Financial impact tools

Quantify the impact

Every result updates as you type. Formulas and assumptions are shown beneath each calculator.

Revenue Decline Calculator

Monthly revenue

NZD

Expected decline

Gross margin

Fixed cash operating costs / month

NZD

Opening cash

NZD

Monthly revenue loss$18,000

Revised monthly revenue$102,000

Revised gross profit$40,800

Gross profit lost / month$7,200

Estimated operating cash movement / month-$1,200

Indicative runway75.0 months

How this is calculated

Revised revenue = revenue × (1 − decline %)
Gross profit = revenue × gross margin %
Cash movement = revised gross profit − fixed cash costs
Runway = opening cash ÷ monthly cash outflow (only when negative)
Ignores working capital timing, GST, income tax, loan repayments and financing. Treat as indicative.