Vegetable Yield Calculator

Vegetable Yield Calculator Tool

Garden area and crops

Garden length (ft)

Garden width (ft)

Or area (sq ft)

Vegetable

Output unit

Reset

Estimates based on typical home garden yields under good conditions. Actual yield varies by variety, climate, and care.

Enter values and click Calculate

Expected harvest

Servings (est.)

at typical serving size

Meals (2 servings)

family of 2

Yield per sq ft

at entered crop yield

Area

sq ft

Why use this free vegetable yield calculator?

Built with the features most competitors miss — deeper inputs, benchmark data, and actionable guidance alongside the core calculation.

🥦

22 vegetable yield estimates

Pre-loaded lbs per sq ft estimates for 22 common vegetables based on typical home garden performance.

📈

Servings and meals from harvest

Translates pounds of harvest into estimated servings and family meals.

🌐

Lbs and kg output

Select pounds, kilograms, or both for international users.

📈

Yield per sq ft shown

Shows yield per sq ft alongside total, for comparing crop efficiency.

🌿

Works for beds, rows, and large gardens

Enter dimensions or area directly for any garden size.

🔒

Free, browser-based

No registration, no download. Works on any device.

How to use this vegetable yield calculator

Enter garden area

Enter length and width, or total sq ft for the area planted with this crop.

Select vegetable

Choose from 22 vegetables. The typical yield per sq ft is applied automatically.

Select output unit

Choose lbs, kg, or both.

Read yield and servings

Estimated total harvest, servings, and meals are shown alongside yield per sq ft.

Vegetable yield benchmarks per sq ft

Vegetable	Yield per sq ft	Servings per lb	Notes
Tomato	1.5 lbs	4	Indeterminate; season-long harvest
Zucchini	1.0 lbs	3	Harvest small for best production
Kale	0.75 lbs	5	Cut-and-come-again harvest
Cucumber	0.75 lbs	3	Frequent picking needed
Beans (bush)	0.25 lbs	4	Multiple harvests in season
Broccoli	0.3 lbs	4	One main head per plant

How this calculator compares

LazyTools fills the gaps most competing tools leave open — deeper analysis, benchmark context, and actionable guidance alongside the core calculation.

Feature	LazyTools	OmniCalculator	NC State Extension	Gardeners Supply
22 vegetable species	✓ Yes	✓	✗	✗
Servings and meals output	✓ Yes	✓	✗	✗
Lbs and kg	✓ Yes	✓	✗	✗
Area from dimensions	✓ Yes	✓	✓	✗
Yield per sq ft shown	✓ Yes	✓	✗	✗
Free, no registration	✓ Yes	✓	✓	✓

📖 Complete guide

Vegetable Yield Calculator: Complete Guide

Knowing how much food your vegetable garden will produce helps you plan what to grow, how much to preserve, and whether your garden will meet your household needs. These yield estimates are based on typical home garden productivity under good growing conditions.

Yield per square foot: why it varies

Yield per sq ft is not fixed — it depends on variety selection, soil fertility, watering consistency, pest and disease pressure, and how frequently fruits are harvested. High-performing varieties with consistent fertility and water can produce 50 to 100% above these averages. Poor soil or inconsistent management may yield 50% below these estimates. Use the estimates for initial planning, then track actual yields to calibrate future seasons.

High-yield vs low-yield crops per area

Best yields per sq ft: tomatoes, zucchini, kale, chard, cucumber, and lettuce are the highest-yielding crops for a small-space garden. They produce over a long continuous harvest window. Low-yield per area: sweet corn, broccoli, cauliflower, and winter squash take up large amounts of space relative to food produced. For small gardens, prioritise high-value, high-yield crops first.

Calculating food production for a family

The USDA recommends 2.5 to 3 cups of vegetables per day per person = approximately 300 to 400 lbs per person per year including all vegetables. A 1,000 sq ft vegetable garden (approximately 20x50 ft) with mixed crops at average yields produces 500 to 750 lbs of food — enough to supply 2 people for a full year with a diverse crop mix and succession planting.

Preserving surplus: canning and freezing

Peak-season surpluses from high-yield crops (tomatoes, beans, zucchini, cucumbers) can be preserved to extend value through the year. Tomato sauce: 12 to 15 lbs fresh per quart canned. Green beans: 1.5 to 2 lbs fresh per quart canned. Cucumbers: approximately 1.5 lbs per pint of pickles. Freezing vegetables: blanch and freeze in season at essentially any quantity without the equipment investment of pressure canning.

Frequently asked questions

How much do tomatoes yield per square foot?

Tomatoes yield approximately 1.0 to 2.5 lbs per sq ft of garden space per season in a well-managed garden. An indeterminate variety staked and caged in a 4 sq ft space can produce 15 to 25 lbs over a long season.

How much food can a 10x10 vegetable garden produce?

A 100 sq ft vegetable garden can produce 100 to 200 lbs of food per season depending on what you plant. High-yield crops like tomatoes, zucchini, and beans produce more; broccoli and cauliflower produce less per area.

How much zucchini does one plant produce?

One zucchini plant can produce 5 to 25 lbs of fruit over a season depending on growing conditions and how frequently it is harvested. Frequent picking encourages more production.

What vegetables produce the most food per square foot?

Highest-yield per sq ft: Tomatoes (1.5 lbs/sq ft), Kale (0.75 lbs/sq ft continuous harvest), Zucchini (1.0 lbs/sq ft), Swiss Chard (0.75 lbs/sq ft), Cucumbers (0.75 lbs/sq ft). Lowest-yield per area: Corn (0.5 lbs/sq ft), Broccoli (0.3 lbs/sq ft).

How many tomato plants do I need to can tomatoes?

For fresh salsa or sauce canning: 12 to 15 lbs of tomatoes per quart jar. A 100 sq ft tomato bed yielding 150 lbs produces approximately 10 to 12 quarts of sauce plus fresh eating. For serious canning, plan 20 to 40 lbs per person per year.

How much does a 4x8 raised bed yield?

A 4x8 ft (32 sq ft) raised bed of tomatoes can yield 45 to 80 lbs per season. Mixed vegetables at an average of 0.5 to 0.75 lbs/sq ft: 16 to 24 lbs total.

How do I calculate vegetable yield for a garden plan?

Multiply the area of each crop (sq ft) by the yield per sq ft for that crop. Add all crops to get total seasonal production. This helps plan whether you will have surplus for preserving or need to adjust crop mix for desired quantities.

What is a serving of vegetables?

A standard serving of vegetables is approximately 3 oz (85g) raw or 4 oz (113g) cooked, equivalent to about 1/2 cup. The USDA recommends 2.5 to 3 cups of vegetables per day per adult.

How much do vegetables yield per acre?

Commercial vegetable yields per acre: tomatoes 10,000 to 30,000 lbs; green beans 4,000 to 8,000 lbs; sweet corn 6,000 to 12,000 lbs; cucumbers 10,000 to 20,000 lbs; broccoli 5,000 to 12,000 lbs.