Tools

Free client-side calculators for everyday terminal and measurement math. Everything runs in your browser — nothing is sent anywhere.

BS&W Net Volume

Deduct basic sediment and water from a gross observed volume to get net.

Predict the API gravity of two crude streams combined in one tank, weighted by volume.

Estimate the liquid volume held in a straight run of pipe from inside diameter and length.

Compute the common 93% planning aim and 95% planning ceiling for a tank car from its shell capacity.

Estimate the volume correction factor that adjusts an observed crude volume to 60 °F.

Convert between the three common liquid volume units used in crude oil measurement.

All results are an engineering estimate — not for custody transfer. Field measurement and certified tables govern.