aibizhub

AI Biz Hub

Run the numbers before you run the business.

10 tools · Free · No signup

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10 tools shown

2 tools

Convert margin, markup, and discount with transparent formula traces.

Calculate gross margin and markup, or set prices from desired margin percentages.

1 tool

Calculate simple ROI, annualized ROI, and discounted payback in one pass.

3 tools

Compare office and remote work in clear time-and-money tradeoffs.

Find fair global meeting windows with rotation and DST-aware timing.

Calculate the true cost of your meetings by attendee count, hourly rate, duration, and frequency.

3 tools

Set confident rate floors from utilization, overhead, and income targets.

Convert hourly and salary compensation with PTO and overtime adjustments.

Estimate annual and paycheck outcomes with simplified tax assumptions.

1 tool

Calculate break-even units, revenue thresholds, and target-profit volume.