Developer Utilities
Small developer utilities that save a trip to a random website. Encode and decode Base64, explain a regex, build UTM links, generate QR codes and vCards, and more — the everyday helpers. Free in your browser, and available by API when you need them in a script.
Developer Utilities
EPS growth calculator
rate from beginning and ending EPS
POST /fin/eps-growth$0.002Developer Utilities
Equivalent rate calculator
annual rate to another frequency
POST /fin/equivalent-rate$0.002Developer Utilities
EV to sales calculator
EV ÷ annual revenue multiple, free
POST /fin/ev-to-sales$0.002Developer Utilities
Exit rate calculator
annualize last-month recurring revenue
POST /fin/exit-rate$0.002Developer Utilities
Expected return calculator
weighted portfolio return from asset weights
POST /fin/expected-return$0.002Developer Utilities
Expected utility calculator
probability-weighted average of utilities
POST /fin/expected-utility$0.002Developer Utilities
Expense ratio calculator
fund TER from expenses and average AUM
POST /fin/expense-ratio$0.002Developer Utilities
FFO calculator
funds from operations from net income and D&A
POST /fin/ffo$0.002Developer Utilities
FHA loan calculator
monthly payment including MIP
POST /fin/fha-loan$0.002Developer Utilities
Fibonacci retracement calculator
23.6% to 78.6% price levels
POST /fin/fibonacci-retracement$0.002Developer Utilities
FICA tax calculator
Social Security and Medicare from wages
POST /fin/fica-tax$0.002Developer Utilities
FIFO inventory calculator
ending inventory and COGS from lots
POST /fin/fifo-for-inventories$0.002Developer Utilities
Finance charge calculator
total cost of credit on a loan
POST /fin/finance-charge$0.002Developer Utilities
Financial leverage ratio calculator
D/E from total debt and equity
POST /fin/financial-leverage-ratio$0.002Developer Utilities
FIRE calculator
target portfolio and years to independence
POST /fin/fire$0.002Developer Utilities
Fisher effect calculator
real interest rate from nominal and inflation
POST /fin/fisher-effect$0.002Developer Utilities
Fisher equation calculator
real interest rate from inflation
POST /fin/fisher-equation$0.002Developer Utilities
Fixed asset turnover calculator
net sales over average net PP&E
POST /fin/fixed-asset-turnover$0.002Developer Utilities
Fixed deposit calculator
maturity amount from principal, rate, tenure
POST /fin/fixed-deposit$0.002Developer Utilities
Florida overtime calculator
1.5× after 40 hours in a workweek
POST /fin/florida-overtime$0.002Developer Utilities
Florida sales tax calculator
6% + county surtax, tax and total
POST /fin/florida-sales-tax$0.002Developer Utilities
Forward premium calculator
annualized FX premium or discount
POST /fin/forward-premium$0.002Developer Utilities
Forward rate calculator
implied rate from two spot rates
POST /fin/forward-rate$0.002Developer Utilities
Free cash flow calculator
FCF from operating cash flow minus capex
POST /fin/free-cash-flow$0.002Developer Utilities
Free cash flow to equity calculator
FCFE from NI, CapEx
POST /fin/free-cash-flow-to-equity$0.002Developer Utilities
FCFF calculator
free cash flow to the firm from EBIT
POST /fin/free-cash-flow-to-firm$0.002Developer Utilities
Free float calculator
shares available for public trading
POST /fin/free-float$0.002Developer Utilities
Full-time equivalent calculator
FTE from hours and standard
POST /fin/full-time-equivalent$0.002Developer Utilities
Future salary calculator
project pay from raise and years
POST /fin/future-salary$0.002Developer Utilities
Future value calculator
FV from PV, rate and periods
POST /fin/future-value$0.002Developer Utilities
Futures contract calculator
profit or loss from size and prices
POST /fin/futures-contract$0.002Developer Utilities
GDP calculator
expenditure approach from C + I + G + (X − M)
POST /fin/gdp$0.002Developer Utilities
GDP gap calculator
actual vs potential GDP (amount and %)
POST /fin/gdp-gap$0.002Developer Utilities
GDP growth calculator
decimal rate from two GDP values
POST /fin/gdp-growth$0.002Developer Utilities
Georgia overtime calculator
40-hour week, time-and-a-half
POST /fin/georgia-overtime$0.002Developer Utilities
Gift of equity calculator
reportable gift from FMV and sale price
POST /fin/gift-of-equity$0.002Developer Utilities
Gold melt value calculator
weight, karats and spot per gram
POST /fin/gold-melt$0.002Developer Utilities
Goodwill calculator
acquisition goodwill from purchase price
POST /fin/goodwill$0.002Developer Utilities
Google AdSense calculator
estimate earnings from page views
POST /fin/google-adsense$0.002Developer Utilities
Graham number calculator
max defensible stock price from EPS
POST /fin/graham-number$0.002Developer Utilities
Gratuity calculator
end-of-service payout from salary and years
POST /fin/gratuity$0.002Developer Utilities
Gross margin calculator
amount and percent from revenue and COGS
POST /fin/gross-margin$0.002Developer Utilities
Gross rent multiplier calculator
price ÷ annual rent, free
POST /fin/gross-rent-multiplier$0.002Developer Utilities
Gross to net calculator
take-home pay from salary, tax, deductions
POST /fin/gross-to-net$0.002Developer Utilities
Growing annuity calculator
PV and FV from payment, growth and rate
POST /fin/growing-annuity$0.002Developer Utilities
GRP calculator
gross rating points from reach and frequency
POST /fin/grp$0.002Developer Utilities
GST calculator
tax amount and gross price from net, free
POST /fin/gst$0.002Developer Utilities
GST QST calculator
Canadian tax amounts and total, free
POST /fin/gst-qst$0.002Developer Utilities
GTIN check digit calculator
GS1 mod-10 from leading digits
POST /fin/gtin-check-digit$0.002Developer Utilities
Hedge ratio calculator
optimal futures hedge from correlation
POST /fin/hedge-ratio$0.002Developer Utilities
HELOC calculator
monthly payment and credit line
POST /fin/heloc$0.002Developer Utilities
HHI calculator
Herfindahl-Hirschman Index from market shares
POST /fin/hhi$0.002Developer Utilities
High-low method calculator
fixed and variable cost per unit
POST /fin/high-low-method$0.002Developer Utilities
Home improvement loan calculator
monthly payment and total cost
POST /fin/home-improvement-loan$0.002Developer Utilities
Home loan calculator
monthly payment on a fixed-rate loan
POST /fin/home-loan$0.002Developer Utilities
Home loan EMI calculator
monthly payment from principal and tenure
POST /fin/home-loan-emi$0.002Developer Utilities
Home mortgage calculator
monthly payment and amortization totals
POST /fin/home-mortgage$0.002Developer Utilities
US home value calculator
estimate from purchase price and index
POST /fin/home-value-us$0.002Developer Utilities
Hourly to annual salary
yearly pay from wage and weekly hours free
POST /fin/hourly-to-annual-salary$0.002Developer Utilities
Hourly to salary with overtime
weekly and annual pay from rate
POST /fin/hourly-to-salary-with-overtime$0.002