ft2 から in2 変換ツール - 平方フィート から 平方インチ

Conversion derivation

Express both ft2 and in2 in the same base unit m2 (square meter), then cancel the shared base unit.

1. 1

   Rewrite ft2 in the base unit

   $$1ft2=0.092903m2$$
2. 2

   Rewrite in2 in the base unit

   $$1in2=0.00064516m2$$
3. 3

   Forward conversion

   $$\begin{array}{rl}1ft2& =\frac{0.092903\cancel{m2}}{0.00064516\cancel{m2}}\times 1in2\\ & =\frac{0.092903}{0.00064516}in2\\ & =143.999938in2\end{array}$$
4. 4

   Reverse conversion

   $$\begin{array}{rl}1in2& =\frac{0.00064516\cancel{m2}}{0.092903\cancel{m2}}\times 1ft2\\ & =\frac{0.00064516}{0.092903}ft2\\ & =0.006944447434ft2\end{array}$$