Enter assumptions
Use values you can explain. A modeled price or distribution is not live market data unless the tool explicitly says otherwise.
Finance scenarios
Inspect the assumptions behind the number.
Model cash flow and value from assumptions you choose. Each calculator identifies its timing, separates unlike totals, and keeps the schedule available for review.
Choose by task
Finance tools with visible timing.
Start with the cash flow you need to model, then check the schedule before relying on a summary card.
Dividend Calculator
Model distributions, DRIP fractional shares, contributions, and ending value from your own per-share assumptions.
Open tool Overtime CalculatorEstimate regular, overtime, and gross pay for one or two separate workweeks with zero-hour-safe receipts and a local CSV export.
Open tool Bonus Tax CalculatorEstimate 2026 federal bonus withholding with separate 22% and 37% slices, Social Security and Medicare thresholds, and explicit state/local limits.
Open tool Prorated Rent CalculatorCompare actual-calendar-day and fixed-30-day estimates for one partial rent month, with inclusive dates, exact rounding, and a local text receipt.
Open toolCheck the clock
Distinguish money paid during a period from an annualized run-rate measured at the end of that period.
Read the exclusions
Taxes, fees, account rules, execution prices, and changing payments can make a real statement differ from a simplified model.
Method
A useful finance result should be auditable.
The tools in this category keep calculation inputs near the result, preserve enough precision for schedules to reconcile, and label values by time convention. They run the core task locally in the browser without a ticker lookup, account connection, or remote calculation service.
Investor education and plan boundaries are sourced from primary materials such as SEC Investor.gov guidance on direct investing and DRIPs. Each tool page lists the sources relevant to its narrower task.
Common questions
Are these results market forecasts?
No. Finance calculators on this page use assumptions you enter. They do not verify a security, predict a price, promise a return, or replace advice from a qualified professional.
What should I check before using a result?
Read the timing convention, confirm each input unit, compare paid cash with any end-of-period run-rate, and review exclusions such as taxes, fees, execution prices, and changing market conditions.
Are my financial inputs uploaded?
No. The listed tools perform their core calculation in your browser and do not place your assumptions in the page URL, analytics events, or browser storage.