Example · Student in Edinburgh
Budget Set up a grocery budget
You
Set a GBP 250 monthly grocery budget and log GBP 38 spent today.
- budget_set
- budget_spend
Result
Groceries: cap 250, spent 38, remaining 212.
Category
Calculators and data
Loans, rates, tax, currencies and schedules computed exactly. 15 servers.
Report
Budget
Set monthly caps and ask what's left. No bank login.
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FiguresCurrency
Convert money at official ECB rates, with no API key to sign up for.
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Your rateHourly Rate
The hourly rate you need to hit your take-home income.
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Payment tableLoan Calculator
Monthly payment, total interest and a yearly schedule in one ask.
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Pay estimatePayroll
Gross to net for hourly staff, worked out while you ask.
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Take-home figuresTax Calc
A quick US federal income tax estimate from one number.
CalculatorsFree
FiguresCups to Grams
Cups to grams by ingredient, from measured weights, not guesses.
CalculatorsFree calculatorHosted
ReportDSCR Loan Calculator
Cent-exact DSCR, max loan and rent needed for rental property loans.
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ReportGold Price per Gram
Live gold price per gram by karat, in about 160 currencies.
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ReportLake Level
Live US lake and reservoir levels, read from the agency gauge.
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FiguresMinimum Wage
US state minimum wages for 2026 and 2027, with tipped rates.
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FiguresNo Tax on Overtime
2025-2028 overtime, tips and senior deductions, to IRS rules.
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FiguresPaycheck Calculator
US take-home pay for 2025 and 2026, federal and all 50 states.
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Ready-to-send textUK Income Tax and Salary
UK take-home pay for 2025/26 and 2026/27, Scottish bands included.
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Excel fileUS Federal Holidays and Business Days
Exact US federal holidays and business-day math, 1971 to 2100.
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Examples
Example · Polish freelancer billing a German client
Currency Convert an invoice for the books
You
Convert EUR 4,200 to PLN at the ECB rate on the invoice date, 2026-10-14.
- rate_on
- convert
Result
The PLN amount with the rate and its date stated, so the bookkeeper can check it.
Example · Developer leaving a job in Austin
Hourly Rate Set a rate before going freelance
You
I want to keep USD 60,000 after tax. Costs are USD 12,000 a year, 25% tax on profit, 25 billable hours a week, 46 weeks.
- calculate_rate
Result
USD 92,000 gross over 1,150 billable hours: a minimum of USD 80.00 an hour.
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