Heart Rate Zone Calculator: Max HR, HRR and BPM
Calculate five heart rate training zones from age or measured maximum heart rate using percentage-of-max or heart rate reserve methods.
RPE Calculator: 1RM, RIR and Training Load
Calculate estimated 1RM or a target training load from weight, repetitions and RPE, with reps in reserve, percentages and rounded load tables.
One Rep Max Calculator: 1RM, Formulas and Percentages
Estimate one-repetition maximum from weight and reps, compare seven 1RM formulas, calculate a target-rep load and build a percentage table.
Moving Cost Calculator: Local, Long-Distance and DIY
Estimate a local mover, long-distance moving company, or DIY rental-truck budget with labor, transportation, packing, tax and contingency.
TV Size Calculator: Viewing Distance and Field of View
Calculate TV size from viewing distance and horizontal field of view, find the matching seating distance, measure the current viewing angle, or compare two screens.