Farm calculators

Built on prices refreshed daily from public data. Change your own farm numbers and the result updates at once.

Wholesale prices 2026.10.08 SMP 2026-09 avg 114.94 KRW REC 2026-09 avg ₩71,482

• Produce market sales calculator

  Enter crop, quantity and transport cost to see which of Seoul, Busan, Daegu, Gwangju and Daejeon pays the most at today's prices.

  e.g. cherry tomatoes, 100 × 3 kg Gwangju +₩1.3M more than Seoul · ₩3.2M in hand
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• Solar income calculator

  Estimate revenue, monthly profit and payback from capacity, SMP, REC, construction cost and loans.

  e.g. 100 kW, no loan ₩1.7M / month after O&M · payback 8.7 years
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• Farm cold storage cost calculator

  Pick a size and crop to see build cost, your share after subsidy, monthly electricity and storage conditions.

  e.g. 5 pyeong ₩11.0M–₩17.0M about ₩39,065 a month in power
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