Kalkulator luas persegi panjang
Hitung luas dan keliling persegi panjang.
Luas20
Keliling18
Cara menggunakan
Enter your values above and read the result instantly.
Cara kerja
Everything is computed locally in your browser — nothing is uploaded.
Pertanyaan umum
Is it free?
Yes, completely free with no limits.
Is my data private?
Yes, all processing happens in your browser.