Hydroponics
Run your system on numbers instead of guesswork. Size a reservoir, convert EC to the PPM scale your meter actually uses, dial in vapor pressure deficit, and plan nutrients, irrigation, and light for a healthy grow.
Available now
3 live
Available
Reservoir Volume
Capacity from rectangular or round dimensions, with fill allowance.
AvailablePPM & EC Converter
Convert EC to the 500, 640, and 700 PPM scales, in either direction.
AvailableVPD Calculator
Vapor pressure deficit from temperature, humidity, and leaf offset.
All 31 calculators
linked tools are live; the rest are on the build list- Hydroponic Reservoir Volume CalculatorReservoir capacity from rectangular, round, or custom dimensions.Live
- PPM and EC ConverterConverts EC to the 500, 640, and 700 PPM scales.Live
- VPD Calculator for Grow RoomsVapor pressure deficit from temperature, humidity, and leaf offset.Live
- NFT Channel Water Volume CalculatorWater held in channels from length, width, depth, and quantity.Soon
- DWC Bucket Working Volume CalculatorSolution volume after net pot and air-gap allowance.Soon
- Hydroponic Water Use CalculatorSystem water use from a user-entered per-plant rate.Soon
- Irrigation Cycle Volume CalculatorWater delivered per plant from flow rate and runtime.Soon
- Grow Tray Capacity CalculatorFlood-tray working volume and overflow reserve.Soon
- Nutrient Mix Scaling CalculatorScales a manufacturer's stated nutrient amount to any reservoir.Soon
- Drip Emitter Flow CalculatorTotals irrigation flow from emitter rate, count, and zones.Soon
- Nutrient Concentrate Dilution CalculatorConcentrate and water volumes from a user-defined ratio.Soon
- EC Dilution CalculatorSource water needed to bring a measured EC toward target.Soon
- Pump Head and Delivered Flow EstimatorDelivered flow from a user-entered pump curve or measured points.Soon
- Reservoir Top-Off CalculatorMake-up water from measured level change or geometry.Soon
- Grow Light Coverage CalculatorFixture count from manufacturer coverage dimensions.Soon
- Hydroponic Plant Spacing CalculatorPlant sites by channel or tray dimensions and spacing.Soon
- Hydroponic Pump Turnover CalculatorReservoir turnovers per hour from actual pump flow.Soon
- Hydroponic Air Pump CalculatorAllocates rated air output across reservoirs and stones.Soon
- Air Stone Count CalculatorStone quantity from user-selected airflow per stone.Soon
- Grow Light Electricity Cost CalculatorEnergy cost from fixture watts, hours, and utility rate.Soon
- Drain-to-Waste Runoff CalculatorInput, runoff, and retained volume from measured drainage.Soon
- NFT Plant Site CalculatorHole count and equal spacing along one or more channels.Soon
- Grow Tent Plant Count CalculatorLayout capacity from tent dimensions and chosen spacing.Soon
- DLI Calculator from PPFDDaily light integral from measured PPFD and photoperiod.Soon
- PPFD Photoperiod CalculatorHours needed to reach a target DLI from measured PPFD.Soon
- Grow Room Air Exchange CalculatorFan airflow from room volume and exchanges per hour.Soon
- Staggered Harvest CalculatorPlanting intervals for a target weekly harvest quantity.Soon
- Reservoir Refill Duration CalculatorDays between refills from measured daily water use.Soon
- Hydroponic Crop Calendar CalculatorTransplant and harvest dates from crop durations.Soon
- Hydroponic System Operating Cost CalculatorTotals nutrients, water, electricity, media, and consumables.Soon
- Hydroponic Cost per Plant CalculatorPer-site or per-harvest cost from operating inputs.Soon
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