Accounting, one relationship at a time
Build the statements instead of memorising their names.
Use 85 private, browser-only accounting calculators, then follow them in order from the accounting equation to financial analysis.
V1 capstone · 20 synthetic companies
Build a real bookkeeping practice record.
Progress from the guided bakery close to longer retail, service, construction, nonprofit, SaaS and manufacturing periods. Work stays private and the final record never pretends to be a professional licence.
New · Complete one company month
Take over the books for Angell Family Bakery.
Work through a normal March, County Fair Week or a regional baking challenge. Prepare structured journal entries, reconcile the bank and close the month with a topic-level practice report.
Practise a complete set of books
Generate a realistic company quarter or year.
Choose retail, construction, consulting, restaurant, SaaS, manufacturing, nonprofit or e-commerce. Prepare the journals yourself, then reconcile against a balanced answer-key trial balance.
Formula, working and interpretation
Accounting calculators
85 calculators
Bookkeeping foundations
3 toolsAccounting equation
Check whether assets equal liabilities plus equity and calculate the balancing difference.
Open calculator Runs locallyJournal entry balance
Check whether the total debits and credits in a journal entry are equal.
Open calculator Runs locallyTrial balance
Compare total debit balances with total credit balances before preparing statements.
Open calculatorFinancial statements
9 toolsGross profit
Calculate gross profit and gross margin from revenue and cost of goods sold.
Open calculator Runs locallyOperating profit
Calculate operating profit after cost of goods sold and operating expenses.
Open calculator Runs locallyNet income
Build a compact income statement from revenue, costs, other items, interest and tax.
Open calculator Runs locallyRetained earnings
Reconcile opening retained earnings with net income and dividends for the period.
Open calculator Runs locallyBalance sheet check
Test whether a prepared balance sheet satisfies the accounting equation.
Open calculator Runs locallyCash-flow summary
Reconcile operating, investing and financing cash flows with opening and closing cash.
Open calculator Runs locallyEBITDA
Reconcile net income to earnings before interest, taxes, depreciation and amortisation.
Open calculator Runs locallyEBIT
Calculate earnings before interest and tax from revenue and operating expenses.
Open calculator Runs locallyOperating margin
Measure operating profit as a percentage of revenue.
Open calculatorAssets and working capital
7 toolsWorking capital
Calculate the short-term balance between current assets and current liabilities.
Open calculator Runs locallyCost of goods sold
Reconcile beginning inventory, purchases and ending inventory to calculate COGS.
Open calculator Runs locallyStraight-line depreciation
Allocate an asset's depreciable amount evenly over its useful life.
Open calculator Runs locallyDeclining-balance depreciation
Apply a depreciation rate to an asset's opening carrying amount.
Open calculator Runs locallyFIFO inventory
Calculate cost of goods sold and ending inventory for two purchase layers using first-in, first-out.
Open calculator Runs locallyLIFO inventory
Calculate cost of goods sold and ending inventory for two purchase layers using last-in, first-out.
Open calculator Runs locallyWeighted-average inventory
Calculate weighted-average unit cost, cost of goods sold and ending inventory for two purchase layers.
Open calculatorAccounting analysis
6 toolsReceivables turnover
Measure how often average trade receivables are collected during a period.
Open calculator Runs locallyPayables turnover
Measure how often average trade payables are paid during a period.
Open calculator Runs locallyDays sales outstanding
Estimate the average number of days represented by ending receivables.
Open calculator Runs locallyDebt to equity
Compare total interest-bearing debt or liabilities with shareholders' equity.
Open calculator Runs locallyROA and ROE
Compare net income with average assets and average shareholders' equity.
Open calculator Runs locallyDays in inventory
Estimate how many days of cost of goods sold are represented by average inventory.
Open calculatorClear answers
About the accounting tools
Where should a beginner start?
Start with the accounting equation, then balanced journal entries and the trial balance. The guided Accounting from Zero path puts all 85 lessons in dependency order.
Are my company figures uploaded?
No. Every accounting calculation runs locally in your browser, and entered values are not transmitted or stored unless you explicitly save work through your account.
Is this accounting or tax advice?
No. These are educational calculation models. Apply the accounting framework and tax rules required in your jurisdiction and verify material work with a qualified professional.