NPK Calculator — Embeddable Widget | HarvestMath

NPK Calculator

Calculation type

Units

N %

P %

K %

Target rate (lb N per 1,000 sq ft)

Area (sq ft)

The math:

Total N = Rate × (Area ÷ 1,000)

Fertilizer Needed = Total N ÷ (N% ÷ 100)

Total actual N needed

5

lb

Fertilizer product needed

50

lb of 10-10-10

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