Lifestyle

Works out what is genuinely left for an engagement ring after the wedding, the honeymoon, a deposit and everything else the same money owes. No suggested price.

Works out the farrowing date from the service date on the 114 day swine average, with a window either side, the three-three-three rule and the usual herd calendar dates.

Turns a screen diagonal and aspect ratio into width and height, works the throw distance from the projector's throw ratio, and places the seats.

Fragrance oil weight for a given weight of candle wax at any load percentage, the same sum backwards, and the wax and oil a whole batch of containers needs.

Turn a target pounds of nitrogen per 1,000 square feet into pounds of an N-P-K product and bags to buy, or run it backwards from the bag you already have.

Name the face shape four measurements fall into, from forehead, cheekbone and jaw width and face length, with the rule that decided it printed alongside.

Works out what is left for a wedding gift from your own budget once travel, accommodation, outfit and gifts already given are taken off. No suggested figure.

Plans the quilt top: block count and cut size with seam allowance, sashing and cornerstones, border strips, and the yardage each colour needs.

Works out a player's Little League age for baseball or softball from a date of birth, and lists the divisions that league age is eligible for.

Prices a mowing visit from the grass that is actually cut, taking the house and the driveway off the lot, then adds trimming, edging and the cleanups for a whole season.

Prices a cleaning visit by floor area, by room count or by the hour, with the depth of clean, the recurring discount and every rate left as an input.

Sets a horse's daily forage and concentrate as a percentage of bodyweight for its workload, checks it against the published NRC ranges and plans a gradual change.

Morning and evening golden hour, blue hour and the three twilights for any date and place, worked out from the sun's altitude rather than a rule of thumb.

Works out the milligrams of THC in each piece of an edible, from the flower or concentrate that went into a batch or from the total printed on a package.

Work out the tablecloth size for a rectangular, round or oval table from the drop you want, with the nearest stock size and how many the table seats.

Work out propane burn rate from an appliance BTU rating, how many days a tank has left under the 80 percent fill rule, and the cost at your own price per gallon.

Doses for pH, total alkalinity, calcium hardness and cyanuric acid by pool volume, worked from the chemistry rather than a printed table, with the usual ranges.

Adds up a pet sitting booking from your own rates: visits per day, visit length, extra pets, overnight stays, holiday surcharges and mileage.

Tension a string pulls at a given gauge, scale length and tuning, and the reverse: the plain steel gauge a target tension needs at that pitch.

Prices a manufactured home move by distance and section count, then adds permits, escorts, set and level, blocking, anchors and the utility disconnect.

Totals a nine or eighteen hole card: gross, net after a course handicap spread by stroke index, stableford points and the adjusted gross a round is posted with.

How much epoxy a mould, river channel or flood coat takes, split into resin and hardener at any mix ratio by volume or by weight.

How much compost to top-dress an area at a given depth, in bags, bulk yards and weight, plus the carbon-to-nitrogen ratio of a pile and what to add to bring it to target.

Lambing date from the breeding date on a 147 day gestation, the service date for a wanted lambing date, and the lambing period from a ram in and ram out date.

Strips and yardage for binding a quilt, counting the length every diagonal join eats, with straight-grain and continuous-bias cutting.

Work out a mare's foaling date from the cover date on a 340 day gestation, with the normal day 320 to day 370 window and the usual scan and vaccination dates.

Read a club's swing weight on the Lorythmic scale from its total weight and balance point, or from head, shaft and grip weights, and see what a weight change does.

Kidding date from the breeding date, or the service date for a kidding date you want, with a window and the usual dates around it.

Turn a neck, sleeve, chest or bust measurement into a shirt size, a jacket size and a letter size, with the UK and European numbers alongside.

How much gravel, sand or planted substrate a tank needs, in pounds and kilograms, from the footprint, the depth and the bulk density of the material.

Turns bust, waist and hip into a US, UK and EU dress size across the misses and plus ranges, and says which to take when the three disagree.

Saddle height from your inseam by the LeMond and Hamley formulas, each named and kept separate, plus what a crank or shoe change does to it.

Estimates a tattoo price from the shop hourly rate and minimum charge, the size of the design, and detail and placement factors you can change yourself.

Turns a measured foot length in centimetres or inches into US men's, US women's, UK, EU and Mondopoint shoe sizes on a named conversion basis.

Works out how much potting mix a round pot, rectangular planter or window box takes, in litres, cubic feet, dry quarts and whole bags.

Turns a waist and inseam measurement into a pants size: the US number, the letter, the EU and UK numbers and the W by L tag denim is sold by.

Tank volume, surface area, filter turnover and the ammonia and nitrate a stocking plan produces, worked out from the fish you actually intend to keep.

Board length from rider weight, ability and the kind of riding, plus the waist width your boot size needs, with the sizing rule stated in the answer.

Portions a raw diet by percentage of body weight and splits the daily weight into muscle meat, raw edible bone, liver and other organ.

Works out how much shock a pool needs to reach a free chlorine level, or to reach breakpoint from a combined chlorine reading, at the strength you pick.

Adds up a wedding from your own quotes, per-guest and flat, with each line's share of the total, an optional contingency and a check against your budget.

Turns an inside circumference or diameter into a US, UK, EU/ISO and Japanese ring size, with the sizes either side, and converts between the four systems.

Backing yardage for a quilt top: how many widths of fabric to join, which way to run the seams, and how much to buy at the next eighth of a yard.

Converts a race time between short course yards, short course metres and long course metres using the published distance factor and per-turn adjustment.

A starting figure for your weight belt from the published percentage-of-body-weight bands, adjusted for exposure suit and for fresh or salt water.

Works out how many plants fit a bed at a given spacing, in straight rows or staggered, and how many it takes to cover an area of ground.

Sodium or potassium hydroxide and water for a soap batch, from your oil weights, their saponification values and the superfat you choose.

Punnett square for a foal's colour across five tested loci: extension, agouti, cream, dun and grey, with the chance of each colour and the genotypes behind it.