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Bulb Spacing Calculator

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This calculator determines the optimal spacing for planting bulbs based on the bulb's diameter and the desired spacing factor.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Bulb Diameter and Spacing Factor in the units shown.

Step 2

Read Optimal Spacing in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Small Bulbs

Bulb Diameter: 1 inches; Spacing Factor: 2

Optimal Spacing: 2 inches

Medium Bulbs

Bulb Diameter: 2.5 inches; Spacing Factor: 2.5

Optimal Spacing: 6.25 inches

Large Bulbs

Bulb Diameter: 4 inches; Spacing Factor: 3

Optimal Spacing: 12 inches

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