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LNG Boil-Off Gas Rate Calculator

Estimate the daily boil-off gas rate and volume lost from an LNG storage tank due to heat ingress.

Your inputs

Change any value to update the result instantly.

Science & Environment
tons
%/day
days

Total boil-off over period

2,250 tons

Daily boil-off

75 tons/day

Energy equivalent of boil-off

124.88 GJ

Remaining LNG after period

47,750 tons

Formula and working

BOG rate (%/day) applied to stored LNG mass

  1. 1

    Collect the inputs

    LNG stored mass = 50,000 tons; Daily boil-off rate = 0.15 %/day; Storage duration = 30 days

  2. 2

    Apply the formula

    BOG rate (%/day) applied to stored LNG mass

  3. 3

    Result

    Total boil-off over period = 2,250 tons

Frequently asked questions

Important limitation

This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.

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