Total Body Water (Watson Formula)

About

Total body water can be estimated using the following classic formulae:

For males

Total Body Water (TBW) = 2.447 - 0.09516 X age + 0.1074 X height + 0.3362 X weight

  • Water in Litres
  • Age in years
  • Height in cm
  • Weight in kg

For females

TBW = -2.097 + 0.1069 X height + 0.2466 X weight

  • Water in Litres
  • Height in cm
  • Weight in kg

References

Watson PE, Watson ID, Batt RD.

American Journal of Clinical Nutrition 1980, 33 (1): 27-39

The Total Body Water (Watson Formula) calculator is created by QxMD.
Default Units

1. Height?

0/4 completed

About

Total body water can be estimated using the following classic formulae:

For males

Total Body Water (TBW) = 2.447 - 0.09516 X age + 0.1074 X height + 0.3362 X weight

  • Water in Litres
  • Age in years
  • Height in cm
  • Weight in kg

For females

TBW = -2.097 + 0.1069 X height + 0.2466 X weight

  • Water in Litres
  • Height in cm
  • Weight in kg

References

Watson PE, Watson ID, Batt RD.

American Journal of Clinical Nutrition 1980, 33 (1): 27-39

The Total Body Water (Watson Formula) calculator is created by QxMD.
Legal Notices and Disclaimer

© 2020 QxMD Software Inc., all rights reserved. No part of this service may be reproduced in any way without express written consent of QxMD. This information should not be used for the diagnosis or treatment of any health problem or disease. This information is not intended to replace clinical judgment or guide individual patient care in any manner. Click here for full notice and disclaimer.