How it works
- ✓ Enter Singapore values in SGD.
- ✓ Engine percent uses model sg-pit-cpf.
- ✓ Inspect the breakdown, not only the headline.
- ✓ Compare a second scenario.
- ✓ Open related tools: Break-even units, Price from margin, Cash runway months, SaaS MRR ARR, Invoice with tax.
Methodology
## Methodology — SaaS churn MRR leak calculator
1. Normalize inputs. 2. Engine `percent` with Singapore pack (sg-pit-cpf). 3. Social rate 0.2, VAT/GST 0.09 from params.ts. 4. Show KPI + breakdown. 5. Continue with Break-even units, Price from margin, Cash runway months, SaaS MRR ARR, Invoice with tax.
### Churn MRR leak method 1. Start from current MRR and monthly logo or revenue churn %. 2. Project retained MRR over 12 months without new sales. 3. Compare against a lower-churn scenario to size the leak. 4. Pair with CAC payback and runway tools for full SaaS health.
### Engine detail (percent) - Uses shipped model sg-pit-cpf for Singapore. - Social / contribution rate in params: 0.2; VAT/GST: 0.09. - Example anchor income ~ SGD 72,000 (illustrative, not a median claim). - Read the breakdown lines, not only the headline KPI. - Re-run after changing one input to see sensitivity.
Worked examples
Baseline — Singapore
Start near SGD 72,000 (credit principal SGD 600,000, rent-like SGD 2,800 if housing). Note the primary KPI for SaaS churn MRR leak calculator, then open related calculators in the same journey.
Sensitivity +10%
Raise the main driver to about SGD 79,200 and compare the delta vs baseline — critical for loans, tax brackets and goals.
Household limit
Push housing or debt share until it exceeds a personal comfort threshold (e.g. 30–40% of net income).
Verify before acting
Re-run with your real Singapore numbers, then confirm with payslip, bank quote or tax authority tools. Educational only.
Common mistakes
1. Headline-only decisions
Read the breakdown and pair with Break-even units, Price from margin, Cash runway months, SaaS MRR ARR, Invoice with tax.
2. Wrong period
Do not mix monthly and annual figures.
3. Ignoring fees
Banks and insurers may add costs beyond pure interest.
4. Wrong country table
This page uses Singapore (SG) parameters, model sg-pit-cpf.
5. Treating estimates as legal notices
Educational only — keep official statements.
Local deep dive
## Complete guide — SaaS churn MRR leak calculator
Singapore · SG · model sg-pit-cpf · SGD.
Primary intent: calculate. Secondary: understand, compare, decide.
CPF employee contribution (age band simplified) / GST
IRAS / CPF Board — simplified resident model.
Related: Break-even units, Price from margin, Cash runway months, SaaS MRR ARR, Invoice with tax
### Editorial standards for this calculator - Transparent model: sg-pit-cpf rates live in site params (social 0.2, VAT/GST 0.09). - Primary sources: link to the tax/finance authority for Singapore in Sources. - No city spam: one intent URL, unique title and FAQ. - User duty: re-run with your documents; keep official statements as source of truth.
### Why this may differ from official numbers May differ from payslip: CPF ordinary/special and tax reliefs vary.
### Local context — SaaS churn MRR leak calculator This page is oriented to Singapore (SG), currency SGD, engine `percent`, tax model sg-pit-cpf. IRAS / CPF Board — simplified resident model. Educational estimate for planning conversations — not a binding tax notice, bank quote, or regulated advice.
FAQ
Is logo churn the same as revenue churn?
No. Losing large accounts hurts revenue churn more. Use the metric that matches your board reporting.
What makes this SaaS churn MRR leak calculator page suitable for Singapore?
It ships the local parameter pack (SG, model sg-pit-cpf), cites methodology/sources, and labels limits. IRAS / CPF Board — simplified resident model. Educational estimate only.
Is SaaS churn MRR leak calculator updated for 2026?
Yes. Parameters target 2026 for Singapore (model sg-pit-cpf).
Is this official advice?
No. In Singapore, follow the tax authority and licensed professionals. IRAS / CPF Board — simplified resident model.
Why might results differ from my payslip or bank?
Benefits, local fees, progressive detail and rounding differ by payroll vendor and lender products.
Do you store my numbers?
Core calculations run in the browser without requiring an account.
How do you avoid thin spam pages?
Each URL is a distinct intent with unique title, inputs, examples and FAQ — no city template farms.
Can I use this on mobile?
Yes. Static pages are built for fast mobile use.
Who maintains the content?
Calcly Singapore financial content team with YMYL review and visible update dates.
Which currency is used?
Default money formatting uses SGD.
Where do tax rates come from?
Shipped in params.ts for Singapore: social 0.2, VAT/GST 0.09, 13 brackets.
How should I verify this result?
May differ from payslip: CPF ordinary/special and tax reliefs vary. Cross-check with Singapore authority notes: IRAS / CPF Board — simplified resident model.. Educational only.
What to calculate next
Sources & limits
Educational model for Singapore. IRAS / CPF Board — simplified resident model. Not a substitute for payroll software or bank underwriting.