// multi-utility computation suite · offline · instant · precise
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│ [c] calcalyst_ │
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finance.mortgage-burn-rate Calculator
Calculates the monthly burn rate (cash outflow rate) in a mortgage and property investment context from total costs and cash reserves. Burn rate determines runway — dividing cash on hand by monthly burn gives the number of months until funds are exhausted.
Inputs
Cash
Rate of charge flow (A). I = V/R. Above ~100 mA through the body can be lethal. Fuses protect against overcurrent.
Expenses
Reference formula or conversion factor shown for context.
Revenue
Total income generated before any costs are deducted. Profitability depends on how much survives after expenses.
New Mrr
Reference formula or conversion factor shown for context.
Results
gross burn / month
Sample size or count used in the calculation.
net burn / month
Sample size or count used in the calculation.
burn multiple
Gratuity amount — the suggested amount to add to the bill as a service tip.
revenue efficiency
Useful output divided by total input, as a percentage. True 100% efficiency is impossible — losses appear as heat. LEDs: 30–50%. Electric motors: 85–97%. Switching supplies: 85–95%.