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CostBeacon (Cost Beacon) logo — supplier price tracking software from invoices
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Free tools

Start with the supplier-cost question in front of you.

Ten free calculators plus one tracker turn an invoice number into a decision you can make today.

No account required. Every tool shows the formula and keeps the source number in view.

Upload an invoice freeStart with a price change
Supplier invoiceBestBuy Wholesale
InvoiceINV-48721
Date14 May 2024
Organic Sunflower Oil 5LSKU 15873
12$23.40$280.80
This line changed
01

See the moveSpot a price change and compare apples to apples before you react.

02

Measure the hitTurn a unit-cost bump into dollars and a price you can charge.

03

Protect the marginCheck margin health and set a floor before the next increase lands.

The supplier cost loop

Pick the decision. Open the right calculation.

The five stages follow the work from a suspicious line item to a record you can revisit.

01

See the move

Spot a price change and compare apples to apples before you react.

Price change %Supplier Price Change CalculatorFree calculator: percent change between old and new supplier unit costs from your invoices.Normalize unitsUnit Cost NormalizerFree calculator: normalize line cost to cost per unit across case, each, lb, and kg.
02

Measure the hit

Turn a unit-cost bump into dollars and a price you can charge.

Margin impactPrice Increase Impact CalculatorFree calculator: dollar impact when a supplier unit cost increases, based on monthly quantity.Markup recoveryInvoice Markup Recovery CalculatorFree calculator: suggested selling price after a supplier unit cost increase.
03

Protect the margin

Check margin health and set a floor before the next increase lands.

Gross margin %Gross Margin CalculatorFree gross margin calculator from selling price and supplier unit cost.Markup vs marginMarkup vs Margin CalculatorFree calculator: convert between markup on cost and margin on selling price.Thin marginThin Margin CheckerFree thin margin checker: flag when unit cost is a high share of selling price.Break-even priceBreak-Even Price CalculatorFree break-even price calculator: minimum selling price for your target margin.
04

Watch concentration

See period COGS and how much spend sits with one vendor.

Period COGSCOGS CalculatorFree COGS calculator: beginning inventory plus purchases minus ending inventory.Spend concentrationSupplier Concentration CalculatorFree calculator: top supplier spend as a percent of total supplier spend.
05

Keep a record

Log changes in a spreadsheet until invoice history does it for you.

Excel templateSupplier Price Change Tracker TemplateFree Excel template to track supplier price changes from invoices manually.

Keep a record

Supplier Price Change Tracker Template

Free Excel template to track supplier price changes from invoices manually.

Excel template
SupplierItemPreviousCurrentChange
BestBuy WholesaleSunflower Oil 5L$21.60$23.40+8.33%
A manual record works until the next invoice arrives.

From one answer to ongoing evidence

Ready to automate from invoices?

CostBeacon extracts every line item and alerts you when unit costs move — no spreadsheet chasing.

Upload an invoice freeSee how it works
Matched item comparison

Organic Sunflower Oil 5L

SKU 15873 · Matched

Source linked
Previous unit cost
$21.60
6 May 2024
Current unit cost
$23.40
14 May 2024
Change
+$1.80
+8.33%

Start with one invoice

Use one invoice to replace the next manual check.

Upload a supplier PDF or image. CostBeacon extracts the line items, links the source, and starts building your unit-cost history.

Drop your first invoice herePDF, image, or photo
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