Washing trainers leaves you guessing when you can wear them again. Enter the date and time the wash finished, the hours one pair takes to dry, how many pairs you have and how many fit on the rack at once, and the tool returns the clock time the whole lot is done. With room for only one pair, the rounds stack up and the finish time slides out with them.
The math runs in two steps: the number of pairs is divided by the pairs that fit at once and rounded up to give the number of rounds, then multiplied by the hours one pair takes. Rounding up happens once, at the end. Clock times use a 24-hour clock with two digits, and the date is shown as well when a round runs past midnight (as of October 2026).
No authoritative recommended drying time is offered here, because it swings widely with the material, the thickness, airflow and humidity. Whether a given material can be washed at all, how much detergent to use and what water temperature to pick are left out for the same reason. Follow the product label and the manufacturer guidance - this page only turns the hours you choose into clock times.
Frequently Asked Questions
No authoritative recommended drying time is offered here; it depends heavily on the material, thickness and airflow. Enter how long it took last time, or the figure in the manufacturer guidance, and the clock times follow from that.
No. No authoritative standard for washability, detergent dosing or water temperature per material was confirmed. This page calculates the drying finish time only.
Because one leftover pair still needs a whole round. Three pairs dried one at a time take three rounds; two at a time take two. The result label says the figure is rounded up.