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Temperature Converter
Convert aquarium temperatures between Celsius, Fahrenheit and Kelvin. Type in any field — the others update instantly.
Common tank temps: 20 °C = 68 °F (goldfish), 25 °C = 77 °F (most tropicals), 28 °C = 82.4 °F (discus). Keep the thermometer at the opposite end to the heater for a true average.
Temperature Guide
Celsius
25.00 °C
Fahrenheit
77.00 °F
Kelvin
298.15 K
Water Temp Zone
Ideal tropical range
24–26 °C suits most community fish.
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