ROI Calculator
Free
Quick return on investment math with optional annualization.
Calculators
Open a calculator below. Items marked PLUS/PRO may require an upgrade.
Break-Even
Free
Find the sales volume needed to cover fixed and variable costs.
Mortgage
Free
Payment, interest, and amortization breakdowns.
Interest (Simple/Compound)
Free
Simple vs. compound growth with time and rate controls.
Freelancer Rate
Free
Back into an hourly/day rate that covers costs and target income.
Tip & Tab Split
Free
Split a restaurant bill and tips fairly across diners with optional tax/tip handling.
Shopping Budget
Free
Plan your cart, include tax, and track remaining budget with inline edits and persistence.
Savings Growth
PLUS
Recurring deposits with interest; visualize balance over time.
Debt Payoff
PLUS
Snowball/avalanche projections with total interest saved.
Split by Order (+ Shared Apps)
PLUS
Assign each dish to people, handle shared items and appetizers, and split precisely.
Employee Cost
PRO
True employee cost with taxes, benefits, overhead, and utilization.
Expense Split Deluxe
PRO
Advanced restaurant bill split with shared items, service fees, tax, and rounding.