cash basis vs accrual basis
/ kash BAY-sis vurs uh-KROO-ul BAY-sis /
Suppose you do 1,000 dollars of consulting work in December but the client pays you in January. In which month did you earn that money? There are two honest answers, and they define the two great methods of accounting. One says you earned it in December when you did the work; the other says you earned it in January when the cash arrived. This choice — cash basis versus accrual basis — changes the whole timing of your reported profit.
Under the cash basis, you record revenue only when cash is actually received and expenses only when cash is actually paid. It is simple and mirrors your bank balance, so the December work would count as January income. Under the accrual basis, you record revenue when it is earned and expenses when they are incurred, regardless of when cash moves — so the December work is December revenue even though payment comes later, and a December electricity bill is a December expense even if you pay it in January. Accrual accounting therefore relies on the matching idea: report expenses in the same period as the revenue they helped earn.
The difference matters enormously. The cash basis is easy and shows real cash flow, which is why some very small businesses and individuals use it, but it can badly distort profit — a great month of work can look empty if customers happen to pay late. The accrual basis gives a truer picture of performance for a period and is required by GAAP and IFRS for most companies. The key misconception it guards against is confusing profit with cash: under accrual accounting you can report a healthy profit while your bank account is nearly empty, because earning and collecting are two different events.
You finish a 1,000 dollar job in December and the client pays in January. Cash basis records 1,000 of revenue in January, when the money lands. Accrual basis records it in December, when the work was done — so the two methods can put the very same earnings into different months, and different reported profits.
Cash basis follows the money; accrual basis follows when revenue is earned and expenses incurred.
Accrual profit is not cash in the bank. A business can report a healthy profit while running low on cash, because earning revenue and collecting it are separate events — which is exactly why a cash flow statement is needed alongside the income statement.