All tools and calculators
Every Rozeta calculator and converter, from A to Z.
Unit converter
- Lengthkm, miles, metres, feet, inches
- Weightkg, pounds, grams, ounces
- VolumeLitres, gallons, millilitres, cups
- TemperatureCelsius, Fahrenheit, Kelvin
- Area & dunamm², dunam, acres, square feet
- Speedkm/h, mph, knots
- Data sizeKB, MB, GB, TB and GiB
- Time spanSeconds to years
- Energy & caloriesCalories, joules, kWh
- PressureBar, PSI, atmospheres. Tyres too.
- Fuel economykm/L, L/100 km and MPG
- AnglesDegrees, radians, turns
- Power & horsepowerWatts, kW, hp and BTU
- ForceNewtons and kgf
- Frequency & rpmHz, MHz and rpm
- Pixels & pointspx, rem and print points
- Densitykg/m³, g/cm³ and pounds
- Flow rateL/min, m³/h and gallons
- TorqueN·m, lb·ft and kgf·m
Kitchen measures
Percentages
Smart shopping
Foreign currency
Clothing & shoe sizes
Dates
Hebrew calendar
World clock
Pay & payslip
- Gross to net payWhat’s left after income tax, national insurance and pension
- Hourly, monthly, yearly payConvert between pay periods
- Work hours & overtimeShifts added up by day
- Add up hoursTotal of several durations
- Tax credit pointsTax credit points under the published rule
- Pension contributionsEmployee, employer, severance
- Study fundMonthly study fund contributions
Rights & benefits
- Severance payLast salary times years worked
- Vacation daysVacation days by length of service, under the published rule
- Sick daysSick days built up, and what they pay
- Reserve duty payWhat reserve duty days pay
- Unemployment benefitEstimated unemployment benefit
- Maternity payMaternity pay by salary
- Child allowanceNational insurance allowance by number of children
Self-employed & business
Loans & payments
Buying & renting
Saving & investing
- Compound interestHow savings grow over time
- Savings goalHow long to reach a target
- Return on investmentYour gain in percent, and per year
- 50/30/20 budgetSplit income into needs, wants, savings
- InflationWhat an old amount is worth today
- Capital gains taxTax on stock gains
- Crypto profit & lossFrom buy price, sell price and quantity
Body & weight
Running & training
Renovation materials
Electricity at home
Driving
Grades & averages
Fractions & factors
Shapes & triangles
Colours
Encode & decode
Word count
Electronics
3D printing
Calculators
- Meat to dairy waitWhen you can eat dairy again
- Unix timestampTimestamp to date
- Due dateFrom the first day of the last period
- Sleep cyclesWhen to go to bed to wake fresh
- Blood alcoholRough estimate from drinks and weight
- Daily caffeineHow much caffeine you’ve had today
- Thawing timeThawing time in the fridge or water
- Screen sizeWidth and height from inches
- Air conditioner sizeHow much capacity a room needs
- Tyre sizeWhat the tyre code means
- Fall timeHow long something takes to fall
- Kinetic energyEnergy from mass and speed
- Molar massMolar mass of a chemical formula
- Half-lifeWhat’s left after a given time
- pHAcidity from concentration, and back
- Ideal gas lawPV = nRT: pressure, volume, amount or temperature
- Space distancesLight-years, AU, parsecs and km
- Math expressionBrackets, powers, roots, percents
- Number basesDecimal, hex, binary, octal
- Subnet & CIDRMask, range and host count
- UUIDA fresh unique ID
- JSON formatterTidy and check JSON
- px to remFrom a base font size
- Aspect ratioNew height from a width
- Cron explainerA cron line in words, and when it runs
- Regex testerMatches and groups on your text
- chmod permissions755 in words, and rwx to a number
- Keyboard layout fixTyped in the wrong layout? This fixes it
- GematriaThe number value of a word
- Roman numeralsNumbers to Roman and back
- Morse codeEnglish text to Morse
- Change caseUPPER, lower and Title
- Amount in wordsFor cheques and contracts, in both genders
- Password generatorA strong random password, and how strong
- Remove nikud & teamimText without vowels or cantillation, plus a vowel chart
- Rule of threeIf A is B, then C is what
- Quadratic equationSolve ax² + bx + c = 0
- Dice & random numbersDice, random numbers, draws
- Scientific notationVery big and very small numbers