MyPRTools
Everyday tools made for Puerto Rico.
Calculate money, work, auto, electricity and more in seconds. Free, fast and no account required.
Try “sales tax”, “hours”, “car” or “percentage”.
Popular Tools
The most used on the island, ready to use with no account.
Puerto Rico IVU Calculator
Money
Sales tax on a purchase, forward or in reverse.
OpenOvertime Calculator
Work
Regular pay, overtime pay and gross for the period.
OpenHours Worked Calculator
Work
Add shifts, subtract breaks, cross midnight safely.
OpenCar Payment Calculator
Auto
Monthly payment, total interest and amortization.
OpenCredit Card Payoff Calculator
Money
How many months, how much interest, target date.
OpenElectricity Usage Calculator
Energy
kWh and monthly cost for any appliance.
OpenGenerator Fuel Calculator
Energy
How much fuel it burns and what the outage costs.
OpenAppliance Cost Calculator
Energy
What the A/C or any appliance adds to your bill.
OpenMortgage Calculator
Money
Monthly payment, total interest and what rides along.
OpenPay Period Calculator
Work
What this pay period comes to, and per hour.
OpenPercentage Calculator
Math
Six modes: percent of, what percent, change and more.
OpenPuerto Rico Net Salary Calculator
Money
What's left after PR tax and FICA.
OpenTip Calculator
Everyday
Tip and total, split across the table.
OpenSolar Savings Calculator
Energy
Panel production, monthly savings and payback.
OpenPuerto Rico Christmas Bonus Calculator
Work
Estimate the bonus from wages, hours and employer size.
OpenMarbete Calculator
Auto
Fees, ACAA, insurance and inspection: your total.
OpenPersonal Loan Calculator
Money
Monthly payment, total interest and amortization table.
OpenMade for Puerto Rico
We're not another generic pile of calculators. MyPRTools gathers tools built for the situations we live here every day: sales tax on a purchase, hours off the time clock, overtime on your paycheck, the car payment at the dealership and what the A/C takes out of your power bill.
Spanish first
Written in Puerto Rican Spanish, with English available on every page for whoever prefers it.
Local terminology
IVU, ponche, marbete, guagua, quincena. Search the way you speak and the tool shows up.
Local context
Configured IVU rate, gas priced per liter and examples from island reality, not another market.
Browse by category
Organized so you reach the calculation in two taps.
For everyday life
The math that comes up at the store, at work and when the bill arrives.
Puerto Rico IVU Calculator
Money
Sales tax on a purchase, forward or in reverse.
OpenHours Worked Calculator
Work
Add shifts, subtract breaks, cross midnight safely.
OpenElectricity Usage Calculator
Energy
kWh and monthly cost for any appliance.
OpenGenerator Fuel Calculator
Energy
How much fuel it burns and what the outage costs.
OpenAppliance Cost Calculator
Energy
What the A/C or any appliance adds to your bill.
OpenCuerda Converter
Math
Cuerdas to metres, acres, hectares and feet.
OpenPercentage Calculator
Math
Six modes: percent of, what percent, change and more.
OpenTip Calculator
Everyday
Tip and total, split across the table.
OpenDiscount Calculator
Everyday
Sales, stacked coupons and the final price with tax.
OpenGas Cost Calculator
Auto
Trip cost and your monthly commute, in liters.
OpenMarbete Calculator
Auto
Fees, ACAA, insurance and inspection: your total.
OpenSolve more in less time
MyPRTools is built to answer fast, on your phone, with no sign-up.
Free, no account
No sign-ups, no forms. Open it, calculate and get on with your day.
Instant results
Results update as you type, with no page reloads.
Genuinely bilingual
Every tool exists in Spanish and English, written by hand rather than machine translated.
Private by design
Calculations run in your browser. We don't store what you type.