Reconciliation means matching your bank records to your own records
Reconciliation is the process of comparing what your bank says you have against what you think you have. You do this by line-by-line matching: every deposit, withdrawal, and fee the bank recorded against every one you recorded in your own ledger or banking app. When the two totals match, your account is reconciled. When they don't, something is missing or wrong—and reconciliation is how you find it.
Most people reconcile monthly, using their bank statement as the starting point. Your statement arrives (or you download it) at the end of the month and shows every transaction the bank processed. You then check off each one in your own records. If your records show a deposit the bank doesn't, or the bank shows a fee you didn't expect, reconciliation catches it before the problem grows.
Reconciliation is not the same as checking your balance. Your balance is just a number. Reconciliation is the work of verifying that number is correct and that both you and the bank agree on how you got there.
Key Takeaways
- Reconciliation compares your bank statement line-by-line against your own records to catch errors, missing transactions, and unauthorized charges.
- Start with your bank statement balance, add any deposits the bank hasn't processed yet, subtract any checks or transfers you wrote but the bank hasn't cleared, and compare the result to your own records.
- Timing differences—checks that haven't cleared, deposits that haven't posted—are normal and expected; they are not errors.
- If your reconciled balance doesn't match your bank statement, work backward through recent transactions to find the one that is off by the exact amount of the difference.
- Reconcile monthly when your statement arrives to catch fraud, bank errors, and your own mistakes while they are still recent and easier to fix.
Gather your bank statement and your own transaction records
Pull your most recent bank statement. This can be a paper statement mailed to you or a statement you download from your bank's website or app. The statement shows the opening balance on the first day of the period, every transaction the bank processed during that month, and the closing balance on the last day.
Next, gather your own records of what you think happened during the same period. This might be your checkbook register (if you still keep one), a spreadsheet, or the transaction history in your banking app. The key is that it shows every deposit you made, every check you wrote, every transfer you initiated, and every withdrawal you took.
Make sure both records cover the exact same time period—usually a calendar month. If your statement runs from the 15th of one month to the 15th of the next, use that same period in your own records, not the calendar month.
Check off each transaction that appears on both records
Go through your bank statement line by line. For each transaction listed, find the matching entry in your own records and mark it off in both places. A deposit you made on the 5th should appear on the bank statement as posted on the 5th or 6th (depending on processing time). A check you wrote on the 10th might not appear on the statement until the 12th or later, when the recipient deposited it.
Mark off transactions as you match them. Use a pen, a checkmark in a spreadsheet, or a note in your app—whatever method lets you see at a glance which transactions you have already verified. This prevents you from checking the same transaction twice or missing one by accident.
Do not worry if a check you wrote or a transfer you initiated does not appear on the statement yet. Checks can take days or weeks to clear, especially if they are mailed to someone out of state. Online transfers usually post within one to three business days. These timing differences are normal and expected.
Account for outstanding checks and deposits in transit
Outstanding checks are checks you wrote that have not yet cleared the bank. Deposits in transit are deposits you made that the bank has not yet processed. Both are normal. You recorded them when you wrote or made them, but the bank has not recorded them yet.
Make a list of all outstanding checks—any check you wrote that does not have a checkmark on your bank statement. Write down the check number and the amount. Add up the total of all outstanding checks.
Make a separate list of all deposits in transit—any deposit you recorded that does not have a checkmark on the bank statement. Write down the date and amount of each one. Add up the total.
These two lists are the bridge between your records and the bank's records. The bank has not seen these transactions yet, so its balance is lower than yours by the amount of outstanding checks and higher than yours by the amount of deposits in transit.
Do the math: reconcile your balance to the bank statement
Start with the closing balance shown on your bank statement. This is the number the bank says you have at the end of the month.
Add any deposits in transit. The bank has not recorded these yet, so you add them to the bank's balance to account for money you know is coming.
Subtract any outstanding checks. The bank has not recorded these yet, so you subtract them from the bank's balance to account for money you know is leaving.
The result should equal the balance shown in your own records. If it does, your account is reconciled. If it does not, the difference is the amount you need to find.
| Bank statement closing balance | $2,450 |
| Plus: Deposits in transit | + $300 |
| Minus: Outstanding checks | − $175 |
| Reconciled balance | $2,575 |
| Your records show | $2,575 |
| Match? | Yes |
Find and fix discrepancies if the balances don't match
If your reconciled balance does not match your records, something is wrong. The difference is your clue. If the bank's reconciled balance is $50 higher than yours, look for a $50 transaction that appears on the bank statement but not in your records, or a $50 transaction in your records that does not appear on the statement.
Start with recent transactions and work backward. Check the amounts carefully—a $100 transaction you recorded as $10 will show up as a $90 difference. Look for duplicate entries (the same transaction recorded twice). Look for transposed numbers (you wrote $234 but the bank shows $243). Look for fees or interest charges you did not expect or record.
If you find a transaction on the bank statement you did not record, add it to your records. If it is a fee or charge, note it. If it is a deposit or withdrawal you did not authorize, contact your bank immediately—it could be fraud or a bank error. If you find a transaction in your records that does not appear on the statement and is more than two weeks old, contact your bank to confirm it was processed.
Once you have found and fixed the discrepancy, redo the math. Your reconciled balance should now match your records.
Reconcile monthly to catch problems early
The best time to reconcile is within a few days of your statement arriving, while transactions are still fresh in your memory and the bank's records are recent. Monthly reconciliation takes 15 to 30 minutes if everything matches, and it catches errors before they compound.
If you find a bank error—a transaction posted twice, a fee applied in error, a deposit that was not credited—contact your bank right away. Most banks have a window of 30 to 60 days to investigate and correct errors. If you wait longer, they may refuse to look into it.
If you find a transaction you did not authorize, report it to your bank immediately. Federal law limits your liability for unauthorized transactions, but only if you report them within a certain timeframe—usually 60 days from when the statement was sent to you.
Frequently Asked Questions
What if a check I wrote months ago still hasn't cleared?
A check more than 90 days old is considered stale and most banks will not honor it. If a check you wrote has not cleared after 30 days, contact the recipient to confirm they received it and ask if they plan to deposit it. If they lost it, you can stop payment on the old check and issue a new one. If they say they will not deposit it, remove it from your outstanding checks list.
Do I need to reconcile if I use online banking and check my balance every day?
Checking your balance and reconciling are different. Your balance tells you how much money is in the account right now; reconciliation verifies that both you and the bank agree on how that money got there. Reconciliation catches unauthorized charges, duplicate transactions, and your own recording errors that a balance check will not catch. Monthly reconciliation is still worth doing.
What does it mean if the difference is exactly the amount of a recent fee?
It means the bank charged a fee you did not record in your own ledger. Add that fee to your records and redo the math. Common fees include monthly maintenance fees, overdraft fees, ATM fees, or wire transfer fees. Check your bank's fee schedule to understand what you are being charged for.
Can I reconcile using my banking app instead of a paper statement?
Yes. Many banking apps have a built-in reconciliation tool that lets you mark transactions as cleared and shows you the difference between your balance and the bank's balance. If your app does not have this feature, you can download your transaction history as a spreadsheet and follow the same steps as you would with a paper statement.
What if I find a transaction on the bank statement that I definitely did not make?
Contact your bank immediately and report it as unauthorized. Do not wait for your next statement. The bank will investigate and, if it confirms the transaction was fraudulent, will reverse it and issue you a new debit card. Federal law protects you from liability for unauthorized transactions reported within 60 days of the statement date.