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.

Compound Interest calculator.

17 calculations

Geodesic Planar, Surface Area & Centerpoints calculator.

13 calculations

PAYE (2021) calculator.

15 calculations

Past/Future Date calculator.

12 calculations

Mean, Variance, Standard Deviation, Kurtosis, Skewness calculator.

9 calculations

Base64 Encode calculator.

11 calculations

Megabytes Converter calculator.

16 calculations

Pixels Converter calculator.

14 calculations

Cosine Similarity (Bag of Words) calculator.

16 calculations

PAYE (2020) calculator.

18 calculations

Ebbinghaus Forgetting Curve calculator.

12 calculations

Simhash Similarity calculator.

15 calculations

PAYE (2019) calculator.

18 calculations

Acreage calculator.

9 calculations

VAT (South Africa) calculator.

12 calculations

Simple Interest calculator.

8 calculations

Gigabytes Converter calculator.

14 calculations

VAT (Nigeria) calculator.

12 calculations

Kilograms Converter calculator.

11 calculations

Fibonacci Number calculator.

20 calculations

A visitor has used the Body Fat Percentage calculator.

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17 Jun, 8:39 PM
17 Jun, 8:39 PM
20 39 17 Jun

A visitor has used the Basic Arithmetic calculator.

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17 Jun, 8:23 PM
17 Jun, 8:23 PM
20 23 17 Jun

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

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17 Jun, 8:18 PM
17 Jun, 8:18 PM
20 18 17 Jun

A visitor has used the Meters Converter calculator.

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17 Jun, 8:05 PM
17 Jun, 8:05 PM
20 05 17 Jun

A visitor has used the Rot13 calculator.

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17 Jun, 8:01 PM
17 Jun, 8:01 PM
20 01 17 Jun

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

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17 Jun, 7:28 PM
17 Jun, 7:28 PM
19 28 17 Jun

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

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17 Jun, 7:14 PM
17 Jun, 7:14 PM
19 14 17 Jun

A visitor has used the Pixels Converter calculator.

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17 Jun, 7:10 PM
17 Jun, 7:10 PM
19 10 17 Jun

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

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17 Jun, 7:02 PM
17 Jun, 7:02 PM
19 02 17 Jun

A visitor has used the Percentages calculator.

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17 Jun, 6:54 PM
17 Jun, 6:54 PM
18 54 17 Jun

A visitor has used the Compound Interest calculator.

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17 Jun, 6:53 PM
17 Jun, 6:53 PM
18 53 17 Jun

A visitor has used the Tanimoto Coefficient Similarity calculator.

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17 Jun, 6:33 PM
17 Jun, 6:33 PM
18 33 17 Jun

A visitor has used the PAYE (2020) calculator.

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17 Jun, 6:31 PM
17 Jun, 6:31 PM
18 31 17 Jun

A visitor has used the Megabytes Converter calculator.

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17 Jun, 6:27 PM
17 Jun, 6:27 PM
18 27 17 Jun

A visitor has used the Tanimoto Coefficient Similarity calculator.

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17 Jun, 5:50 PM
17 Jun, 5:50 PM
17 50 17 Jun

A visitor has used the Tanimoto Coefficient Similarity calculator.

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17 Jun, 5:48 PM
17 Jun, 5:48 PM
17 48 17 Jun

A visitor has used the Simhash Similarity calculator.

#calculator
17 Jun, 5:48 PM
17 Jun, 5:48 PM
17 48 17 Jun

A visitor has used the Simhash Similarity calculator.

#calculator
17 Jun, 5:33 PM
17 Jun, 5:33 PM
17 33 17 Jun

A visitor has used the Temperature Converter calculator.

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17 Jun, 5:11 PM
17 Jun, 5:11 PM
17 11 17 Jun

A visitor has used the Password Strength calculator.

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17 Jun, 4:32 PM
17 Jun, 4:32 PM
16 32 17 Jun

A visitor has used the Areas calculator.

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17 Jun, 4:05 PM
17 Jun, 4:05 PM
16 05 17 Jun

A visitor has used the Number-to-String calculator.

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17 Jun, 3:57 PM
17 Jun, 3:57 PM
15 57 17 Jun

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

#calculator
17 Jun, 3:57 PM
17 Jun, 3:57 PM
15 57 17 Jun

A visitor has used the Synchronous Motor Speed calculator.

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17 Jun, 3:57 PM
17 Jun, 3:57 PM
15 57 17 Jun

A visitor has used the Past/Future Date calculator.

#calculator
17 Jun, 3:57 PM
17 Jun, 3:57 PM
15 57 17 Jun

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

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17 Jun, 3:57 PM
17 Jun, 3:57 PM
15 57 17 Jun

A visitor has used the Rot13 calculator.

#calculator
17 Jun, 3:57 PM
17 Jun, 3:57 PM
15 57 17 Jun

A visitor has used the Base64 Encode calculator.

#calculator
17 Jun, 3:57 PM
17 Jun, 3:57 PM
15 57 17 Jun

A visitor has used the Pixels Converter calculator.

#calculator
17 Jun, 3:57 PM
17 Jun, 3:57 PM
15 57 17 Jun

A visitor has used the Password - Time To Crack calculator.

#calculator
17 Jun, 3:57 PM
17 Jun, 3:57 PM
15 57 17 Jun

  Singapore

2 calculations

  Denmark

2 calculations

  Colombia

4 calculations

  Switzerland

2 calculations

  India

7 calculations

  Norway

3 calculations

  Turkey

4 calculations

  Curacao

1 calculations

  Lithuania

1 calculations

  Russian Federation

6 calculations

  Israel

1 calculations

  Ukraine

1 calculations

  Azerbaijan

1 calculations

  Belarus

1 calculations

  Thailand

1 calculations

  Dominican Republic

1 calculations

  Malaysia

3 calculations

  Italy

1 calculations

  Peru

1 calculations

  Jamaica

1 calculations