THE WHOLE TOOLKIT

Good tools. One place. — Page 9

731 tools across 23 families. Search the complete catalog or browse this page.

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Showing 193–216 of 731 tools

Business & selling

Mixed-rate sales tax basket

Mixed-rate sales tax basket: For each line calculate net × quantity, round its tax to cents, then sum line net, tax and gross amounts.

Math & statistics

Mode

Mode: Count exact numeric frequencies; return every value tied for most frequent

Money & borrowing

Modified Dietz investment return

Modified Dietz investment return: Return = (ending − starting − net external flows)/(starting + Σ flow × remaining-days/period-days).

Money & borrowing

Modified internal rate of return (MIRR)

Modified internal rate of return (MIRR): enter your own figures, see the result and calculation method, and check the model’s assumptions.

Money & borrowing

Monthly cash-flow budget worksheet

Monthly cash-flow budget worksheet: In entered row order, ending cash = previous cash + income − expenses.

Dates & time

Monthly recurring date schedule

Monthly recurring date schedule with editable inputs, an explained method, a worked example and clearly stated output limits.

Business & selling

Monthly sales growth scenario

Monthly sales growth scenario: Month one uses the starting units; each later month multiplies the previous units by (1+growth).

Money & borrowing

Mortgage affordability from a payment budget

Mortgage affordability from a payment budget: Available principal-and-interest payment = income × debt ratio − other debt − housing overhead.

Money & borrowing

Mortgage payment with taxes and insurance

Estimate monthly housing cost including mortgage principal and interest, property tax, insurance and service fees.

Math & statistics

Moving average time-series worksheet

Moving average time-series worksheet: For each input row with enough observations, average that row and its previous window−1 values.

Money & borrowing

Multiple discounts

Multiple discounts: Final price = price × (1−d₁/100) × (1−d₂/100); percentages do not add

Text & writing

NATO phonetic alphabet translator

NATO phonetic alphabet translator locally in your browser, with clear input requirements, a worked example and an explanation of the result.

Pay & allowances

Net pay from payslip deductions

Reconcile take-home pay from your gross payslip, entered tax, pension, social deductions and reimbursements.

Money & borrowing

Net present value (NPV)

Discount future net cash flows and subtract the initial outlay to estimate a project’s net present value.

Money & borrowing

Net worth worksheet with asset and debt totals

Net worth worksheet with asset and debt totals: Total entered assets and debts separately; net worth = assets − debts.

Taxes & fees

Netherlands Box 1 tax — before credits

Calculate 2026 Dutch Box 1 tax including national insurance for people aged 66 or younger throughout the year, before tax credits.

Math & statistics

Normal distribution interval probability

Normal distribution interval probability with an explained formula, a worked example and checks for invalid or unsupported inputs.

Everyday arithmetic

Number rounding

Number rounding: Round to the selected number of decimal places

Text & writing

Number to English words

Number to English words: Split the integer into three-digit groups through quadrillions, spell each group in English, and read fractional digits individually after “point”.

Electronics & energy

Ohm’s law and electrical power

Solve voltage, current or resistance for a simple DC resistor and show electrical power.

Money & borrowing

One-time loan overpayment schedule

One-time loan overpayment schedule: Calculate the normal fixed payment, then apply one extra principal payment after the regular payment in the chosen month.

Pay & allowances

Overtime and regular pay

Calculate regular pay, overtime pay and total gross earnings using the multiplier in your employment policy.

Salary & employment

Overtime pay estimate

Overtime pay estimate: Gross = rate × regular hours + rate × multiplier × overtime hours

Home & construction

Paint quantity

Paint quantity: Liters = area × coats ÷ coverage × (1 + waste/100)