Function in Excel to Subtract

What this does

Excel and Google Sheets have no SUBTRACT function because the minus sign already does the job: any formula that starts with = can subtract one cell or number from another. To subtract several values at once you can chain them (=A2-B2-C2) or subtract a SUM (=A2-SUM(B2:B10)), which is tidier when the list is long. The same idea underpins a lot of everyday Excel work, so the few minutes spent getting it right here pay back across every sheet you build afterwards. Treat it as a pattern, not a one-off, and it stops being something you look up and starts being something you reach for. Treat “function in excel to subtract” as a small repeatable workflow rather than a one-off click you hope to remember next time. Use a small test block before the live file, so any surprise in the affected formula shows up while it is still harmless. When a formula is involved, keep the inputs labelled beside it, reference cells instead of typing values, and apply number formatting only after the result checks out. That turns a calculation you can defend to a CFO or an auditor into a method you can reuse, explain, and defend when the workbook leaves your screen.

A worked example

To take expenses of 120 away from revenue of 500, type =500-120 (or =A2-B2 pointing at the two cells) and press Enter — the result is 380. To subtract a whole column of costs from a budget in B1, use =B1-SUM(B2:B20). Negative results display with a minus sign automatically. Subtraction is the quiet backbone of every variance, margin and running-total formula. Knowing there is no function — only the operator — saves you hunting for one and lets you build differences directly. One habit worth forming early: name the cells that hold your inputs, so the formula reads in plain language instead of a string of cell addresses. A reviewer — or you in three months — can then follow the logic without decoding what B7 and D2 were supposed to mean, which is most of what makes a sheet maintainable.

In Google Sheets

Google Sheets handles this almost identically to Excel. The formula syntax above is the same, and the menu lives under a slightly different label rather than a ribbon tab. Use the platform toggle at the top of the page to switch every keyboard shortcut between Windows and Mac, and expect at most cosmetic differences in naming. The aim was to get you unstuck fast and leave you a little more capable than a copy-paste would. The answer is at the top, the tool proves it, and the detail above shows why it holds — so the next time a colleague asks, you can answer without reaching for search. The short version of “function in excel to subtract”: the answer is at the top of this page, the tool proves it on your own numbers, and the sections above explain why it holds so the next variation does not stump you. Excel rewards people who reference cells instead of typing values and who keep inputs separate from formulas, because that is what makes a result you can audit months later. Build it once, deliberately, with the live tool as a check, and you convert a one-off lookup into a reusable skill — which is the whole point of learning the why and not just the what.

Common mistakes

• Looking for a SUBTRACT function — there is none; the − operator is the answer.
• Forgetting the leading =, so the sheet treats the entry as text.
• Subtracting cells that contain text or are blank, which can return errors or unexpected zeros.
• Mixing up the order — A2-B2 and B2-A2 differ by a sign.

Frequently asked questions