Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Farming
Soil Amendment Calculator
Calculate how much agricultural lime and organic matter you need — and what it will cost — to bring your soil to its target pH and fertility level. Use it after receiving a soil test report before planting season.
Fill in the required fields to see your result.
Farming
Soil pH Adjustment Calculator
Estimate how many tons of agricultural lime (to raise pH) or elemental sulfur (to lower pH) your field needs, based on current and target pH values, field size, soil type, and organic matter content. Use it before each planting season to optimize nutrient availability.
Fill in the required fields to see your result.
Key differences
| Soil Amendment Calculator | Soil pH Adjustment Calculator | |
|---|---|---|
| Category | Farming | Farming |
| Inputs required | 6 | 5 |
| Result | Soil Amendment Cost ($) | Lime Required (lbs) |
| What it does | Calculate how much agricultural lime and organic matter you need — and what it will cost — to bring your soil to its target pH and fertility level. Use it after receiving a soil test report before planting season. | Estimate how many tons of agricultural lime (to raise pH) or elemental sulfur (to lower pH) your field needs, based on current and target pH values, field size, soil type, and organic matter content. Use it before each planting season to optimize nutrient availability. |