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Read articleConvert Liters of Liquid Fertilizer (NPK) to KG
Liquid Fertilizer (NPK) weighs 1.2 kg per litre. Convert litres to kilograms (and back) using its exact density.
Quick Metrology Summary
1 liter of Liquid Fertilizer (NPK) weighs approximately 1.2 kilograms (or 1200 grams) at standard room temperature. Because mass equals volume multiplied by density (\(m = V \times \rho\)), multiplying volume in liters by 1.2 gives the exact mass in kg.
Liquid Fertilizer (NPK): Weight per Litre Explained
Liquid Fertilizer (NPK) has a density of 1.2 kg/L, which makes it 20% heavier than water. Concentrated NPK liquid fertiliser is a salt solution at around 1.2 kg/L, so it is heavier than water.
When You Need This Conversion
Farm dosing, greenhouse feed tanks, drum transport and calibrating sprayers.
What Changes the Density
Grades vary: UAN-32 nitrogen solution is 1.32 kg/L, whereas lower-strength NPK blends are near 1.1.
How it works
Enter the litres of liquid fertilizer (npk)
Type the volume in litres. The calculator is preset to Liquid Fertilizer (NPK) at 1.2 kg/L.
Switch direction if needed
Flip to kilograms → litres to find how much space a given weight of liquid fertilizer (npk) takes up.
Read the result
See kilograms, pounds, millilitres and gallons. Each litre adds 1.2 kg.
How to Convert Liters of Liquid Fertilizer (NPK) to Kilograms
Concentrated NPK liquid fertiliser is a salt solution at around 1.2 kg/L, so it is heavier than water. To convert, multiply the volume in litres by 1.2. To go the other way, divide the weight in kilograms by 1.2.
kg = Litres × 1.2
L = kg ÷ 1.2
1 L → 1.2 kg
10 L → 12 kg
100 L → 120 kgExample
Convert 5 litres of liquid fertilizer (npk) to kilograms: 5 × 1.2 = 6 kg, or 13.23 lb. Reversed: 6 kg ÷ 1.2 = 5 L.
Worked examples
| Scenario | Calculation | Result |
|---|---|---|
| 1 L of liquid fertilizer (npk) | 1 × 1.2 kg/L | 1.2 kg |
| 5 L of liquid fertilizer (npk) | 5 × 1.2 kg/L | 6 kg |
| 20 L of liquid fertilizer (npk) | 20 × 1.2 kg/L | 24 kg |
| 100 L of liquid fertilizer (npk) | 100 × 1.2 kg/L | 120 kg |
| 10 kg of liquid fertilizer (npk) (reverse) | 10 ÷ 1.2 kg/L | 8.33 L |
Conversion reference
| Litres | Kilograms | Pounds | US gallons |
|---|---|---|---|
| 0.25 L | 0.3 kg | 0.66 lb | 0.07 gal |
| 0.5 L | 0.6 kg | 1.32 lb | 0.13 gal |
| 1 L | 1.2 kg | 2.65 lb | 0.26 gal |
| 2 L | 2.4 kg | 5.29 lb | 0.53 gal |
| 5 L | 6 kg | 13.23 lb | 1.32 gal |
| 10 L | 12 kg | 26.46 lb | 2.64 gal |
| 20 L | 24 kg | 52.91 lb | 5.28 gal |
| 50 L | 60 kg | 132.28 lb | 13.21 gal |
| 100 L | 120 kg | 264.55 lb | 26.42 gal |
Quick facts
- 1 litre of liquid fertilizer (npk) weighs 1.2 kg (1200 g), which is 20% heavier than water.
- 1 kg of liquid fertilizer (npk) fills 0.833 litres (833 mL).
- 1 m³ (1,000 L) of liquid fertilizer (npk) weighs 1200 kg.
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Read articleFrequently asked questions
20 × 1.2 = 24 kg.
Usually by volume on the label, but nutrient content is by weight, so density links the two.
1 litre of liquid fertilizer (npk) weighs 1.2 kg (1200 grams, or 2.65 lb), using a density of 1.2 kg/L.
1 kg of liquid fertilizer (npk) is 0.833 litres. Divide the weight by the density: 1 ÷ 1.2 = 0.833.
Multiply the volume by 1.2. For example, 10 litres of liquid fertilizer (npk) is 12 kg and 50 litres is 60 kg.
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