# SaaS Contribution Pricing Calculator — United Kingdom

> Solve an explicit cost-plus SaaS pricing scenario without confusing a margin on revenue with a markup on cost. GBP planning view; stated limitations apply.

Page: https://askcalculators.com/uk/saas-pricing/
Definition: https://askcalculators.com/uk/saas-pricing/definition.json
JSON Schema: https://askcalculators.com/uk/saas-pricing/schema.json
Version: 20.16.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/uk/saas-pricing/?fixedMonthly=20000&accounts=1000&variablePerAccount=5&paymentFee=3&targetMargin=30

## Inputs
- fixedMonthly: Monthly fixed service/operating cost in this scope; type=money; required; default=20000; min=0; max=1000000000000
- accounts: Paying accounts sharing these costs; type=number; required; default=1000; min=1; max=1000000000
- variablePerAccount: Variable monthly cost per account excluding payment fees; type=money; required; default=5; min=0; max=1000000000000
- paymentFee: Payment fee as a percentage of revenue; type=percent; required; default=3; min=0; max=50
- targetMargin: Target margin after the entered fixed/variable costs; type=percent; required; default=30; min=0; max=99

## Outputs
- costBeforeFees: Cost per account before percentage payment fees; format=currency
- requiredPrice: Required monthly price per account; format=currency; primary
- revenue: Monthly revenue at entered account count; format=currency
- profit: Monthly surplus after all modeled costs; format=currency

## Formula
required price = (fixed monthly cost/accounts + variable cost/account) ÷ (1 − payment fee fraction − target margin).

Inputs are converted to canonical units before evaluating this stated formula.

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.

Notice: Illustrative defaults are not local quotes or verified legal rules. Dated reference components and user-entered assumptions are explicitly distinguished. Professional review is pending.