Practical tools hub
Online calculators and practical tools for tasks you need to solve fast
Find fast online tools for cooking times, loan payments, BAC estimates, nutrition, text work, and everyday conversions without a bloated interface.
Categories
Pick a category and jump straight to the tool you need.
Cooking
Cooking calculators: temperatures, ratios and substitutions
Oven temperatures and gas marks, pan and recipe scaling, ingredient substitutions, brine, syrup, dough hydration, grain ratios and thawing times.
Tools: 14
Finance
Finance calculators for loans, mortgages, interest, and everyday money checks
Finance calculators for monthly loan payments, mortgages, payoff plans, compound interest, inflation, discounts, VAT, and price checks.
Tools: 41
Health
Health calculators for weight, lab values and training
BMI, calories and macros, eGFR from creatinine, body surface area, dosage by weight, blood pressure, pregnancy, VO2max and caffeine. Not medical advice.
Tools: 40
Nutrition
Nutrition calculators for calories, macros, and meals
Calculate calories, protein, fat, and carbs from ingredients and meals with fast nutrition tools for day-to-day planning.
Tools: 1
Converters
Converters for units, temperature, weight, and cooking measures
Fast converters for length, weight, temperature, cooking measures, and number bases when you need an instant answer.
Tools: 26
Text Tools
Text tools for word count, character count, and quick cleanup
Text tools for word count, character count, reading time, and quick text cleanup or case changes.
Tools: 22
Random Choice
Random Choice tools on UniTools: random picker, random choice generator and more.
Tools: 11
Math & Statistics
Math & Statistics tools on UniTools: scientific calculator, percentage calculator and more.
Tools: 59
Law & Taxes
Law & Taxes tools on UniTools: vacation and sick pay calculation, income tax deductions and more.
Tools: 20
Building & Repair
Building & Repair tools on UniTools: how much wallpaper and flooring, concrete and brick quantities and more.
Tools: 15
Study
Study tools on UniTools: average from a list of grades, grade needed on the final and more.
Tools: 14
Electrical
Electrical tools on UniTools: ohms law and power, cable size and voltage drop and more.
Tools: 15
Home & Utilities
Home & Utilities tools on UniTools: utility bills from meter readings, heating power and more.
Tools: 20
Nature & Weather
Nature and weather calculators
Sunrise and sunset by coordinates, moon phase, length of daylight, wind chill and heat index, and the Beaufort scale.
Tools: 8
Business & Warehouse
Business and warehouse calculators
The full cost of an employee and of a meeting, inventory turnover and safety stock, invoices with VAT, pallet loading and volumetric weight.
Tools: 12
FAQs
What can I solve on UniTools?+
Early high-intent use cases include cooking times, monthly loan payments, BAC estimates, recipe scaling, calories and macros, conversions, and text counts.
Do I need an account to use the tools?+
No. Most tools are usable immediately. An account is mainly for saving, exporting, and reopening results.
Is UniTools mobile-friendly?+
Yes. The site is built mobile-first so quick calculations are easy to run from a phone.
Where should I start?+
If you already know the task, open a tool directly. If not, start from a category such as Cooking, Finance, Health, or Converters.