 \ \text{Speed of sound₂₀}$$
Example 2
Convert $80.0\ \text{kn}$ to $\text{Speed of sound₂₀}$.
$$\text{Speed}_{\text{Speed of sound₂₀}} = 80.0 \cdot 0.001498920324129379809575608066328034$$
$$\text{Speed}_{\text{Speed of sound₂₀}} = 0.119914$$
$$\therefore \ 80.0\ \text{kn} = 0.119914 \ \text{Speed of sound₂₀}$$
Example 3
Convert $100.0\ \text{kn}$ to $\text{Speed of sound₂₀}$.
$$\text{Speed}_{\text{Speed of sound₂₀}} = 100.0 \cdot 0.001498920324129379809575608066328034$$
$$\text{Speed}_{\text{Speed of sound₂₀}} = 0.149892$$
$$\therefore \ 100.0\ \text{kn} = 0.149892 \ \text{Speed of sound₂₀}$$
Example 4
Convert $145.0\ \text{kn}$ to $\text{Speed of sound₂₀}$.
$$\text{Speed}_{\text{Speed of sound₂₀}} = 145.0 \cdot 0.001498920324129379809575608066328034$$
$$\text{Speed}_{\text{Speed of sound₂₀}} = 0.217343$$
$$\therefore \ 145.0\ \text{kn} = 0.217343 \ \text{Speed of sound₂₀}$$
Example 5
Convert $185.0\ \text{kn}$ to $\text{Speed of sound₂₀}$.
$$\text{Speed}_{\text{Speed of sound₂₀}} = 185.0 \cdot 0.001498920324129379809575608066328034$$
$$\text{Speed}_{\text{Speed of sound₂₀}} = 0.2773$$
$$\therefore \ 185.0\ \text{kn} = 0.2773 \ \text{Speed of sound₂₀}$$