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SaaS Pricing Calculator

See what per-seat software really costs: monthly total, annual total, annual-billing savings, and total cost over one, two, and three years.

Most business software now charges per seat — one price for each person who uses it, every month. That sounds simple, but the total grows fast: seats multiply, add-ons stack, and annual billing changes the total in ways that are easy to miss. This calculator shows the monthly total, the annual total, the savings from annual billing, and the total cost over one, two, and three years.

Per-seat monthly price (USD) Number of seats Billing period Annual billing discount on seat price (%) — enter the vendor discount, or 0 if there is none Add-on costs per month (USD)

Enter your seat price, seats, and add-ons, then click Calculate.

How to use

Enter the per-seat monthly price from the vendor pricing page.
Enter the number of seats you actually need — count only people who will use the tool regularly.
Choose monthly or annual billing, and enter the annual discount the vendor offers (0 if there is none).
Add any monthly add-on costs, then click Calculate and compare the one, two, and three-year totals.

How SaaS per-seat pricing adds up

The core formula is simple: per-seat price times number of seats, plus add-ons, equals the monthly total. The surprise comes from scale. At 15 dollars per seat, ten seats cost 150 dollars per month — 1,800 dollars per year before add-ons. Adding five more seats adds 75 dollars per month, or 900 dollars per year, even though nothing else changed.

Annual billing usually lowers the seat price — for example, a 20 percent discount turns 15 dollars into 12 dollars per seat per month — but you pay the whole year up front. That trade is worth it only if the team will still need every seat in twelve months. If staff leave or the tool is replaced, prepaid seats are wasted money.

Many tools also have pricing tiers: a basic tier, a standard tier, and a premium tier, each with a different per-seat price. A feature you need may sit only in the higher tier, which raises the price for every seat, not just for the people who use that feature. Always check which tier holds the features you actually need.

Hidden costs to watch for

Unused seats: seats bought for former staff or occasional users are the most common waste. Review seat counts every quarter.
Add-ons per seat: some add-ons charge per seat too, so they multiply just like the base price.
Minimum seat counts: some vendors require a minimum number of seats, even for a small team.
Price rises at renewal: vendors often raise prices yearly. A three-year total at today's price is a minimum, not a promise.
Implementation and training: setup, data migration, and staff training can cost as much as the first months of subscription.

Worked example

Per-seat price: 15.00 dollars per month. Seats: 10. Add-ons: 25.00 dollars per month. Annual billing discount: 20 percent.

Monthly billing: monthly total 175.00 dollars (150.00 seat cost plus 25.00 add-ons); annual total 2,100.00 dollars. Annual billing: discounted seat cost 120.00 dollars per month, so monthly total 145.00 dollars and annual total 1,740.00 dollars. Annual-billing savings: 360.00 dollars per year. Total cost of ownership: 1,740.00 dollars over one year, 3,480.00 dollars over two years, and 5,220.00 dollars over three years at unchanged prices.

Disclaimer: Prices change frequently; results are estimates based on the numbers entered; verify current prices with the vendor before buying.

Frequently Asked Questions

How is the monthly total calculated?

Per-seat price times number of seats, plus monthly add-on costs. With annual billing, the discount you enter is applied to the seat price only, and add-ons stay at their monthly rate.

Is annual billing always better?

Not always. It saves money only if you keep every seat for the full year. If your team shrinks or you switch tools, prepaid seats become wasted spending.

Why do add-ons matter so much?

Add-ons can charge per seat or per month, and they stack. A 25-dollar add-on costs 300 dollars per year, and a per-seat add-on multiplies with every new seat.

What is total cost of ownership?

The full cost of using the software over a period, including seats and add-ons. This calculator shows one, two, and three-year totals at unchanged prices, so you can compare tools over the time you will actually use them.

Should I count every employee as a seat?

No. Count only people who use the tool regularly. Occasional users may be served by a viewer or guest role if the vendor offers one, which is often free or cheaper.

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