Project finance calculators
Working tools for debt sizing and cover ratio analysis — not tutorials with a formula at the bottom. Enter your own cash flows, get a full schedule you can export. Everything runs in your browser: nothing is uploaded, nothing is stored, and there is no signup.
Available now
On the worked example
264.18
Maximum supportable debt at 1.35x DSCR
Versus a level annuity
+38.5%
Extra debt capacity, identical cash flows
Cost
Free
No signup, no limits, no data leaves the browser
Reference
Debt sculpting methodology
Every formula derived from first principles, with a four-period example you can reproduce by hand.
Sculpted vs annuity
Why level repayment is capped by the weakest period, and what that costs in debt capacity.
Project finance glossary
CFADS, DSCR, LLCR, PLCR, tail, DSRA, gearing, IDC and cash sweeps — with the formulas.
Being built next
These are not live yet — listed so you know where this is going, and so you can tell me which one you actually need first.
- DSCR calculator — cover ratios from a cash flow and a debt schedule
- LLCR and PLCR calculator — whole-of-life cover, with the PV workings shown
- Equity IRR and payback — sponsor returns from the same cash flows
- IDC and construction funding — interest during construction, drawdown profiles
- DSRA sizing — reserve requirement on a forward-looking debt service basis