Documentation

Accounting fundamentals in KontoCore

How double-entry, the general ledger, debits and credits, and accrual versus cash basis work — in plain English.

Plans
Core and above
Availability
Available
For
Owners, Bookkeepers, Accountants
In KontoCore
Accounting

In plain English

Every transaction has two sides: where the value came from and where it went. A debit and a credit are simply the names for those two sides. They always balance.

What this does

Every invoice, bill, payment, and bank categorization posts a balanced journal entry. You rarely write debits and credits yourself — the workflows do it — but understanding them explains every report.

Reports can be run on accrual or cash basis without re-entering data.

TermWhat it means
DebitLeft side. Increases what you own (assets) and what you spend (expenses).
CreditRight side. Increases what you owe (liabilities), what you earned (revenue), and owner equity.
General ledgerThe full record of every posted line, by account.
Trial balanceEvery account’s balance on one page — debits equal credits.

More plain-language help in KontoGuide and the Glossary.

The rules at a glance

Account typeIncrease withDecrease withReport
AssetDebitCreditBalance sheet
LiabilityCreditDebitBalance sheet
EquityCreditDebitBalance sheet
RevenueCreditDebitProfit & loss
ExpenseDebitCreditProfit & loss

What happens in your books

Buying a $2,000 laptop with cash moves value from one asset to another — no expense yet:

Equipment purchase · illustrative
AccountDebitCredit
Equipment (asset)2,000.00
Checking (asset)2,000.00

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Last reviewed September 25, 2026