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# Excel solution required : Calculation of sum of cells according to reference cell

## Excel solution required : Calculation of sum of cells according to reference cell

(OP)
Sir,

i want to calculate the overburden pressure at certain depth (reference C14) but including the effect of water table. As, below water table submerged density should be considered and above saturated density should be considered. So, i am looking for a formula which can calculate automatically the pressure by changing the water table depth (reference E1). Please see the attachments (spreadsheet and images)

Thank you.
[Sample image][1]

[sample image with cell formulas][2]

[Sample file][3]

[1]: https://i.stack.imgur.com/nKftl.jpg
[2]: https://i.stack.imgur.com/vFFq8.jpg
[3]: https://www.dropbox.com/s/t323yrpbrx79oil/water%20...

### RE: Excel solution required : Calculation of sum of cells according to reference cell

I can't do it all in one formula, but here's a method to do it with an additional column. You can change either the water table depth or the depth for the pressure to be calculated. I went quick so you should test before using too much.

### RE: Excel solution required : Calculation of sum of cells according to reference cell

(OP)
it works fine. Thank you for the formulae. many many thanks

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