THE INDEX
Everything, alphabetically.
A complete directory of published tools.
3
A
- A/B conversion difference and z-test ↗
- Absolute and relative error ↗
- Absorption manufacturing unit cost ↗
- AC real, reactive and apparent power ↗
- Acceleration converter ↗
- Add hours, minutes and seconds ↗
- Add line numbers ↗
- Add or subtract calendar months ↗
- Add or subtract days ↗
- Age on a date ↗
- Angle between two 2D vectors ↗
- Angle converter ↗
- Angular speed converter ↗
- Angular velocity from rotation rate ↗
- Annual leave accrual planner ↗
- Annual to hourly salary ↗
- Annuity due present value ↗
- Appliance electricity audit ↗
- Archimedes buoyant force ↗
- Area converter ↗
- Areal mass density converter ↗
- Arithmetic mean ↗
- Arithmetic sequence and sum ↗
- Aspect ratio dimensions ↗
- Asset depreciation and book value ↗
- Attendance rate ↗
- Australia resident income tax — before offsets ↗
- Australia super contribution on eligible earnings ↗
- Average purchase price from investment lots ↗
B
- Balloon loan payment and schedule ↗
- Base64 text codec ↗
- Battery runtime from capacity and load ↗
- Bayesian binary-classifier posterior ↗
- Binomial probability ↗
- Blend two HEX colors ↗
- Bond Macaulay duration ↗
- Bond modified duration price sensitivity ↗
- Bond yield to maturity solver ↗
- Bonus after entered deductions ↗
- Box packing in six orientations ↗
- Break-even units ↗
- Brick wall quantity with mortar joints ↗
- Business cash runway ↗
- Business days with an entered holiday list ↗
C
- Caesar cipher and ROT13 ↗
- Calendar date to ISO ordinal date ↗
- Canada federal income tax — before credits ↗
- Canada GST, HST and provincial sales tax ↗
- Canadian mortgage semiannual compounding ↗
- Capacitance converter ↗
- Capacitor stored energy and charge ↗
- Car lease payment from money factor ↗
- Car loan principal from monthly budget ↗
- Carnot thermal efficiency limit ↗
- Cash conversion cycle ↗
- Cash ratio ↗
- Cash-out refinance net proceeds ↗
- Centripetal force ↗
- Circle area and circumference ↗
- Circular arc length ↗
- Circular frustum volume ↗
- Circular sector area ↗
- Coefficient of variation ↗
- Cohen’s d for independent samples ↗
- Color contrast ratio ↗
- Color palette from a HEX color ↗
- Combinations ↗
- Combine independent sound levels ↗
- Commission ↗
- Compare three investment return scenarios ↗
- Compare two loan offers ↗
- Compare two payment fee quotes ↗
- Complex number arithmetic ↗
- Compound annual growth rate (CAGR) ↗
- Compound interest ↗
- Concrete quantity ↗
- Cone volume ↗
- Coordinate distance ↗
- Coulomb electrostatic force ↗
- Covariance of paired data ↗
- CRC-32 text checksum ↗
- Credit card balance transfer comparison ↗
- Credit card payoff time ↗
- Credit utilization ratio ↗
- Credit weighted GPA ↗
- CSS border-radius generator ↗
- CSS box-shadow generator ↗
- CSS linear gradient generator ↗
- CSV pivot by group and sum ↗
- CSV to JSON ↗
- CSV to Markdown table ↗
- Cuboid volume ↗
- Currency at a manual rate ↗
- Currency cross-rate calculator ↗
- Current ratio ↗
- Custom country or state progressive tax worksheet ↗
- Custom processing fee ↗
- Customer acquisition cost (CAC) ↗
- Customer lifetime value — simple model ↗
- Customer retention and recurring revenue cohort ↗
- Cylinder volume ↗
D
- Date difference ↗
- Day of the week for a date ↗
- DC two-wire voltage drop ↗
- Debt service coverage ratio ↗
- Debt snowball vs avalanche comparison ↗
- Debt-to-income ratio ↗
- Deck board spacing and count ↗
- Degree of operating leverage ↗
- Density converter ↗
- Dimensional shipping weight ↗
- Discount calculator ↗
- Discounted payback period ↗
- Distance from a point to a line ↗
- Dividend income and yield planner ↗
- Download time ↗
- DuPont three-factor ROE ↗
- Duration converter ↗
- Dynamic viscosity converter ↗
E
- Early-payment discount annualized cost ↗
- Ecommerce contribution per order ↗
- Economic order quantity (EOQ) ↗
- Education cost inflation target ↗
- Effective annual rate ↗
- Electric charge converter ↗
- Electric field from a point charge ↗
- Electricity cost ↗
- Ellipse area ↗
- Ellipsoid volume ↗
- Emergency fund target and shortfall ↗
- End-of-service gratuity accrual planner ↗
- Energy converter ↗
- Energy stored in an inductor ↗
- England and Northern Ireland standard SDLT ↗
- Equivalent annual cost (EAC) ↗
- Equivalent salary from cost-of-living indices ↗
- EU reverse-charge VAT accounting scenario ↗
- EU VAT by country — standard rates ↗
- EV charging time and cost ↗
- Event probability ↗
- Exact fraction arithmetic ↗
- Exponential decay and remaining amount ↗
- Exponential growth doubling time ↗
- Extra loan payment savings ↗
- Extract a column from CSV ↗
- Extract email-like addresses and web URLs ↗
- Extract PDF pages ↗
F
- Factorial ↗
- Fence panels and posts ↗
- FIFO inventory issue cost ↗
- Filter a JSON object array ↗
- Filter CSV rows by a column ↗
- Find and replace ↗
- Find and replace within a CSV column ↗
- Find duplicate CSV keys ↗
- Finite population sample correction ↗
- Fiscal quarter and date boundaries ↗
- Fixed-coupon bond price ↗
- Flatten JSON to pointer entries ↗
- Fluid font-size CSS clamp generator ↗
- Fluid pressure from liquid head ↗
- Force converter ↗
- Foreign card and ATM cost ↗
- Four-band resistor color decoder ↗
- Fraction to decimal ↗
- Fractional odds implied probability ↗
- France income tax — one share, before reliefs ↗
- Free-fall time from rest ↗
- Freelance tax set-aside planner ↗
- Frequency converter ↗
- Frequency-table mean and variance ↗
- Fuel economy ↗
- Fuel trip cost ↗
- Fund switch fee break-even ↗
G
H
- Harmonic mean ↗
- HEX to RGB and HSL ↗
- High-low fixed and variable cost ↗
- Histogram bin and frequency table ↗
- Holding-period return after costs ↗
- Holiday and travel budget ↗
- Hooke’s law spring force and energy ↗
- Horizontal cylindrical tank fill volume ↗
- Hotel and tourist tax budget ↗
- Hourly to annual salary ↗
- Hours to ISO 8601 time duration ↗
- How long will savings last? ↗
- HTML entity encoding ↗
- Hydrostatic gauge pressure ↗
I
- Ideal gas pressure ↗
- Ideal lever effort force ↗
- Ideal projectile horizontal range ↗
- Ideal transformer secondary voltage ↗
- Illuminance converter ↗
- Import duty and VAT budget ↗
- Impulse and momentum change ↗
- India CGST, SGST and IGST invoice split ↗
- Inductance converter ↗
- Inflation and purchasing power ↗
- Integer base converter ↗
- Interest coverage ratio ↗
- Interest-only loan payment plan ↗
- Internal rate of return (IRR) ↗
- International money transfer received ↗
- Interpolate values from an XY table ↗
- Interquartile range and outlier fences ↗
- Inventory reorder point ↗
- Inventory turnover and days inventory ↗
- Investment annual fee impact ↗
- Investment return on investment (ROI) ↗
- Invoice aging report ↗
- Invoice factoring advance and cost ↗
- Invoice payment due date ↗
- Invoice simple interest from an entered rate ↗
- Invoice total ↗
- IPv4 subnet and CIDR calculator ↗
- Ireland income tax — single PAYE employee ↗
- Irregular polygon area and perimeter ↗
- ISO week number ↗
J
K
L
- Latent heat for a phase change ↗
- LC resonant frequency ↗
- Leap year checker and year length ↗
- Length converter ↗
- Level perpetuity present value ↗
- Linear momentum ↗
- Linear thermal expansion ↗
- Loan amortization schedule ↗
- Loan payment / EMI ↗
- Loan recast payment after a lump sum ↗
- Loan-to-value and combined LTV ↗
- Logarithm ↗
- Luminance converter ↗
M
- Magnetic flux converter ↗
- Magnetic flux density converter ↗
- Margin of safety in sales ↗
- Marketing funnel conversion worksheet ↗
- Markup ↗
- Mass converter ↗
- Matrix inverse and determinant ↗
- Matrix multiplication worksheet ↗
- Mean absolute deviation about the mean ↗
- Mean confidence interval — known sigma ↗
- Median ↗
- Meeting time across world time zones ↗
- Merge CSV tables with matching headers ↗
- Merge PDF files ↗
- Mileage reimbursement with tiers ↗
- Mixed-rate sales tax basket ↗
- Mode ↗
- Modified Dietz investment return ↗
- Modified internal rate of return (MIRR) ↗
- Modular exponentiation ↗
- Molar concentration converter ↗
- Molar mass converter ↗
- Monthly cash-flow budget worksheet ↗
- Monthly recurring date schedule ↗
- Monthly sales growth scenario ↗
- Mortgage affordability from a payment budget ↗
- Mortgage payment with taxes and insurance ↗
- Moving average time-series worksheet ↗
- Multiple discounts ↗
N
- NATO phonetic alphabet translator ↗
- Net pay from payslip deductions ↗
- Net present value (NPV) ↗
- Net worth worksheet with asset and debt totals ↗
- Netherlands Box 1 tax — before credits ↗
- New Zealand GST output and input balance ↗
- Normal distribution interval probability ↗
- Number rounding ↗
- Number to English words ↗
O
P
- Paint quantity ↗
- Pakistan ATL withholding quote comparison ↗
- Pay rise and salary increase ↗
- Percentage ↗
- Percentage change ↗
- Percentage difference ↗
- Percentage points ↗
- Percentile with linear interpolation ↗
- Periods to reach a savings goal ↗
- Permutations ↗
- Pipe flow velocity ↗
- Pipe internal capacity ↗
- Pipe Reynolds number ↗
- Pixel density ↗
- Pixels and rem converter ↗
- Plant spacing grid count ↗
- Poisson event probability ↗
- Polar and Cartesian coordinate converter ↗
- Polynomial definite integral by Simpson’s rule ↗
- Polynomial synthetic division ↗
- Polynomial value and derivative ↗
- Pool and tank filling time ↗
- Portfolio rebalancing trade worksheet ↗
- Power converter ↗
- Powers and roots ↗
- Predetermined overhead allocation ↗
- Preferred share current yield ↗
- Premixed concrete bag quantity ↗
- Present value of an annuity ↗
- Pressure converter ↗
- Prime factorization ↗
- Pro rata salary for part-time work ↗
- Probability of at least one success ↗
- Profit margin ↗
- Profitability index ↗
- Project critical path and slack ↗
- Proportion solver ↗
- Pythagorean theorem ↗
Q
R
- Radioactivity unit converter ↗
- Rainwater collection worksheet ↗
- Random choice ↗
- Range ↗
- Ratio simplifier ↗
- RC time constant and settling time ↗
- Reading time ↗
- Real nth root ↗
- Real return after inflation ↗
- Receivables aging loss allowance ↗
- Recipe ingredient batch scaler ↗
- Reconcile two ledgers by reference ↗
- Rectangle area ↗
- Redact selected JSON fields ↗
- Refinance fee break-even ↗
- Regular polygon dimensions ↗
- Remaining loan term from payment ↗
- Remove duplicate CSV rows ↗
- Remove duplicate lines ↗
- Rent affordability from a budget ratio ↗
- Rent versus buy net-worth scenario ↗
- Rental cash-on-cash return ↗
- Rental property capitalization rate ↗
- Required final exam score ↗
- Resize and convert image ↗
- Retirement income gap ↗
- Retirement income gap and target pot ↗
- Return on average assets ↗
- Return on average equity ↗
- Return on capital employed ↗
- Reverse line order ↗
- Reverse percentage ↗
- Reverse processing fee ↗
- Reverse text ↗
- ROAS and advertising break-even ↗
- Roof pitch and slope angle ↗
- Root mean square (RMS) ↗
- Rotate PDF pages ↗
- Rule of 72 comparison ↗
- Running pace ↗
S
- Safety stock with fixed lead time ↗
- Salary sacrifice marginal net cost ↗
- Salary to hourly, monthly and annual pay ↗
- Sales-mix break-even batches ↗
- Savings goal contribution ↗
- Savings with monthly contributions ↗
- Scientific notation ↗
- Scotland standard residential LBTT ↗
- Secure password generator ↗
- Secure random integer ↗
- Select a JSON value with JSON Pointer ↗
- Selling price for target margin after fees ↗
- Sensible heat energy ↗
- Series and parallel resistor network ↗
- SHA-256 text hash ↗
- Simple interest ↗
- Simple linear regression ↗
- Sinking fund periodic deposit ↗
- Slope ↗
- Snell’s law refraction angle ↗
- Soil and mulch ↗
- Solar energy yield from peak sun hours ↗
- Solve a linear equation system ↗
- Sort a JSON object array by a property ↗
- Sort CSV rows by column ↗
- Sort dates and inspect calendar gaps ↗
- Sort JSON object keys ↗
- Sort lines ↗
- Sound intensity level ↗
- Spearman rank correlation with ties ↗
- Specific heat capacity converter ↗
- Speed converter ↗
- Sphere volume ↗
- Split a CSV column by a literal delimiter ↗
- Split shared bills in proportion to income ↗
- Stair riser and run planner ↗
- Standard deviation ↗
- Steady thermal conduction through a slab ↗
- Stock length cutting plan ↗
- Stock split share and cost adjustment ↗
- Storage converter ↗
- Streaming internet data usage ↗
- Subscription annual cost comparison ↗
- Sum-of-years-digits depreciation ↗
- Summarize a numeric CSV column ↗
- Survey sample size for a proportion ↗
- Switzerland three-rate VAT basket ↗
T
- Tax deduction and allowance saving ↗
- Tax refund or balance owing ↗
- Temperature converter ↗
- Temperature interval ↗
- Text case converter ↗
- Text comparison ↗
- Textile linear density converter ↗
- Theoretical ex-rights price ↗
- Thermal conductivity converter ↗
- Thin lens image distance ↗
- Three-dimensional cross product ↗
- Three-dimensional dot product ↗
- Tiered marginal commission plan ↗
- Tile quantity ↗
- Time-weighted investment return ↗
- Tip and split the bill ↗
- Torque converter ↗
- Torque from force and angle ↗
- Torus volume ↗
- Total employee cost to employer ↗
- Transpose CSV rows and columns ↗
- Trapezoid area ↗
- Travel per diem allowance ↗
- Travel time ↗
- Treasury bill bank discount yield ↗
- Triangle area ↗
- Triangle solver from three sides ↗
- TSV and CSV converter ↗
- Two-solution concentration blend ↗
U
- UK employee National Insurance — annual estimate ↗
- UK non-savings income tax estimate ↗
- UK personal allowance taper ↗
- UK salary after income tax and NI — estimate ↗
- Unicode inspector ↗
- Unicode text normalization ↗
- Uniform wire resistance ↗
- Unit price ↗
- Units-of-production depreciation ↗
- Unix timestamp converter ↗
- Unpivot wide CSV columns ↗
- Unused holiday pay estimate ↗
- URL component encoding ↗
- URL query builder and parser ↗
- URL slug generator ↗
- US federal income tax — taxable income ↗
- US Social Security and Medicare withholding ↗
- US standard deduction — base amount ↗
- US state and local sales tax stack ↗
- UTF-8 text and binary converter ↗
- UTF-8 text and hexadecimal bytes ↗
- UUID format and version checker ↗
- UUID v4 generator ↗
V
W
- Wales main residential Land Transaction Tax ↗
- Wallpaper roll quantity ↗
- Water use ↗
- Wave propagation speed ↗
- Weekday count ↗
- Weekly hours and overtime payroll worksheet ↗
- Weighted average ↗
- Weighted average cost of capital ↗
- Weighted median ↗
- Weighted supplier scorecard ↗
- Welch two-sample t statistic and degrees of freedom ↗
- Whitespace cleanup ↗
- Word and character count ↗
- Word frequency counter ↗
- Work shift hours and unpaid breaks ↗
- Working capital and current ratio ↗