Tool finder · 62 calculators
Find the right answer, faster.
Start with a decision tool
Decision tools
These five go beyond a single figure: they solve backwards from your budget or goal, compare scenarios, and name the input deciding the answer. Everything below is a focused single-answer calculator.
- Decision tool
Vehicle Affordability Calculator
Works backwards from pay, debts and running costs to the vehicle price you can carry — with a stretch limit and the binding constraint named.
Open decision tool - Decision tool
Mortgage Calculator
Payment mode and a reverse affordability mode: solve a home-price range, a comfortable housing cost and a stretch limit from your finances.
Open decision tool - Decision tool
Rent vs Buy Calculator
Projects both paths month by month, finds the break-even year if there is one, and names the assumption deciding the answer.
Open decision tool - Decision tool
Debt Payoff by Extra Payment Calculator
Payoff date, interest saved, ready-made extra-payment scenarios, and the reverse solve for a target debt-free date.
Open decision tool - Decision tool
Take-Home Pay Calculator
Net pay across every pay period, raise and contribution scenarios, and a reverse solve for the gross salary a target take-home needs.
Open decision tool
10 calculators matching “percentage”
Everyday
Percentage Calculator
What is X% of Y, X is what percent of Y, and percentage increase or decrease between two numbers.
Everyday
Percentage Change Calculator
Percent increase or decrease from an old value to a new one, with zero-start and negative-value handling.
Everyday
Percentage Difference Calculator
Symmetric percent difference between two values, shown next to percent change in both directions.
Pay
Raise Percentage Calculator
Work out your raise percentage, new pay, and how much extra you'll actually see per paycheck.
Everyday
Add or Subtract Percentage Calculator
Add or subtract a percentage from any number, with the amount and the reverse.
Everyday
Budget Allocation Calculator
Needs, wants, and savings dollar targets from take-home pay, using a standard split or your own percentages.
Savings
ROI Calculator
Net gain, ROI percentage, and annualized return for any investment or business spend.
Business
Profit Margin Calculator
Gross profit and margin from revenue and cost, plus the price needed to hit a target margin.
Everyday
Fraction to Percent Calculator
Turn any fraction into a percent and decimal, with the simplified fraction.
Business
Markup vs Margin Calculator
Convert markup to margin or the reverse, with the resulting price and profit on any cost.