THE WHOLE TOOLKIT

Good tools. One place. — Page 19

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

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Showing 433–456 of 731 tools

Unit converters

Illuminance converter

Illuminance converter: Convert illuminance by multiplying the input by its source-unit factor and dividing by its destination-unit factor.

Unit converters

Luminance converter

Luminance converter: Convert luminance by multiplying the input by its source-unit factor and dividing by its destination-unit factor.

Unit converters

Radioactivity unit converter

Radioactivity unit converter: Convert radioactivity unit by multiplying the input by its source-unit factor and dividing by its destination-unit factor.

Unit converters

Molar concentration converter

Molar concentration converter: Convert molar concentration by multiplying the input by its source-unit factor and dividing by its destination-unit factor.

Unit converters

Molar mass converter

Molar mass converter: Convert molar mass by multiplying the input by its source-unit factor and dividing by its destination-unit factor.

Unit converters

Specific heat capacity converter

Specific heat capacity converter: Convert specific heat capacity by multiplying the input by its source-unit factor and dividing by its destination-unit factor.

Unit converters

Thermal conductivity converter

Thermal conductivity converter: Convert thermal conductivity by multiplying the input by its source-unit factor and dividing by its destination-unit factor.

Unit converters

Areal mass density converter

Areal mass density converter: Convert areal mass density by multiplying the input by its source-unit factor and dividing by its destination-unit factor.

Unit converters

Textile linear density converter

Textile linear density converter: Convert textile linear density by multiplying the input by its source-unit factor and dividing by its destination-unit factor.

Unit converters

Angular speed converter

Angular speed converter: Convert angular speed by multiplying the input by its source-unit factor and dividing by its destination-unit factor.

Money & borrowing

Sinking fund periodic deposit

Sinking fund periodic deposit: End-of-period deposit = target × r / [(1+r)^n−1].

Money & borrowing

Rule of 72 comparison

Rule of 72 comparison: Approximate doubling years = 72 / annual percentage growth rate.

Money & borrowing

Level perpetuity present value

Level perpetuity present value: Present value of end-of-period level payments continuing forever = payment / discount rate.

Money & borrowing

Growing perpetuity present value

Growing perpetuity present value: Present value = next-period cash flow / (discount rate − growth rate).

Money & borrowing

Annuity due present value

Annuity due present value: Annuity-due present value = payment × [1−(1+r)^−n]/r × (1+r).

Money & borrowing

Periods to reach a savings goal

Periods to reach a savings goal: Solve target = start(1+r)^n + deposit[(1+r)^n−1]/r and round up to the next whole deposit period.

Money & borrowing

Education cost inflation target

Education cost inflation target: Inflate each annual education payment separately from today, then sum the nominal payments across the study years.

Money & borrowing

Retirement income gap

Retirement income gap: Monthly income gap = max(0, desired spending − pension income − other income).

Money & borrowing

Observed annual portfolio withdrawal rate

Observed annual portfolio withdrawal rate: Observed withdrawal rate = annual withdrawal / beginning portfolio value × 100.

Money & borrowing

Fund switch fee break-even

Fund switch fee break-even: Approximate break-even years = switching cost / annual fee savings on an unchanged balance.

Money & borrowing

Holding-period return after costs

Holding-period return after costs: Holding-period return = (sale proceeds + income − costs − initial investment) / initial investment × 100.

Money & borrowing

Treasury bill bank discount yield

Treasury bill bank discount yield: Bank discount yield = (face − price)/face × 360/days × 100.

Money & borrowing

Bond Macaulay duration

Bond Macaulay duration: Discount each payment at yield/frequency.

Money & borrowing

Bond modified duration price sensitivity

Bond modified duration price sensitivity: Modified duration = Macaulay duration / (1 + nominal yield/frequency), approximating fractional price sensitivity to yield.