VAT Calculator
VAT-inclusive to exclusive and exclusive to inclusive. 1%, 10% and 20% are preset; net amount and VAT amount instantly.
Free business calculators
Tools that finish the calculations small business owners do several times a day in seconds: separating VAT, setting a selling price, how a discount affects profit, how many days it takes stock to turn over, when to place an order, and barcodes for shelf labels. All of them are free, need no sign-up and run in your browser — the numbers you enter are never sent anywhere.
12 free calculators
Profit Margin Calculator
From purchase price to selling price, from selling price to margin. It shows markup on cost and margin on sales separately.
Price Increase and Discount Calculator
The new price after a percentage increase or discount, the rate of change between two prices, and the effect on profit.
Inventory Turnover
How many times a year does your stock turn over, in how many days does it sell out, and how much cash is tied up in the warehouse?
Reorder Level Calculator
At what level should you place an order? It finds the critical level from daily sales and lead time.
Barcode Generator
Generates EAN-13 and Code 39 barcodes, calculates the check digit and prints them as a label sheet.
Late Payment Interest Calculator
Late-payment interest (vade farkı) on overdue receivables, the selling price for sales on credit terms, and the VAT on that interest; the number of days is calculated from the dates.
Safety Stock Calculator
How many units should your buffer hold? It measures sales fluctuation and supplier delay separately.
VAT Withholding Calculator
On a invoice with VAT withholding, the VAT the buyer pays and the amount the seller collects. From the VAT-exclusive amount, the VAT-inclusive amount or the amount paid.
Waste Rate Calculator
Wastage rate and yield percentage, the TL value of the wastage and the true unit cost including wastage.
FIFO Cost Calculator
Cost of goods sold and remaining stock using FIFO from purchase batches at different prices; a comparison with weighted average and LIFO.
Cost of Goods Sold
Opening stock + net purchases − closing stock: cost of goods sold, gross profit and turnover rate.
To keep the calculation running, not just do it once
Calculators answer one-off questions. If you do the same calculation every day, download the Excel templates with built-in formulas: enter a figure once and the result updates by itself.
Inventory Tracking Excel
Automatically calculates remaining stock from incoming and outgoing movements, the low-stock alert, and total stock value.
Customer Account Tracking Excel
A statement table that tracks the debit–credit balance per customer or supplier account across all transactions and gives due-date warnings.
Store Credit Ledger Excel
A digital ledger that automatically calculates, per customer, the credit extended, the amount paid, the remaining balance and the number of days overdue.
Frequently asked questions
Are the calculators free?
Yes, completely free and with no sign-up. There are no ads, no registration and no usage limits.
Are the numbers I enter saved?
No. All calculations run in your browser; none of the numbers you enter are sent to a server.
Can I use them on my phone?
Yes, they are all mobile-friendly and open quickly even on a slow internet connection.
What if I want to save the results?
If you do the same calculation regularly, download the relevant free Excel template; the formulas come set up and your data stays in the file.