Spreadsheet Practice

How to convert Fahrenheit to Celsius in Excel

Formula (Excel and Google Sheets)

=(B2-32)*5/9

Subtract 32 and multiply by 5/9 with =(B2-32)*5/9, or use =CONVERT(B2,"F","C").

Result on the example
one result per row in C2, filled down to C7
Works in
Every current version
Google Sheets
Same formula

See it work

The formula is already in C2, filled down to C7. Change any input and the result updates, or edit the formula to experiment.

How it works

Water freezes at 32 °F and 0 °C, so subtract 32 first; then each Fahrenheit degree is 5/9 of a Celsius degree. 107 °F is 75 degrees above freezing, and 75 × 5/9 ≈ 41.7 °C. The parentheses make sure the subtraction happens before the multiplication.

=(B2-32)*5/9

Result41.66666667

  1. B2107

    The value in B2.

  2. B2-3275

    The - operator subtracts.

  3. B2-32)*5375

    The * operator multiplies.

  4. B2-32)*5/941.66666667

    The / operator divides.

In Google Sheets

The same formula works in Google Sheets: =(B2-32)*5/9. We ran it in Google Sheets mode on the same data and it returns the same results.

Other ways to do it

Each one was run on the same example sheet.

FormulaResultWhen to use it
=(B2-32)/1.841.7, 28.9, 22.2…Dividing by 1.8 is the same as multiplying by 5/9.

Common mistakes

  • =B2-32*5/9 without parentheses subtracts 17.8 from B2, which is wrong for every temperature.
  • CONVERT's unit codes are case-sensitive: "F" and "C" work, "f" and "c" return #N/A.

Try it yourself

Same data, empty answer cell. Your formula is graded instantly, then re-checked on changed data, so a typed-in number won't pass.

Convert Fahrenheit to Celsius

In C2, convert the temperature to Celsius, then fill down to C7.

Questions

How do I convert Celsius to Fahrenheit?

Reverse it: =B2*9/5+32, or =CONVERT(B2,"C","F").

What else can CONVERT do?

Lengths, weights, volumes and more: =CONVERT(B2,"mi","km") or =CONVERT(B2,"lbm","kg").

Checked by running on 2026-10-30: every formula and result on this page was calculated by the Spreadsheet Practice formula engine, in both Excel and Google Sheets modes.