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Tomato Feed Calculator — Feeding Schedules & Quantities

Calculate tomato feed dilution rates and feeding schedules.

How We Calculate This

Total feeds = Feeding weeks x feeds per week (weekly feeding is standard). Water per feed = Number of plants x litres per plant.

Concentrate needed = Total water x dilution rate (typically 10ml per litre for liquid concentrates like Tomorite).

Bottles needed = Total concentrate / bottle size. Most UK tomato feeds come in 500ml or 1 litre bottles.

Frequently Asked Questions

Last updated: February 2026

All calculations are estimates based on standard gardening guidelines. Results may vary with soil conditions, climate, and plant varieties.