SaaS True-Cost Calculator

The short answer: A $25/user/month tool for 10 people is $3,000 a year at list price — but $10,930 over three years once renewal uplifts, onboarding, and unused seats are counted. Enter your own numbers below and see the real multi-year cost.

Want to know which contract clauses drive these numbers? SaaS Contract Red Flags explains renewal uplifts, auto-renewal windows, and termination terms — the clauses this calculator turns into dollars.

The subscription

Pricing model

Per-seat Flat monthly fee

Monthly price ($ per seat, or flat $/mo)

Number of seats

Expected annual price uplift (%)

Typical: 5–15%. Vendors raise prices most years — check your contract’s increase clause.

The fine print

One-time onboarding / implementation fee ($)

Contract term

Estimated unused seats (%)

Directional: 20–40% of seats typically go unused. Ex-employee seats count.

Monthly add-ons ($)

Add-on modules, extra storage, premium support — per month, on top of the base price.

Each year’s cost grows by your uplift % (compounded), and the one-time onboarding fee is counted in year 1 only. The renewal-year projection is the year after your term at the uplifted rate, without onboarding. This tool is vendor-agnostic by design — it uses the numbers you enter, not a price database, because vendor prices change constantly. The uplift and unused-seat figures are your estimates; the ranges shown are directional, not promises. This is a cost estimate, not purchasing advice.

This calculator is educational, not procurement advice. Renewal uplifts and unused-seat rates are your estimates — vendors change prices, and your usage will differ. See our Methodology for how our tools are built.