Soil Mix Calculator
Calculate custom soil and potting mix ratios by plant type. Get exact amounts for peat, perlite, compost, and amendments.
Inputs
Used only with Custom Mix
Used only with Custom Mix
Used only with Custom Mix
Results
Peat / Coir
2.0 gal
Perlite
1.3 gal
Compost
1.8 gal
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Artisan by Irora Labs
March 23, 2026
Inputs
| Container Volume | 5 gal |
| Plant Type | general |
| Peat/Coir % | 40 % |
| Perlite % | 30 % |
| Compost % | 30 % |
Results
| Peat / Coir | 2.0 gal |
| Perlite | 1.3 gal |
| Compost | 1.8 gal |
Created with Artisan. artisan.iroralabs.com/craft-calculators/soil-mix
Tips
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Calculates component volumes from percentage ratios for the target container size. Includes plant-type presets for common mixes.
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