Hydroponic Cost Calculator
Estimate how much it costs to build and run a hydroponic system. Adjust the settings below to see build costs, monthly expenses, and how quickly your garden pays for itself.
Configure Your System
Choose the type of hydroponic system you want to build.
6
Drag the slider or type a number (1-50 plants).
Recommended for indoor setups without a sunny window. Adds $25-$60 up front and $5-$12/mo electricity.
Estimated Costs & Savings
Estimated Build Cost
$120 - $150
Monthly Operating Cost
$8 - $23
Estimated Monthly Harvest Value
$18 - $30
Monthly Savings vs Grocery
$7 - $22
Estimated Time to Break Even
6 - 12 months
Frequently Asked Questions
The cost of building a hydroponic system varies widely depending on the type and size. Simple systems like Kratky or Wick can be built for as little as $10-$30, while more advanced setups like NFT or Aeroponics may cost $100-$300+. Most beginner-friendly systems fall in the $30-$100 range for a 4-8 plant setup.
No, hydroponics is generally very affordable to maintain. Monthly costs for nutrients and supplies typically run $3-$20 depending on your system type and number of plants. Electricity for pumps and air stones adds $3-$15/month. Passive systems like Kratky and Wick have virtually zero electricity costs.
A small hydroponic system growing lettuce and herbs can save you $10-$40 per month compared to grocery store prices. Herbs offer the highest savings since store-bought fresh herbs are expensive ($2-$4 per small package) while hydroponic herbs produce continuously for months. Most systems pay for themselves within 3-12 months.
It depends on your setup. Outdoor systems and indoor systems near a bright south-facing window may not need one. However, most indoor setups benefit from a grow light, especially in winter or rooms without strong natural light. Basic LED grow lights cost $25-$60 and add about $5-$12/month in electricity.
The Kratky method and Wick system are the cheapest hydroponic systems to build and run. A basic Kratky setup can be built for under $15 using a mason jar, net pot, and nutrients. Wick systems are similarly affordable. Both are passive systems with no pumps or electricity required, making them ideal for beginners on a tight budget.