Home › Calculators › mA, mAh, mA·s, Coulombs and Time
Enter a value in any one box, then press Calculate.
From the book — Chapters 2 & 3. 1 A = 1000 mA. 1 mAh = 3600 mA·s. 1 C = 1000 mA·s. A budget adds mA·s and divides by seconds; a pack is quoted in mAh. Getting between the two is the whole trick.
Fill in one box on each row. The other units on that row follow. Everything stays in your browser — no sign-up, nothing stored.