Vegetable Seed Calculator - Seeds Needed Per Garden Area

Plan your vegetable garden by calculating exactly how many seeds to purchase, accounting for plant spacing and seed germination rate.

Formula

Seeds = (Plants × Seeds/Hole) ÷ Germination Rate

Common Vegetable Spacing & Germination

VegetableSpacingGermination
Carrots2"70%
Lettuce8"80%
Tomatoes24"85%
Beans4"80%
Peppers18"75%