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Louise Gluck poetry stats
Two lines, “The night is still.” and “A moth finds the lamp.”, measure 2 verse lines, 9 words and 9 estimated syllables in one stanza.
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Microwave wattage
If one US cup of water reaches a rolling boil in 120 seconds on high, your microwave delivers about 1000 cooking watts.
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Hours to minutes converter
2.5 hours is 150 minutes: one total, not hours plus leftover minutes. Enter any hour count from a timesheet, a recipe or a parking stay, whole or fractional…
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Month counter
From January 2020 to June 2024 there are 53 whole months. Enter just the year and month of each date, with no day needed, and get the month count for a lease, a…
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Money weight calculator
Ten one-dollar bills, five twenties and two hundreds weigh 17 grams, because every US note weighs one gram.
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Nautical mile converter
One nautical mile is exactly 1852 metres, 1.852 kilometres and 1.150779448024 statute miles. Enter any distance in nautical miles from a chart, a flight…
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Number of days between dates
From 1 to 11 January 2024 there are 10 nights between the dates, or 11 days if the first and the last day both count.
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Paper thickness calculator
A stack of 500 sheets that measures 50 mm means each sheet is 0.1 mm thick, or 100 micrometres. Measure a ream, enter the count and read the caliper in…
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Paper weight calculator
500 A4 sheets at 80 gsm weigh 2.4948 kg, the familiar ream on every print order. Enter any sheet count, size and grammage to know the paper weight before…
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Podcast backlog calculator
40 unplayed episodes of 55 minutes at 1.25 times speed are 1,760 minutes, a little over 29 hours of listening.
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Pool salt calculator
A 50,000-liter pool at 2,500 ppm that must reach 3,200 ppm has a 700 ppm gap and needs 35 kg of salt.
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Price per acre calculator
250,000 for 50 acres is 5,000 per acre. Divide any asking or offer price by the acreage to compare a ranch, a homestead or a wooded lot on the same basis…
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Price per linear foot calculator
A piece 12 feet 6 inches long that costs 240 is 12.5 feet, so it works out at 19.2 per linear foot.
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Quarantine books calculator
14 days of 60 minutes a day at 40 pages per hour is 560 pages, enough to finish 1 book of 300 pages with most of a second under way.
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Quilt yardage calculator
A 60 by 80 inch quilt with 12-inch blocks and a 0.25-inch seam needs 30 blocks cut at 12.5 inches, just under three and a half yards of 42-inch fabric.
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Reading speed calculator
Read 2000 words in 10 minutes and your speed is 200 words per minute, so an 80000-word novel takes you 400 minutes.
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Retirement countdown
At 42.5 with retirement planned at 67, you have 24 years and 6 months to go. Enter your current age and your target age to see the remaining time as years…
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RPM calculator
At 100 km/h a 0.632 m tire turns 839.424805 times a minute; multiply by the gear ratio to get engine speed.
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SAT score calculator
A 720 in Reading and Writing plus a 750 in Math gives a combined SAT total of 1470 out of 1600. Each section is checked against the official 200 to 800 range…
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Shower cost calculator
A 10-minute shower at 8 liters per minute uses 80 liters; at 0.005 per liter plus 0.4 for heating, it costs 0.8 in total.
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Silver lining calculator
10.49 grams of silver spread over 100 square centimetres at a density of 10.49 makes a lining 100 micrometres thick, about 3.937 mils.
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Social media time alternatives
Two hours a day on social apps is 14 hours a week and 730 hours a year, time for about 122 six-hour novels or 973 workouts.
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Sock loss index calculator
Ten pairs bought and 14 single socks left after 12 months means 6 of 20 socks are gone: 30% in total, a sock loss index of 2.5% per month.
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Standing desk height calculator
At 175 cm tall and typing, set the desk surface to 107.8 cm and the monitor centre to 155.75 cm, with the top of the screen at eye level, 163.8 cm.
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Star Wars marathon calculator
The original trilogy at 121, 124 and 131 minutes runs 376 minutes, or 6 hours and 16 minutes back to back.
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Tablecloth size calculator
A 72 by 36 inch table with a 10-inch drop on each side needs a cloth of 92 by 56 inches. The drop is added at both ends of each side, so the hang comes out even…
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Tesla charging cost calculator
Taking a 75 kWh Tesla pack from 20% to 80% adds 45 kWh, and at 0.16 per kWh that session costs 7.2 in your tariff's currency.
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TikTok time alternatives
Ninety minutes a day on TikTok adds up to 10.5 hours a week and 547.5 hours a year, as much time as 14 workouts a week or about 91 novels a year.
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Time adder
1 hour 45 minutes 30 seconds plus 80 minutes and 90 seconds adds up to exactly 3 hours 7 minutes. Stack podcast chapters, workout intervals or meeting segments…
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Time duration calculator
2 hours 15 minutes 30 seconds plus 1 hour 20 minutes 45 seconds is 3 hours 36 minutes 15 seconds, also shown as 216.25 minutes and 12,975 seconds.
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Time in between
From 1 January at 9:00 to 2 January at 10:30 is 1 day, 1 hour and 30 minutes, or 1,530 minutes in all.
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Toilet paper calculator
Twelve rolls of 200 sheets at 40 sheets a day last 60 days, a little over eight weeks. Check the pack before a warehouse trip or a rental turnover and plan the…
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Toothpaste tube calculator
A 6-ounce tube used twice a day at a pea-sized 0.01 ounce lasts 300 days, while a quarter-ounce blob empties it in 12.
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UK to US shoe size converter
A UK 8 is a US 9 and a UK 5.5 is a US 6.5: the US scale sits one full size above the UK scale for the same gender.
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TV series duration calculator
Five seasons of ten 45-minute episodes is 50 episodes and 2,250 minutes: 37.5 hours of viewing. Check a drama, a rewatch or a limited series before you commit…
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Vacation countdown
From 25 July 2026 to a 15 August departure there are 21 days left, exactly 3 weeks. Type today's date and your trip's start date and get a count that never…
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Wedding countdown
From 20 March 2026 to a wedding on 15 June 2027 there are 1 year, 2 months and 26 days left. Enter the ceremony date and the day you treat as today, and the…
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Well volume calculator
A 6-inch well with 100 feet of standing water holds about 146.88 US gallons. Enter the casing's inside diameter and the water column to know what sits in the…
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Wheel horsepower calculator
With 300 horsepower at the crank and a 15% drivetrain loss, 255 reach the driven wheels and 45 are lost.
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Wizarding currency converter
3 galleons are 1,479 knuts, because a galleon is worth 17 sickles and a sickle 29 knuts. Convert any amount between the three coins and see it as a purse of…
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Words per minute calculator
200 words typed in 4 minutes is 50 words per minute. Enter a finished word count and the elapsed minutes to get a typing speed you can compare across hiring…
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Yes or no
Type a yes or no question and get a single word that never changes for the same wording: "Should I take the new job?" gets no every time.
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A/B test calculator
Find out whether your variant really beat the control: 130 conversions from 1000 visitors against 100 from 1000 gives a z-score of 2.10274060562 and a two-sided…
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Ascending order
Sort numbers from smallest to largest: with 9, -2, 0, 1 and four and a half entered twice, you get -2 first and 9 last, with both copies of four and a half kept…
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➗ MathFree
Benford's law calculator
Under Benford's law about 30.103 percent of numbers start with 1, but only about 4.576 percent start with 9.
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Bonferroni correction calculator
A significance level of 0.05 spread over 10 comparisons gives a per-test cutoff of 0.005. Enter the original level and the number of planned tests, and judge…
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🔬 ScienceFree
Basal area calculator
Turn a diameter tally into stand basal area: three sample trees averaging 30 cm at 400 stems per hectare give about 30.37 square metres per hectare.
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Cat chocolate toxicity calculator
Check how risky a chocolate theft was: 20 grams of milk chocolate eaten by a 4 kg cat gives 40 mg of theobromine, or 10 mg per kilogram, a negligible dose.
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Cell dilution calculator
From a stock of 2,400,000 cells/mL, reaching 500,000 cells/mL in 10 mL takes just over 2 mL of suspension and just under 8 mL of medium, a dilution factor of…
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🔬 ScienceFree
Cow gestation calculator
A cow bred on 1 March 2026 is due around 9 December 2026, 283 days later, the textbook average for cattle.
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DNA to mRNA converter
Paste a coding-strand DNA sequence and every T becomes U: ATGC turns into AUGC, while A, C and G stay as they are.
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Dog heat cycle calculator
If your dog's last heat began on 15 January 2026 and her cycle is six months, the next one is expected around 15 July 2026, with a watch window from 8 to 22…
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🔬 ScienceFree
Dog raisin toxicity calculator
A 10 kg dog that eats 10 raisins has taken in 5 g, or 0.5 g per kilogram, which falls in the low educational band.
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Fish oil dosage for cats
Turn your cat's weight into a daily omega-3 amount: a 5 kg cat at a 40 mg per kg target needs 200 mg of EPA plus DHA, the figure to compare with the label on…
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Guinea pig age calculator
Find out how old your cavy is in human terms: a 2-year-old guinea pig is about 26.7 human years, because its age is scaled by an 80-year human life against a…
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How big will my cat get
Find out how big your kitten will be: a 12-week-old kitten weighing 1 kg is about a quarter of its adult size and projects to 4 kg, since most cats finish…
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Omega-3 for dogs
A 20 kg dog on a 50 mg per kilogram target needs 1000 mg of combined EPA and DHA a day, a figure you can match to a capsule or pump label.
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🔬 ScienceFree
Plant population calculator
Know your stand before you order trays: a 1000 square-metre bed at 0.5 metre square spacing holds 4000 plants, 4 per square metre.
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🔬 ScienceFree
Protein concentration calculator
Read protein concentration straight off your standard curve: an absorbance of 0.85 with a slope of 0.4 and an intercept of 0.05 gives 2 mg/mL.
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🔬 ScienceFree
qPCR efficiency calculator
Check a qPCR assay from its standard curve: a slope of −3.32 means an efficiency just over 100%, an amplification factor of 2.000805254556 per cycle, so the…
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