Plan your urban garden with precision using our interactive yield calculator. Estimate harvests, optimize space, and maximize productivity with data-driven planning for 30+ popular vegetables.
Calculate Your YieldMake informed decisions about your garden layout with accurate yield predictions based on proven data from urban farming research and real-world harvests.
Enter your garden dimensions and crop choices to instantly calculate expected yields in pounds or kilograms—perfect for meal planning and preserving estimates.
Try CalculatorAccess comprehensive yield data for 30+ vegetables including tomatoes, lettuce, peppers, and herbs—organized by space efficiency and growing season.
View DatabaseCompare crops side-by-side to identify the most productive vegetables per square foot, helping you prioritize high-yield options for limited space.
Optimize SpaceSelect your crop and enter your garden size to get instant harvest estimates based on average yields from urban farms and research trials.
Note: Yields vary based on variety, growing conditions, season length, and care practices. These estimates represent average results for well-maintained urban gardens.
Follow these proven strategies to achieve or exceed the yield estimates from our calculator and get the most food from every square foot.
Start with nutrient-rich organic soil amended with compost. Healthy soil delivers 30-50% higher yields than depleted ground.
Follow seed packet instructions—overcrowding reduces yields while proper spacing ensures optimal light, airflow, and nutrient access.
Drip irrigation or soaker hoses maintain even soil moisture, critical for maximizing fruit set and preventing stress-related yield loss.
Plant fast crops like lettuce and radishes every 2-3 weeks to multiply annual yields from the same space throughout the season.
Compare expected yields across popular vegetables to plan your garden for maximum productivity and food value per square foot.
| Vegetable | Yield per Sq Ft | Yield per Plant | Growing Season |
|---|---|---|---|
| Tomatoes (Greenhouse) | 2.3 - 11.6 lbs/sq ft | 10 - 25 lbs | 80-100 days |
| Tomatoes (Outdoor) | 1.8 - 4.5 lbs/sq ft | 8 - 15 lbs | 70-85 days |
| Cucumbers | 1.8 - 11.6 lbs/sq ft | 10 lbs | 50-70 days |
| Zucchini/Courgette | 1.8 - 2.7 lbs/sq ft | 6-10 lbs | 45-60 days |
| Bell Peppers | 1.4 - 2.3 lbs/sq ft | 3.9 lbs (9-10 fruits) | 60-90 days |
| Lettuce (Head) | 1.4 lbs/sq ft | 0.5 - 1 lb | 45-60 days |
| Carrots | 1.4 - 2.3 lbs/sq ft | 0.1 - 0.2 lbs | 60-80 days |
| Potatoes | 1.4 - 2.3 lbs/sq ft | 2 - 5 lbs | 90-120 days |
| Bush Beans | 0.45 - 0.9 lbs/sq ft | 0.5 - 1 lb | 50-60 days |
| Broccoli | 0.7 - 0.9 lbs/sq ft | 0.87 lbs (1 head) | 70-100 days |
| Spinach | 0.9 - 1.4 lbs/sq ft | 0.25 lbs | 40-50 days |
| Kale/Chard | 1.8 - 2.3 lbs/sq ft | 1 - 2 lbs | 50-70 days |
| Radishes | 1.4 - 1.8 lbs/sq ft | 0.05 lbs | 25-30 days |
| Onions | 1.4 - 2.7 lbs/sq ft | 0.25 - 0.5 lbs | 90-120 days |
| Cabbage | 2.3 - 3.6 lbs/sq ft | 2 - 4 lbs | 70-100 days |
Real urban gardeners share how yield planning helped them maximize harvests and achieve self-sufficiency goals.
"Using the yield calculator, I planned my 4x8 raised beds to feed our family of four all summer. We harvested exactly what the calculator predicted—42 lbs of tomatoes, 18 lbs of peppers, and endless greens!"
"I was shocked when my 100 sq ft rooftop produced 215 lbs of vegetables in one season. The calculator helped me prioritize high-yield crops like zucchini and tomatoes—now I preserve for winter!"
"The yield database showed me lettuce and radishes could give multiple harvests per season. I switched from long-season crops and tripled my output using succession planting."
Know exactly how much food you'll grow before planting, helping you meet family needs and avoid waste from over-planting.
Identify high-yield crops per square foot to maximize productivity in limited urban spaces like balconies and rooftops.
Calculate the monetary value of your harvest and see ROI—most gardens return $3-6 for every $1 spent on inputs.
Plan multiple plantings of fast-maturing crops to multiply yields 2-4x from the same space throughout the season.
Use our yield calculator to design a garden that delivers exactly what your family needs—maximize every square foot and enjoy abundant harvests.
Calculate Your Yield Now