Everyday calculators (30)
Run one of 30 exact everyday calculators: home and DIY, garden, kitchen, car, energy, everyday numbers.
Details
Give "calculator" and the inputs you know; missing inputs take the default shown by {"calculator":"list"}. The answer has every output with its label, unit and the method used.
Calculators: paint, tiles, wallpaper, concrete-slab, flooring, stairs, roof-pitch, fence, mulch-soil, gravel, plant-spacing, pool-volume, aquarium, rainwater, recipe-scaler, oven-temperature, cups-to-grams, cake-tin, yeast, brine, coffee-ratio, trip-fuel-cost, fuel-economy, appliance-cost, led-savings, unit-price, percentage-change, tip-split, hours-worked, days-between.
Price: CHF 0.001 per call (first 100 calls per day free).
Example: {"calculator":"paint","inputs":{"length":5,"width":4,"height":2.5}} → {"outputs":[…,{"id":"litres","label":"Paint needed","value":8.38,"unit":"L","display":"8.4"}]}.
Call it
RESTcurl -X POST https://api.tausendwerk.xyz/v1/calculator \
-H "Content-Type: application/json" \
-d '{"calculator":"paint","inputs":{"length":5,"width":4,"height":2.5}}'calculatorAfter the free 100 calls per day, add a key: Authorization: Bearer tw_live_…. Pricing
Try it
Runs against the live API with the free allowance.
Input schema JSON Schema
{
"type": "object",
"additionalProperties": false,
"required": [
"calculator"
],
"properties": {
"calculator": {
"type": "string",
"enum": [
"list",
"paint",
"tiles",
"wallpaper",
"concrete-slab",
"flooring",
"stairs",
"roof-pitch",
"fence",
"mulch-soil",
"gravel",
"plant-spacing",
"pool-volume",
"aquarium",
"rainwater",
"recipe-scaler",
"oven-temperature",
"cups-to-grams",
"cake-tin",
"yeast",
"brine",
"coffee-ratio",
"trip-fuel-cost",
"fuel-economy",
"appliance-cost",
"led-savings",
"unit-price",
"percentage-change",
"tip-split",
"hours-worked",
"days-between"
]
},
"inputs": {
"type": "object",
"additionalProperties": {
"type": [
"number",
"string"
]
}
}
},
"examples": [
{
"calculator": "paint",
"inputs": {
"length": 5,
"width": 4,
"height": 2.5
}
},
{
"calculator": "list"
}
]
}