Kutatua

Solve Something

Numbers are everywhere. But you don’t have to let them slow you down.

We’ve built a modern, mobile-friendly library of calculators that works: fast and always available.

Our tools are organized into clear categories, so you can find what you need in seconds:

➕ Basic & Complex Math

Basic arithmetic, percentages, areas and volumes. Statistics calculators, similarity calculuators, Fibonacci numbers, Mean, Variance, Standard Deviation, Kurtosis, Skewness to Combinatorics calculators.

➕ Financial & Business

Simple interest, compound interest, Trial Balance, Balance Sheet and its companion, the Common Size Balance sheet. M-PESA charges to VAT calculators.

➕ Science & Engineering

Scientific calculator like Power Consumption - Heating Time, Synchrronous motor speed and unit converters.

➕ Health & Fitness

BMI, BMR, body fat percentage, RDEE to the Ebbinghaus Forgetting Curve calculators.

➕ String Manipulators

SpongeBob Text Generators, uppercase/lowercase converters, Base64 encoders, Rot13 string converters to number-to-string converters.

➕ Date & Time

Past and future date calculators.

➕ Passwords & Entropy

Password strength, time-to-crack calculators and password generators.

Cosine Similarity calculator.

60 calculations

Password - Time To Crack calculator.

60 calculations

PAYE (2022) calculator.

59 calculations

Cosine Similarity (Vector Method) calculator.

54 calculations

Tanimoto Coefficient Similarity calculator.

50 calculations

PAYE (2021) calculator.

50 calculations

Compound Interest calculator.

50 calculations

Fibonacci Number calculator.

49 calculations

Jaccard Index, Jaccard Distance, Jaccard Similarity, Dice Coefficient calculator.

49 calculations

PAYE (2019) calculator.

48 calculations

Ebbinghaus Forgetting Curve calculator.

48 calculations

Basal Metabolic Rate (BMR) calculator.

48 calculations

Password Strength calculator.

48 calculations

PAYE (2020) calculator.

47 calculations

Past/Future Date calculator.

46 calculations

PAYE (2023) calculator.

46 calculations

Body Fat Percentage calculator.

46 calculations

Resting Daily Energy Expenditure (RDEE) calculator.

45 calculations

M-PESA Charges (2023) calculator.

45 calculations

Cosine Similarity (Bag of Words) calculator.

45 calculations

A visitor has used the Basic Arithmetic calculator.

#calculator
24 Jul, 8:40 PM
24 Jul, 8:40 PM
20 40 24 Jul

A visitor has used the Past/Future Date calculator.

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24 Jul, 8:29 PM
24 Jul, 8:29 PM
20 29 24 Jul

A visitor has used the Readability (Flesch-Kincaid, Gunning Fog, Coleman Liau, SMOG Index) calculator.

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24 Jul, 8:23 PM
24 Jul, 8:23 PM
20 23 24 Jul

A visitor has used the Fibonacci Number calculator.

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24 Jul, 8:10 PM
24 Jul, 8:10 PM
20 10 24 Jul

A visitor has used the Cosine Similarity (Vector Method) calculator.

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24 Jul, 6:34 PM
24 Jul, 6:34 PM
18 34 24 Jul

A visitor has used the Volume calculator.

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24 Jul, 5:32 PM
24 Jul, 5:32 PM
17 32 24 Jul

A visitor has used the Volume calculator.

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24 Jul, 5:07 PM
24 Jul, 5:07 PM
17 07 24 Jul

A visitor has used the PAYE (2023) calculator.

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24 Jul, 11:38 AM
24 Jul, 11:38 AM
11 38 24 Jul

A visitor has used the Feet Converter calculator.

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24 Jul, 11:29 AM
24 Jul, 11:29 AM
11 29 24 Jul

A visitor has used the Geodesic Planar, Surface Area & Centerpoints calculator.

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24 Jul, 10:06 AM
24 Jul, 10:06 AM
10 06 24 Jul

A visitor has used the Basal Metabolic Rate (BMR) calculator.

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24 Jul, 10:00 AM
24 Jul, 10:00 AM
10 00 24 Jul

A visitor has used the Readability (Flesch-Kincaid, Gunning Fog, Coleman Liau, SMOG Index) calculator.

#calculator
24 Jul, 5:55 AM
24 Jul, 5:55 AM
05 55 24 Jul

A visitor has used the Inches Converter calculator.

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24 Jul, 5:54 AM
24 Jul, 5:54 AM
05 54 24 Jul

A visitor has used the Centimeters Converter calculator.

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24 Jul, 5:54 AM
24 Jul, 5:54 AM
05 54 24 Jul

A visitor has used the Kilograms Converter calculator.

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24 Jul, 5:54 AM
24 Jul, 5:54 AM
05 54 24 Jul

A visitor has used the Binomial Distribution, Mean, Standard Deviation, Variance, Skewness, Kurtosis calculator.

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24 Jul, 5:54 AM
24 Jul, 5:54 AM
05 54 24 Jul

A visitor has used the BMI calculator.

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24 Jul, 5:54 AM
24 Jul, 5:54 AM
05 54 24 Jul

A visitor has used the Fibonacci Sequence calculator.

#calculator
24 Jul, 5:54 AM
24 Jul, 5:54 AM
05 54 24 Jul

A visitor has used the Cosine Similarity (Bag of Words) calculator.

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24 Jul, 5:54 AM
24 Jul, 5:54 AM
05 54 24 Jul

A visitor has used the Permutations calculator.

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24 Jul, 5:54 AM
24 Jul, 5:54 AM
05 54 24 Jul

A visitor has used the Volume calculator.

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24 Jul, 5:54 AM
24 Jul, 5:54 AM
05 54 24 Jul

A visitor has used the Basic Arithmetic calculator.

#calculator
24 Jul, 5:54 AM
24 Jul, 5:54 AM
05 54 24 Jul

A visitor has used the PAYE (2020) calculator.

#calculator
24 Jul, 5:54 AM
24 Jul, 5:54 AM
05 54 24 Jul

A visitor has used the Balance Sheet calculator.

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24 Jul, 5:54 AM
24 Jul, 5:54 AM
05 54 24 Jul

A visitor has used the Simple Interest calculator.

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24 Jul, 5:54 AM
24 Jul, 5:54 AM
05 54 24 Jul

A visitor has used the M-PESA Charges calculator.

#calculator
24 Jul, 5:54 AM
24 Jul, 5:54 AM
05 54 24 Jul

A visitor has used the M-PESA Charges (2023) calculator.

#calculator
24 Jul, 5:54 AM
24 Jul, 5:54 AM
05 54 24 Jul

A visitor has used the PAYE (2020) calculator.

#calculator
24 Jul, 2:12 AM
24 Jul, 2:12 AM
02 12 24 Jul

A visitor has used the Resting Daily Energy Expenditure (RDEE) calculator.

#calculator
24 Jul, 1:10 AM
24 Jul, 1:10 AM
01 10 24 Jul

A visitor has used the Jaccard Index, Jaccard Distance, Jaccard Similarity, Dice Coefficient calculator.

#calculator
24 Jul, 1:00 AM
24 Jul, 1:00 AM
01 00 24 Jul

  United States

825 calculations

  Japan

471 calculations

Anonymous Location

164 calculations

  Canada

157 calculations

  China

155 calculations

  United Kingdom

68 calculations

  France

60 calculations

  Europe

47 calculations

  Germany

44 calculations

  Kenya

30 calculations

  Ukraine

30 calculations

  Brazil

27 calculations

  Vietnam

25 calculations

  Netherlands

19 calculations

  Mexico

19 calculations

  Greece

15 calculations

  India

14 calculations

  Australia

13 calculations

  Colombia

13 calculations

  Iran, Islamic Republic of

13 calculations