Free tool — enter a seed density (grams per standard 10"x20" tray) and either your tray count or your seed stock, to see the other side of the equation.
| Crop | Typical density (g / 10x20 tray) |
|---|---|
| Broccoli | 18–22 g |
| Radish | 25–30 g |
| Sunflower (hulled) | 140–180 g |
| Pea shoots | 250–350 g |
| Arugula | 10–14 g |
Typical ranges only — actual density varies by seed lot and tray size. Microgreens Pro + AutoPilot stores your own proven density per crop and blend automatically.