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.

Password - Time To Crack calculator.

60 calculations

Cosine Similarity calculator.

60 calculations

PAYE (2022) calculator.

59 calculations

Cosine Similarity (Vector Method) calculator.

53 calculations

Compound Interest calculator.

50 calculations

Tanimoto Coefficient Similarity calculator.

50 calculations

PAYE (2021) calculator.

50 calculations

Ebbinghaus Forgetting Curve calculator.

48 calculations

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

48 calculations

PAYE (2019) calculator.

48 calculations

Fibonacci Number calculator.

48 calculations

Password Strength calculator.

48 calculations

Basal Metabolic Rate (BMR) calculator.

47 calculations

Body Fat Percentage calculator.

46 calculations

PAYE (2020) calculator.

45 calculations

PAYE (2023) calculator.

45 calculations

Past/Future Date calculator.

45 calculations

Cosine Similarity (Bag of Words) calculator.

44 calculations

M-PESA Charges (2023) calculator.

44 calculations

Geodesic Planar, Surface Area & Centerpoints calculator.

43 calculations

A visitor has used the Centimeters Converter calculator.

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23 Jul, 10:44 PM
23 Jul, 10:44 PM
22 44 23 Jul

A visitor has used the Volume calculator.

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23 Jul, 5:31 PM
23 Jul, 5:31 PM
17 31 23 Jul

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

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23 Jul, 3:33 PM
23 Jul, 3:33 PM
15 33 23 Jul

A visitor has used the VAT (Nigeria) calculator.

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23 Jul, 1:57 PM
23 Jul, 1:57 PM
13 57 23 Jul

A visitor has used the BMI calculator.

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23 Jul, 1:04 PM
23 Jul, 1:04 PM
13 04 23 Jul

A visitor has used the PAYE (2020) calculator.

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23 Jul, 1:04 PM
23 Jul, 1:04 PM
13 04 23 Jul

A visitor has used the PAYE (2019) calculator.

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23 Jul, 11:39 AM
23 Jul, 11:39 AM
11 39 23 Jul

A visitor has used the PAYE (2019) calculator.

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23 Jul, 11:37 AM
23 Jul, 11:37 AM
11 37 23 Jul

A visitor has used the PAYE (2022) calculator.

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23 Jul, 11:27 AM
23 Jul, 11:27 AM
11 27 23 Jul

A visitor has used the PAYE (2022) calculator.

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23 Jul, 11:20 AM
23 Jul, 11:20 AM
11 20 23 Jul

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

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23 Jul, 10:42 AM
23 Jul, 10:42 AM
10 42 23 Jul

A visitor has used the Acreage calculator.

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23 Jul, 10:40 AM
23 Jul, 10:40 AM
10 40 23 Jul

A visitor has used the Simhash Similarity calculator.

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23 Jul, 10:27 AM
23 Jul, 10:27 AM
10 27 23 Jul

A visitor has used the Centimeters Converter calculator.

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23 Jul, 9:53 AM
23 Jul, 9:53 AM
09 53 23 Jul

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

#calculator
23 Jul, 9:53 AM
23 Jul, 9:53 AM
09 53 23 Jul

A visitor has used the Trial Balance calculator.

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23 Jul, 8:54 AM
23 Jul, 8:54 AM
08 54 23 Jul

A visitor has used the VAT (South Africa) calculator.

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23 Jul, 8:03 AM
23 Jul, 8:03 AM
08 03 23 Jul

A visitor has used the Pixels Converter calculator.

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23 Jul, 7:50 AM
23 Jul, 7:50 AM
07 50 23 Jul

A visitor has used the VAT (Kenya) calculator.

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23 Jul, 7:34 AM
23 Jul, 7:34 AM
07 34 23 Jul

A visitor has used the BMI calculator.

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23 Jul, 7:21 AM
23 Jul, 7:21 AM
07 21 23 Jul

A visitor has used the M-PESA Charges calculator.

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23 Jul, 6:41 AM
23 Jul, 6:41 AM
06 41 23 Jul

A visitor has used the Pixels Converter calculator.

#calculator
23 Jul, 6:28 AM
23 Jul, 6:28 AM
06 28 23 Jul

A visitor has used the Simhash Similarity calculator.

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23 Jul, 6:06 AM
23 Jul, 6:06 AM
06 06 23 Jul

A visitor has used the Rot13 calculator.

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23 Jul, 6:06 AM
23 Jul, 6:06 AM
06 06 23 Jul

A visitor has used the Tanimoto Coefficient Similarity calculator.

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23 Jul, 5:36 AM
23 Jul, 5:36 AM
05 36 23 Jul

A visitor has used the Compound Interest calculator.

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23 Jul, 5:05 AM
23 Jul, 5:05 AM
05 05 23 Jul

A visitor has used the VAT (Nigeria) calculator.

#calculator
23 Jul, 4:54 AM
23 Jul, 4:54 AM
04 54 23 Jul

A visitor has used the PAYE (2022) calculator.

#calculator
23 Jul, 4:32 AM
23 Jul, 4:32 AM
04 32 23 Jul

A visitor has used the Centimeters Converter calculator.

#calculator
23 Jul, 4:31 AM
23 Jul, 4:31 AM
04 31 23 Jul

A visitor has used the VAT (Nigeria) calculator.

#calculator
23 Jul, 4:16 AM
23 Jul, 4:16 AM
04 16 23 Jul

  United States

818 calculations

  Japan

468 calculations

  Canada

156 calculations

  China

154 calculations

Anonymous Location

148 calculations

  United Kingdom

68 calculations

  France

59 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

  Iran, Islamic Republic of

13 calculations

  Australia

13 calculations

  Colombia

13 calculations