Calculators

Calculates the estimated amount of buffering agent needed to adjust soil pH to a target level. This calculator uses a simplified approach and provides an estimate. Actual buffering agent requirements may vary based on soil type, organic matter content, and other factors. Always conduct a soil test and follow the buffering agent manufacturer's recommendations.

This calculator determines the amount of compost needed for gardening based on the area to be covered and the desired compost depth.

Predicts the possible colors of rabbit offspring based on the genetic color alleles of the parents.

This calculator converts a hamster's age in months to an equivalent age in human years.

This calculator predicts the calving date for various cow breeds based on the breed and the breeding date.

Calculates the probability of winning a poker hand or hitting specific cards based on known cards and opponents.

Calculates the probability that at least two people in a group share the same birthday.

Calculates the length of a side of a right-angled triangle given the other two sides (a² + b² = c²).

This calculator helps you estimate how much you need to save for retirement based on your desired retirement income, current savings, and other factors.

Calculates the periodic lease payment for an asset based on its cost, lease term, residual value, and interest rate.