Markup Calculator
Cost, markup %, revenue, and profit — linked pricing math, local only.
Runs in your browser — files stay on your device.
Results
Profit$12.00
Markup (%)40.0%
Markup on cost
Profit = revenue − cost. Markup % = 100 × profit ÷ cost. Edit any two fields (last two edited) to solve the rest.
Model: reference implementation.