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Formula
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| Input Length | 5 |
|---|---|
| Input Width | 3 |
| Diagonal | 5.83 |
| Perimeter | 16 |
| Area | 15 |
| Angle (degrees) | 30.96 |
Calculate the area of a rectangle with this easy-to-use Rectangle Area Calculator. Input length and width to instantly determine the space within your rectangular shape.
Rectangle Length Calculator
Calculate the diagonal of a rectangle with this easy-to-use Rectangle Diagonal Calculator. Input length and width to instantly determine the diagonal measurement. Perfect for DIY projects, construction, and geometry studies.
Calculate the perimeter of a rectangle with this easy-to-use Rectangle Perimeter Calculator. Input length and width to instantly determine the distance around your rectangular shape.
Rectangle Width Calculator
Use this online stopwatch to measure time intervals precisely. Start, stop, and reset with ease.
Free online countdown timer. Set hours, minutes, and seconds to count down easily. Simple, fast, and useful for work, study, or daily tasks.
Simple online counter tool. Increase, decrease, or reset numbers instantly. Set custom step values and limits with ease.