Artificial Fertilizer Calculator
Enter your application rate and field size to calculate total fertilizer required. Add N, P, K, S and Mg content to see nutrient delivery per acre and hectare.
Fertilizer Spreading Trays
Calibrate your spreader — catch trays measure actual spread pattern and output rate
Leatherman Multi-Tool
Useful in any field setting — blades, pliers, screwdrivers in one pocket-sized tool
Fertilizer / Workshop Degreaser
Removes fertilizer residue and general workshop grime from spreaders and equipment
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Application Rate & Field Size
Enter your target application rate and the area to cover.
Common UK Fertilizer NPK Values
Don’t know your N/P/K kg per tonne? Click a row below to fill it in automatically.
| Fertilizer | N kg/t | P kg/t | K kg/t | S kg/t |
|---|---|---|---|---|
| 34.5% AN | 345 | — | — | — |
| Urea 46N | 460 | — | — | — |
| CAN 26N | 260 | — | — | — |
| NPK 20:10:10 | 200 | 100 | 100 | — |
| NPK 27:5:5 | 270 | 50 | 50 | — |
| DAP 18:46:0 | 180 | 460 | — | — |
| Triple Super | — | 460 | — | — |
| MOP 0:0:60 | — | — | 600 | — |
| SOP 0:0:50 | — | — | 500 | 48 |
Approximate values — always check the product label. P expressed as P₂O₅, K as K₂O. Values are kg of nutrient per tonne of product.
Folding Field Knife
A proper locking blade for opening bags, cutting twine and general fieldwork
Kneeling / Field Pad
For soil sampling and crop inspection — foam pad keeps knees dry
Dust Mask / P3 Respirator
Protect yourself when filling hoppers or working around dry fertilizer dust
Cable Ties / Workshop Pack
Always needed around machinery — bulk pack for keeping spreader linkages tidy
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