CostOak

Software-stack cost calculator

Enter what each tool charges, from its pricing page or your last invoice. See your monthly and yearly total, cost per person, and what renewals add.

Leave a tool blank if you don't use it. We don't pre-fill vendor prices: plans change often, so use the current price from the vendor's page.

Monthly total
$0
Yearly total
$0
Per user / month
$0
Next year (renewals + new users)
$0

The formula

Per-user tools: price × team size. Flat tools: price. Yearly tools: price ÷ 12. Annual billing: × (1 − discount). Next year: each tool × (1 + renewal %) with per-user tools at (team + new users).

Last checked: 17 Oct 2026. Calculations run in your browser; nothing is sent to us. Related: freelance hourly-rate calculator.