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Use your current figures or test a possible business scenario.
Independent business tools
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calculated.
Practical calculators that turn everyday business numbers into decisions you can explain, compare, and act on.
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Break-even analysisLive result
Units required211per month
- Fixed costs
- $12,000
- Unit price
- $95.00
- Contribution
- $57.00
Each sale contributes 60% of its price toward fixed costs and profit.
6focused calculators
100%private by design
0accounts required
Designed for founders, freelancers, and small business teams.
The calculator library
Six essential numbers.
One clear workspace.
Every calculator shows the formula, the assumptions, and a plain-English reading of the result.
010203040506
Break-even
Find the sales volume required to cover every fixed and variable cost.
Profit margin
Separate gross margin from the profit you actually retain.
Product pricing
Set a sustainable price from cost, overhead, and target margin.
Cash runway
Estimate how many months your current balance can support operations.
Marketing ROI
Measure campaign return after accounting for gross margin.
Customer acquisition
Understand acquisition cost and the time needed to recover it.
A more useful answer
The arithmetic is only the beginning.
See the full calculation
We expose the supporting metrics so the final number has context.
Read the practical insight
A local rules engine highlights the relationship that matters most.
Your figures stay yours
Useful without collecting your business data.
Calculations run in your browser. Saved results remain on your device, and no account is required to use the calculator library.
Read our privacy approachStart with the numbers you have