All tools · Page 147
Find a calculator, convert a unit, or explore a formula. Each tool includes a method and a worked example.
Picowatts to tons of refrigeration converter
Convert Picowatts (pW) to tons of refrigeration (TR). Calculate a value, check the formula and compare common measurements.
Open toolPicowatts to Nanowatts converter
Convert Picowatts (pW) to Nanowatts (nW). Calculate a value, check the formula and compare common measurements.
Open toolPicowatts to Microwatts converter
Convert Picowatts (pW) to Microwatts (µW). Calculate a value, check the formula and compare common measurements.
Open toolPicowatts to Milliwatts converter
Convert Picowatts (pW) to Milliwatts (mW). Calculate a value, check the formula and compare common measurements.
Open toolPicowatts to Gigawatts converter
Convert Picowatts (pW) to Gigawatts (GW). Calculate a value, check the formula and compare common measurements.
Open toolPicowatts to Terawatts converter
Convert Picowatts (pW) to Terawatts (TW). Calculate a value, check the formula and compare common measurements.
Open toolTerahertz to hz converter
Convert Terahertz (THz) to hz (Hz). Calculate a value, check the formula and compare common measurements.
Open toolTerahertz to khz converter
Convert Terahertz (THz) to khz (kHz). Calculate a value, check the formula and compare common measurements.
Open toolTerahertz to mhz converter
Convert Terahertz (THz) to mhz (MHz). Calculate a value, check the formula and compare common measurements.
Open toolTerahertz to ghz converter
Convert Terahertz (THz) to ghz (GHz). Calculate a value, check the formula and compare common measurements.
Open toolTerahertz to rpm converter
Convert Terahertz (THz) to rpm (rpm). Calculate a value, check the formula and compare common measurements.
Open toolTerahertz to radians per second converter
Convert Terahertz (THz) to radians per second (rad/s). Calculate a value, check the formula and compare common measurements.
Open toolSubnet Calculator
Find an IPv4 network boundary, final address, block size and conventional usable-host count.
Open toolCidr Calculator
Convert an IPv4 CIDR prefix length to its dotted-decimal subnet mask.
Open toolNetwork Address Calculator
Find the IPv4 network boundary from an address and CIDR prefix length.
Open toolBroadcast Address Calculator
Find the conventional broadcast address for an IPv4 subnet with a prefix from 0 to 30.
Open toolIpv6 Subnet Calculator
Find a canonical IPv6 network address and an exact address count for the chosen prefix.
Open toolIpv4 Range To Cidr Calculator
Cover an inclusive IPv4 address range with the smallest aligned set of CIDR blocks.
Open toolIpv4 Subnet Split Calculator
Split an aligned IPv4 network into equal-prefix subnets and list their boundaries.
Open toolWeeks Between Dates Calculator
Count complete weeks and remaining calendar days between two dates.
Open toolMonths Between Dates Calculator
Count complete calendar months between dates using an explicit end-of-month anniversary rule.
Open toolYears Between Dates Calculator
Count complete calendar years between dates, with February 29 anniversaries clamped to February 28.
Open toolAge Calculator
Calculate age in complete years, months and days on a date you choose.
Open toolSubtract Days Calculator
Find the calendar date a stated number of days before your starting date.
Open toolAdd Months Calculator
Add or subtract calendar months and handle shorter destination months explicitly.
Open toolAdd Years Calculator
Add or subtract calendar years, including leap-day dates.
Open toolBusiness Days Calculator
Count Monday-to-Friday working days between dates, excluding the holidays you enter.
Open toolAdd Business Days Calculator
Find a date after a stated number of working days, skipping weekends and your holiday list.
Open toolWeekday Calculator
Find the day of the week for a past or future Gregorian calendar date.
Open toolDay Of Year Calculator
Find a date’s day number within its year, accounting for leap years.
Open toolWeek Number Calculator
Find the ISO week number, ISO week-year and weekday for a calendar date.
Open toolIso Week To Date Calculator
Convert an ISO week-year, week number and weekday into a calendar date.
Open toolBirthday Calculator
Find the next birthday and the number of days remaining from a reference date you choose.
Open toolLeap Year Calculator
Check whether a Gregorian year is a leap year and whether it has 365 or 366 days.
Open toolDays In Month Calculator
Find the number of days in a month for the chosen Gregorian year.
Open toolTime Duration Calculator
Calculate elapsed seconds between timestamps with explicit UTC offsets.
Open toolClock Time Difference Calculator
Calculate elapsed minutes between two 24-hour clock times, with an explicit overnight option.
Open toolCountdown Calculator
Compare a target timestamp with a stated reference timestamp to find the time remaining.
Open toolUnix Timestamp Converter
Convert whole Unix seconds into a UTC timestamp.
Open toolJulian Date Calculator
Convert a timestamp to a UTC-based Julian date using the stated civil-time approximation.
Open toolBase64 Encoder Decoder
Encode UTF-8 text as standard Base64, or decode canonical Base64 as UTF-8 text.
Open toolBase64Url Encoder Decoder
Encode or decode UTF-8 text with the URL-safe Base64 alphabet.
Open toolUrl Encoder Decoder
Percent-encode a URL component or decode its escapes while keeping a literal plus unchanged.
Open toolUnicode Converter
Convert Unicode text to code points or valid scalar code points back to text.
Open toolUtf8 Byte Converter
Convert Unicode text to hexadecimal UTF-8 bytes or decode valid UTF-8 bytes into text.
Open toolAscii Converter
Convert ASCII text to numeric character codes or codes from 0 to 127 back to text.
Open toolInteger Base Converter
Convert signed whole numbers between bases 2 through 36 without losing integer precision.
Open toolCsv To Json Converter
Convert CSV into JSON arrays or objects, keeping every cell as text.
Open tool