Health & calculations
12 tools available
Calculate the optimal toasting time for bread based on type, thickness, desired toastiness level, and whether the bread is fresh or frozen.
Calculate household water consumption and costs. Track daily, weekly, monthly, and yearly water usage from showers, baths, toilets, dishwashers, and washing machines.
Calculate your blink rate per minute and analyze your blinking patterns for eye health.
Calculate leg length, inseam, and sitting height based on your total body height using anthropometric ratios.
Calculate optimal sleep and wake times based on 90-minute REM sleep cycles for better sleep quality.
Estimate body mass index based on weight and height measurements.
Calculate bra size based on band and bust measurements with support for different sizing systems.
Calculate the proper jump rope length based on your height and skill level for optimal performance.
Calculate the blood alcohol content based on the number of drinks consumed and body weight.
Calculate cycling cadence, gear ratios, and speed for optimal bike performance
Calculate estimated recovery time from jet lag based on time difference and age.
Description for Child Eye Color Calculator