GintiCalc · Converters
Instant unit, currency, and measurement conversions for metric and imperial.
LengthWise
Convert inches to centimetres instantly, with the exact 2.54 factor, a reverse converter, and a reference table of commo
Convert centimetres to inches using the exact 2.54 factor, with a reverse converter and a reference table covering the a
Convert feet to metres with the exact 0.3048 factor, a reverse converter, and a table of room, ceiling, and building dim
Convert metres to feet by dividing by 0.3048, with a reverse converter and a reference table spanning heights and buildi
DistanceWise
Convert miles to kilometres with the exact 1.609344 factor, a reverse converter, and a table including 5K, 10K, half and
Convert kilometres to miles by dividing by 1.609344, with a reverse converter and a table including half and full marath
Convert millimetres to inches by dividing by 25.4, with a reverse converter and a reference table of fastener and materi
MassWise
Convert kilograms to pounds with the exact 2.20462 factor, a reverse converter, and a table covering body weights and ai
Convert pounds to kilograms using the exact 0.45359237 factor, with a reverse converter and a table spanning common body
Convert grams to ounces by dividing by 28.3495, with a reverse converter and a reference table of common recipe quantiti
Convert ounces to grams with the exact 28.3495 factor, a reverse converter, and a table of recipe quantities up to four
Convert stone to kilograms (1 stone = 6.35029 kg), with a reverse converter and a table covering the usual UK body weigh
TempWise
Convert Celsius to Fahrenheit with the ×9/5 + 32 formula, a reverse converter, and a table covering weather, body, and o
Convert Fahrenheit to Celsius by subtracting 32 and multiplying by 5/9, with a reverse converter and a table covering we
Convert Celsius to Kelvin by adding 273.15, with a reverse converter and a reference table from absolute zero upward. Fr
VolumeWise
Convert litres to US gallons (÷3.785), with a reverse converter, a reference table of tank sizes, and the imperial gallo
Convert US gallons to litres (×3.785411784), with a reverse converter and a reference table of common tank and container
Convert millilitres to US fluid ounces (÷29.5735), with a reverse converter and a reference table of standard can and bo
KitchenScale
Convert US cups to millilitres (1 cup = 236.6 ml), with a reverse converter and a table of standard recipe fractions. Fr
AreaWise
Convert square feet to square metres (÷10.7639), with a reverse converter and a table of typical room, apartment, and ho
Convert square metres to square feet (×10.7639), with a reverse converter and a table of common room and property sizes.
SpeedWise
Convert miles per hour to kilometres per hour (×1.609344), with a reverse converter and a table of common speed limits.
Convert kilometres per hour to miles per hour (÷1.609344), with a reverse converter and a table of common metric speed l
DateDelta
Duration between two times of day, in hours and minutes.
Hours worked from clock-in, clock-out, and break time.
Weekly total hours and overtime from daily entries.
Annual cost of your daily commute.
Compare two package sizes on a true per-unit basis.
Cost of electricity usage from kWh and your rate.
Estimate your water bill from usage, rate, and base fee.
Scale any ingredient amount up or down for a new serving size.
Convert women's clothing sizes between US, UK, and EU.
Convert men's shoe sizes between US, UK, EU, and cm.
Find your US ring size from a measured inner diameter.
Find your Western zodiac sign from your birth date.
Find the Moon's phase and illumination for any date.
ConvertX
Length, weight, temperature, and volume — all in one place.
FXSwitch
Convert between 30+ major world currencies.
ZoneSync
Schedule across cities and continents.
ByteBridge
Bytes, KB, MB, GB, TB, PB — decimal and binary.
Tsp, tbsp, cup, oz, ml — plus ingredient weight conversions.
BaseShift
Decimal, binary, octal, and hexadecimal — all live-linked.
ColorBridge
HEX, RGB, and HSL — with a live colour preview.
LifeSpan
Exact age in years, months, days, hours, and minutes.
Days, weeks, months, and years between any two dates.
RomanRender
Decimal ↔ Roman numerals, from 1 to 3,999.
Convert a dog's age into human-equivalent years.
Convert a cat's age into human-equivalent years.
Check whether any year is a leap year, and why.
Find the date a given number of days before or after another.
Count weekdays (Mon–Fri) between two dates.
How many days until your next birthday.
Days remaining until the next New Year's Day.
Days remaining until the next Christmas Day.
Convert HH:MM:SS into decimal hours for payroll and timesheets.
Convert a date and time into a Unix timestamp.
Convert a calendar date into a Julian Day Number.
Total hours worked in a year after vacation and holidays.