The set of simple-to-use Microsoft Excel calculators are all bundled together in an easy to use spreadsheet format. Armed with these calculators you will be able to accurately measure your pond volume in any units you like. In addition you will be able to determine if your pond is over or under-stocked with fish as well as make a rational decision on how to save money on electricity used by your pond pumping system. No longer will you be faced with unknown parameters important to your pondkeeping efforts. The total cost of pump ownership is made easy and meaningful allowing you to probably save considerable sums on annual running costs for your pond. Your koi or fish food bill will also be able to be examined in detail to allow optimum choices between brands to be made in order to save money.