UD5 Toolkit
Child Height Predictor - Online Mid-Parental Method
Estimate a child's potential adult height using the mid-parental height formula (adjusted for gender). Educational tool, not a medical prediction.
Prediction & Estimation Tools
4+ toolsSimple Tide Predictor – Online Approx High/Low Times
Enter a reference port's high tide and see estimated tides for the next 3 days using rule of twelfths. Educational.
Puppy Adult Weight Predictor – Online by Breed & Age
Enter current weight and age to estimate adult weight based on growth curves. For purebred and mixed.
Baby Gender Predictor - Online Old Wives' Tales & Fun Tests
Collect popular old wives' tales (Chinese gender chart, ring test, cravings) for a purely-for-fun gender prediction. No scientific claims. Local only.