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ERP cost calculator

ERP licence cost calculator: what per-user fees add up to

Enter the numbers from your current licence or a quote you have. See the total over 3, 5 or 7 years, what it works out to per user per month, and the formula behind it. No form, no email, nothing sent anywhere.

Book a scoping call See our pricing

Sample result

Harbourline Supplies Pte Ltd

5 years
Users today
30, growing 10% a year
Licence fee
S$60.00 per user per month
Platform fee
S$2,400 a year
Customisation
S$6,000 a year
Implementation
S$25,000, one-time
Price rise
3% a year

Licensed total

S$209,204

S$94.75 per user per month, against a fee of S$60.00.

Sample data. Harbourline Supplies Pte Ltd is not a real company.

These are example inputs, not a vendor's prices.

Calculator

Your numbers, over your period

Each field's letter matches the formula below. You need users today and the licence fee per user. Other blank fields count as zero. Type 10%, S$1,200 or 15k as you would write them; if a value cannot be read, the field says so and the total waits. Add two numbers from a phase plan to compare with a system you own.

Licensed ERPYour current licence, or a quote you have

Type numbers as you would write them: 25, 10%, S$1,200 or 15k.

Licensed total over 5 years

Shows here once users today and the licence fee are in.

Years to compare

Owned system, optionalNumbers from a written phase plan

Our published build prices

  • Quick build · 2 to 3 days of buildFrom S$15k
  • Build · 4 to 5 days of buildS$30k to S$40k
  • Enterprise programme · Months, in phasesAround S$150k

A band is not a quote. Days of build are engineering time; the phase itself runs over weeks, with the dates in your phase plan. Run and Evolve are priced in that plan by what you run (workflows, how much the agents read and draft, and hosting), not per user. To compare, use the build price and the monthly Run from a plan written for your scope.

Licensed total over 5 years

S$ ...

Enter users today and the licence fee per user per month from your own licence or a quote. The total, the yearly bars and the effective cost per user appear here as you type.

  • Nothing is gated, and nothing you type leaves this page.
  • No vendor prices are filled in for you.
  • Add two numbers from a phase plan to compare with an owned system.

The formula

How the total is worked out

U
Users today
g
User growth per year, %
P
Licence fee per user per month, S$
F
Fixed platform or base fee per year, S$
A
AI add-ons or credits per year, S$
I
Implementation, one-time, S$
C
Customisation and changes per year, S$
r
Price rise per year, %
N
Years: 3, 5 or 7
B
Build price from your phase plan, S$
R
Run and support per month from your phase plan, S$

Formula

Users in year t
= U × (1 + g)^(t - 1), rounded up to whole seats
Licensed, year t
= (Users_t × P × 12 + F + A) × (1 + r)^(t - 1) + C
Licensed total
= I + Licensed_1 + ... + Licensed_N
Per user per month
= Licensed total ÷ ((Users_1 + ... + Users_N) × 12)
Owned, year t
= 12 × R × (1 + r)^(t - 1)
Owned total
= B + Owned_1 + ... + Owned_N
Break-even year
= the first year t where owned to date ≤ licensed to date

The break-even year and the owned total appear only when you enter both numbers from a phase plan. Our build prices are published as bands, not quotes, and Run is priced for your scope in the plan, by workflows, agent volume and hosting rather than per user. So we do not estimate either for you.

Assumptions

What the calculator assumes

  1. 01

    AssumptionEnter every figure on the same basis, either all with GST or all without. The calculator adds no tax.

  2. 02

    AssumptionNo grant is subtracted on either side. We never assume a grant outcome.

  3. 03

    AssumptionNominal dollars. Later years are not discounted to today's value.

  4. 04

    AssumptionThe build price is counted in year 1, even if phases spread across more than one year.

  5. 05

    AssumptionThe same yearly price rise applies to licence fees, platform fees, AI add-ons and Run. Implementation, build price and customisation stay flat.

  6. 06

    AssumptionUsers are rounded up to whole seats each year, and each year's cost is rounded to the nearest dollar.

  7. 07

    AssumptionThe scope is the same on both sides. Compare like for like.

  8. 08

    AssumptionNot counted: your own staff time, your side of data migration, and the cost of leaving. For a licence, ask the vendor what leaving costs.

  9. 09

    AssumptionOur bands are ranges, not a quote. The owned side uses only numbers from your own phase plan.

  10. 10

    AssumptionEnter everything in Singapore dollars. The reference prices below are in US dollars, as each vendor publishes them.

For reference

Published list prices

Read on 7 Nov 2026. We never put these into the calculator for you: list prices leave out implementation, add-ons and partner fees, and they change. Check each vendor's page before you use a figure.

As published, 7 Nov 2026

Odoo

Per user per month, all apps in the paid plans

Standard
US$13.50 billed yearly, or US$16.90 billed monthly

Discounted for the first 12 months, for initial users. Full price: US$16.90 billed yearly, US$21.10 billed monthly.

Custom
US$25.50 billed yearly, or US$32.00 billed monthly

Discounted for the first 12 months, for initial users. Full price: US$32.00 billed yearly, US$40.00 billed monthly. Lists Odoo Studio and Agentic AI.

  • Listed as not included: implementation services, Odoo.sh hosting for custom developments, in-app purchase credits, and maintenance of custom code.

Prices as shown to a visitor in Singapore, in US dollars.

Source:odoo.com/pricing

As published, 7 Nov 2026

Microsoft Dynamics 365 Business Central

Per user per month, paid yearly

Essentials
US$80, paid yearly
Premium
US$110, paid yearly
Team Members
US$8, paid yearly
  • The Sales Order Agent and the Payables Agent are listed as requiring Copilot Credits, sold separately.

Prices from Microsoft's US page. Microsoft notes that prices vary by currency, country and region.

Source:microsoft.com Business Central pricing

A worked illustration from the published figures, licence fees only: 30 users on Business Central Premium is 30 × US$110 × 12 = US$39,600 a year.

FAQ

Calculator questions

Why are no vendor prices filled in?

+

List prices change, vary by country and leave out implementation and add-ons. Your own invoice or quote is the number that fits your case. The published prices below are for reference, with the date we read them and a link to each source.

Is anything I type stored or sent?

+

No. The calculator runs in your browser. Nothing is saved and nothing is sent to us. If you copy the results, they go to your clipboard and nowhere else.

Why is the cost per user higher than the licence fee?

+

Implementation, platform fees, AI add-ons and customisation are spread across every user month. That effective figure is what each seat really costs you over the period.

Where do the owned‑side numbers come from?

+

From a written phase plan. After a 30-minute scoping call we write one with a fixed build price and the monthly Run and Evolve price for your scope. Run and Evolve are priced by what you run (workflows, how much the agents read and draft, and hosting), not per user. Our published build prices are on the pricing page.

When does a licence cost less than owning?

+

Often for a small team with standard processes and few changes. If the calculator shows no break-even within seven years, a packaged licence may well be the better choice for you.

Keep reading

Related pages

Pricing

Our published bands

Quick build, build and enterprise programme. No per-user fees.

Learn more about Our published bands

Process

How we work

Scoping call, phase plan, build, handover, Run and Evolve.

Learn more about How we work

Platform

AI ERP

An ERP built around your process, with agents inside.

Learn more about AI ERP

Grants

EDGE grant

What may apply after PSG and EDG closed.

Learn more about EDGE grant

Turn your numbers into a phase plan.

Bring your licence quote to a 30-minute scoping call. We write a phase plan with a fixed price, so the owned side of this calculator uses real numbers.

Book a scoping call See pricing