Tools & Calculators
Free client-side tools and field trade calculators — everything runs in your browser, nothing is sent anywhere.
Terminal & Ops Tools
BS&W Net Volume
Deduct basic sediment and water from a gross observed volume to get net.
API Gravity Blend
Predict the API gravity of two crude streams combined in one tank, weighted by volume.
Pipeline Volume (Line Fill)
Estimate the liquid volume held in a straight run of pipe from inside diameter and length.
Railcar Fill Limits
Compute the common 93% planning aim and 95% planning ceiling for a tank car from its shell capacity.
Temperature Correction (VCF)
Estimate the volume correction factor that adjusts an observed crude volume to 60 °F.
Liquid Volume Unit Converter
Convert between the three common liquid volume units used in crude oil measurement.
Field Trade Calculators
Pick a trade — each opens its own set of calculators.
All results are an engineering estimate — not for custody transfer. Field measurement and certified tables govern.