Calculation error between two time stamps.

Question

I am currently having a calculation error. first row total should be 2,50 but I am getting 3,50.

The second row calculation is correct with the exact same formula. Only difference is that the second row does not have any minutes.

=IFERROR(VALUE(LEFT([Time Out]@row; 2)) + (VALUE(RIGHT([Time Out]@row; 2)) / 60) - VALUE(LEFT([Time In]@row; 2)) + (VALUE(RIGHT([Time In]@row; 2)) / 60); 0)

I dont know where I am going wrong with this formula.

Any assistance will be appreciated.

M

Genevieve P. · Accepted Answer

Hi @Michelle Basson

Try adding parentheses around the two separate statements to ensure the math is calculating in the correct order:

=IFERROR((VALUE(LEFT([Time Out]@row, 2)) + (VALUE(RIGHT([Time Out]@row, 2)) / 60)) - (VALUE(LEFT([Time In]@row, 2)) + (VALUE(RIGHT([Time In]@row, 2)) / 60)), 0)

Let me know if this helped! 🙂

Genevieve