Age calculator
Your exact age on any date, from your DOB.
Open toolCalculate sphere volume and surface area.
Enter the labelled values, then process it. Copy or download the result.
Volume = 4πr³ ÷ 3; surface area = 4πr².
Radius: 3 → Volume: 113.0973355292 Surface area: 113.0973355292
Use consistent units and currency. These are general calculations; verify important results.