๐Ÿ› Bathtub Fill Time Calculator

Volume รท flow rate = time to fill.

Fill time13.3 min

Enter a bathtub's volume (liters) and the faucet's flow rate (liters per minute) to calculate how long it takes to fill.

How to use

  1. Enter the bathtub's volume (liters).
  2. Enter the faucet's flow rate (liters per minute).
  3. The fill time is calculated automatically.

FAQ

How do I find my bathtub's volume?

Many bathtubs list their full capacity in the product catalog or manual. A typical home bathtub holds roughly 200-300 liters.

How do I measure my faucet's flow rate?

Fill a 1-liter container and time how many seconds it takes, then estimate flow rate (liters/minute) as 60 รท seconds.

What's the formula?

Fill time (minutes) = bathtub volume (liters) รท flow rate (liters/minute) โ€” a simple division.