Everyday Calculators Made Simple
From splitting a bill to estimating a bag of concrete — fast, accurate calculators for everyday math, dates, cooking, DIY projects, and unit conversion.
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Browse By Category
Five categories, 52 calculators, and growing.
Everyday Math
6 calculators
- Tip Calculator
- Split Bill
- Percentage
Date & Time
14 calculators
- Age
- Date Difference
- Add/Subtract Date
Cooking & Kitchen
4 calculators
- Cups to Grams
- Oven Temp
- Recipe Scaler
Construction & DIY
11 calculators
- Concrete
- Paint
- Mulch
Unit Conversion
4 calculators
- Length
- Weight
- Temperature
Payroll & Work Hours
4 calculators
- Time Card
- Work Hours
- Time and a Half
Health & Fitness
3 calculators
- BMI Calculator
- Sleep Calculator
- Calorie Calculator
Automotive
2 calculators
- Tire Size
- Tire Life
Fun & Novelty
4 calculators
- Love Calculator
- Pizza Calculator
- Dog Years
Popular Calculators
Jump straight into one of our most-used tools
Tip Calculator
Calculate tip amount, total bill, and per-person split.
Date & TimeAge Calculator
Find your exact age in years, months, and days.
Construction & DIYConcrete Calculator
Estimate cubic yards of concrete and bags needed for a slab.
Unit ConversionLength Converter
Convert between inches, feet, yards, miles, and metric lengths.
Everyday MathPercentage Calculator
"X% of Y", percent change, and percent-of calculations.
Cooking & KitchenCups to Grams Calculator
Convert cups to grams (and back) for common baking ingredients.
Why MiniCalci?
A simple approach to everyday calculations
Quick Results
Get calculations instantly without waiting
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Use directly without creating an account
No Ads
Clean interface without advertisements
Always Accurate
Standard, well-established formulas
Common Questions
Quick answers about using the calculators
Is MiniCalci free to use?
What kinds of calculators does MiniCalci offer?
Is my data stored?
Can I use these on mobile?
Do you add new calculators?
Start Calculating
Free tools for everyday math, dates, cooking, DIY projects, and unit conversion.