Pond Calculator Tools
Pond Pump Calculators & Water Garden Tools
Plan Smarter. Calculate Better. Build a Healthier Pond.
Make pond planning easier with simple, practical calculators designed for koi ponds, garden ponds, water features, and pond equipment. Estimate pond volume, pump requirements, water flow, and other important measurements with easy-to-use tools built for real pond projects.
Explore Pond CalculatorsA premium koi pond scene with five koi, aquatic plants, a pump waterfall, and a pond volume calculator demonstration showing 2,154 gallons.
Pump flow
2,400 GPH
Water turnover
1.5× / hour