CrunchSheet
The everything calculator. Pick one below, type your numbers, and the answer updates as you go. No sign-ups. No spreadsheets. Just answers.
Browse by category
Construction
Building, materials, and trade calculators
4 calculators
Estimating
Estimate materials and quantities before you buy
10 calculators
DIY
Handy tools for home improvement projects
3 calculators
Finance
Money, tax, loans, and budgeting calculators
2 calculators
Accounting
Tax and accounting number crunching
17 calculators
Maths
Numbers, percentages, and arithmetic calculators
2 calculators
Everyday
General-purpose calculators for everyday life
3 calculators
Health
Body, wellness, and medical calculators
3 calculators
Wellness
Health, fitness, and wellbeing calculators
5 calculators
Family
Parenting, pregnancy, and childcare calculators
1 calculator
Home
Household, energy, and property calculators
1 calculator
Travel
Driving, trips, and journey calculators
1 calculator
Time
Date, time, and scheduling calculators
10 calculators
Employment
Work, pay, and timesheet calculators
7 calculators
Conversion
Convert between units of measurement
12 calculators
Fitness
Exercise, sport, and training calculators
1 calculator
Education
Study, learning, and reading calculators
1 calculator
Food
Cooking, baking, and recipe calculators
1 calculator
Science
Physics, chemistry, and engineering calculators
1 calculator
Converters
Unit conversion calculators
10 calculators
Popular calculators
VAT Calculator
Add or remove VAT from any amount at standard, reduced, or custom rates.
Percentage Calculator
Find X% of Y, what percentage X is of Y, or percentage change.
Tip Calculator
Calculate tips and split the bill between people.
Loan Calculator
Calculate monthly repayments, total interest, and total cost for any loan.
BMI Calculator
Calculate your Body Mass Index from height and weight.
Recently added
Recipe Scaler
Scale any recipe up or down by adjusting the number of servings.
Dilution Calculator
Calculate dilution ratios using C1V1 = C2V2 for cleaning, gardening, and lab solutions.
Time Between Dates
Calculate the exact time between any two dates in years, months, weeks, and days.
Days Until Calculator
Count down the days, weeks, and months until any future date.
Time Duration Calculator
Calculate the duration between two clock times in hours and minutes.
Hours Calculator
Add and subtract hours and minutes to get a total duration.