Startup finance calculators
The numbers founders actually need, each with the formula behind it. Free, no signup, nothing stored. When you want them kept live instead of recalculated, that is what Plainhub does.
Cash runway calculator
How many months of cash you have left, and what actually changes it.
Burn rate calculator
Gross burn, net burn and the runway they imply.
Cash flow forecast
Twelve months of projected cash, and the month you run out.
Cash flow tracker
An itemized money in / money out ledger, and the balance it projects.
Cash reserve calculator
How many months of expenses to hold, and your gap to the target.
Late payment interest calculator
What an overdue invoice owes you, per day and to date.
MRR calculator
Monthly recurring revenue, ARR and growth rate from your plans.
ARR calculator
MRR to ARR, plus net new ARR from the four movements.
Customer lifetime value calculator
Lifetime value, LTV:CAC ratio and CAC payback from churn and margin.
CAC calculator
Customer acquisition cost and CAC payback period from your spend.
Churn rate calculator
Customer churn and revenue churn side by side, annualized.
Break-even calculator
Break-even units and revenue, contribution margin and your margin of safety.
Burn multiple calculator
What you burn per euro of new ARR, against the benchmark bands.
Employee cost calculator
The true cost of a hire, and the months of runway it spends.
Labor cost calculator
Your whole team's monthly cost, and the share of revenue it takes.
Payroll percentage calculator
Payroll as a share of revenue, or the budget a target share allows.
Pay yourself calculator
A defensible owner pay figure, once the business keeps its buffer.
SaaS magic number calculator
What a euro of sales and marketing returns, against the bands.
Rule of 40 calculator
Growth plus margin against the 40 line, from your real numbers.
One number, kept live
Every calculator here answers one question at one moment. Plainhub is startup finance software that keeps all of them live at once: type what happened and your runway, burn and MRR update together.