Stop doing feet-and-inch math in your head
Stop doing feet-and-inch math in your head. Construction Calc adds, subtracts, multiplies, and divides real jobsite measurements — feet, inches, and fractions — and gives you a clean answer rounded to the nearest 1/16". Built for framers, carpenters, remodelers, and serious DIYers who are tired of converting everything to decimals. THE CALCULATOR • Feet-inch-fraction +, −, ×, ÷ • Fractions to 1/16", automatically reduced • Live feet · inches · millimeters readout • Paperless tape — recent results stay visible while you work • Handles divide-by-zero and bad input gracefully BUILT-IN TRADE TOOLS • Stairs — enter total rise, get risers, riser height, treads, and total run • Rafter / Roof Pitch — rise and run give you rafter length and pitch • Area / Volume — square footage and concrete in cubic yards • Unit Convert — feet, inches, yards, mm, cm, meters ONE PRICE. NO SUBSCRIPTION. No monthly fee. No account. No ads. No tracking. Works completely offline. Designed for iPhone and iPad — on iPad the calculator and tools sit side by side.
| # | Name | Price | Currency | Region |
|---|---|---|---|---|
| 1 | Item | ¥ 38 | CNY | 中国 |
| 2 | Item | ¥ 38 | CNY | 香港 |
| 3 | Item | ¥ 499 | CNY | 印度 |
| 4 | Item | ¥ 800 | CNY | 日本 |
| 5 | Item | ¥ 7700 | CNY | 韩国 |
| 6 | Item | ¥ 7900 | CNY | 尼日利亚 |
| 7 | Item | ¥ 1300 | CNY | 巴基斯坦 |
| 8 | Item | ¥ 150 | CNY | 台湾 |
| 9 | Item | ¥ 4.99 | CNY | 美国 |
