Free cash-flow tools for small businesses and freelancers.
No account needed - the calculators run entirely in your browser. Leave your email if you want to hear about new tools as they launch.
Free tools Run in your browser
Invoice late-fee estimator
Estimate a simple pro-rata late fee on an overdue invoice.
Quoted-rate fee estimator
Estimate what a quoted percentage plus fixed fee costs per transaction and per month.
Working out pricing across a whole range? The Pricing & Profit Calculator workbook goes further.
Margin and markup pricing calculator
Price a product or service from its direct cost and the margin you want, and see the equivalent markup.
Working out pricing across a whole range? The Pricing & Profit Calculator workbook goes further.
Break-even calculator
How many units you need to sell each month to cover your fixed costs.
Working out pricing across a whole range? The Pricing & Profit Calculator workbook goes further.
Cash-flow runway calculator
How many months your cash lasts at the current burn rate.
Working out pricing across a whole range? The Pricing & Profit Calculator workbook goes further.
Calculations run entirely in your browser. These inputs are never transmitted or stored.
Your data, in plain English
What registration stores
- Your email address
- Your business type and size, if you choose to tell us
- Nothing else. Calculator inputs are never collected.
What we do with it
- Email you about new tools, which is the point of registering
- Nothing else without a separate opt-in below
- We do not sell or share your personal data with third parties today
Your controls
- See, export or delete your record at any time via data requests
- Withdraw any optional consent the same way
- Deletion requests are honoured within 30 days
Go further
Pricing & Profit Calculator (spreadsheet workbook)
If the free estimators were useful, this paid workbook from the same operator helps you set prices that cover your real costs and margin.
Get new tools by email
Registration is open to businesses in the United States.