Financial Decision Logic for Business & Personal Growth
Most financial calculators exist to capture your data or sell you something. These don't.
Side-Hustle Pricing Solver
Stop guessing. Factor in tax and time to find your true price floor.
Real Hourly Wage
Calculate your true hourly earnings after tax, benefits, and work expenses.
Mortgage Accelerator
See how much interest you save by overpaying a set amount each month.
Ad Spend ROI
Measure the true return on your marketing spend and customer acquisition costs.
Compound Interest
Watch how small, consistent habits turn into significant wealth over time.
Mathematical Rigour
Proper calculations, done the right way. Numbers you can rely on.
Zero Data Stored
Everything runs in your browser. Your data stays on your device.
No Jargon
Just the numbers. No financial advice, no interpretation.
Five tools. Every calculation runs in your browser. Nothing is stored, nothing is sent, and there's nothing to sign up for.
I built these because I kept hitting the same problem: needing a real number and getting a lead-gen form instead. The tools here do one thing. They give you the maths.