The original ratio stays 1:16.7.
Practical coffee calculators
Answer the next coffee question.
Scale a recipe, rescue a cup, plan cold brew or check a bag's cost. Café teams can test margin, inventory and labour decisions before changing the operation.
For home brewersScale a brew
Turn a one-cup recipe into the amount you need without overflowing the brewer.
About 2 minutes · result updates as you typeSplit this into equal brews. Large coffee beds do not scale perfectly in one small brewer.
Coffee waste calculator
Turn discarded coffee into a number you can act on.
Use your own purchase price and measured waste. The result is a planning estimate, not a target for punishing the team.
- Daily coffee
- 162g
- Daily bean cost
- PKR 2,592
- Cost per gram
- PKR 16.00
Dial-in108g
Purge36g
Remakes18g
Start by improving the largest preventable category. Keep quality-control tasting separate from unexplained waste.
For coffee drinkers
My Coffee Lab
Save your own bags, record exact recipes and build a taste memory that becomes more useful after every brew.
- Visible saved-bag shelf
- Brew journal
- Recipe history
- Repeat from the same bag
For café teams
Run the café
Count stock, cost drinks, prepare the rota, train the team and keep each branch ready for service.
- Stock and reorder lists
- Drink costs and margins
- Team rota
- Training and daily checklists
Use the result well
Ratio describes. Taste decides.
Brew ratio connects coffee and water or beverage mass. It does not promise a universally correct extraction for a country, farm or roast. Use the number to repeat a starting point, then change one variable and taste.
Read the SCA brewing-chart researchGross margin and markup are not interchangeable. Both calculators expose their formula so an owner can see exactly what the result includes and what it does not.
Save a café recipe