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 (Vector Method).

435 calculations

Password - Time To Crack.

233 calculations

Past/Future Date.

200 calculations

Password Strength.

199 calculations

Resting Daily Energy Expenditure (RDEE).

198 calculations

PAYE (2021).

190 calculations

VAT (Kenya).

188 calculations

Number-to-String.

187 calculations

Body Fat Percentage.

186 calculations

Meters Converter.

186 calculations

Cosine Similarity (Bag of Words).

186 calculations

PAYE (2020).

184 calculations

Fibonacci Number.

183 calculations

PAYE (2023).

181 calculations

Ebbinghaus Forgetting Curve.

174 calculations

PAYE (2022).

174 calculations

Pounds (lb) Converter.

173 calculations

BMI.

172 calculations

Simhash Similarity.

172 calculations

Fibonacci Sequence.

170 calculations

A visitor has used Ebbinghaus Forgetting Curve.

#calculator
28 Sep, 12:38 AM
28 Sep, 12:38 AM
00 38 28 Sep

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

#calculator
28 Sep, 12:28 AM
28 Sep, 12:28 AM
00 28 28 Sep

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

#calculator
28 Sep, 12:18 AM
28 Sep, 12:18 AM
00 18 28 Sep

A visitor has used Ebbinghaus Forgetting Curve.

#calculator
27 Sep, 11:41 PM
27 Sep, 11:41 PM
23 41 27 Sep

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

#calculator
27 Sep, 11:29 PM
27 Sep, 11:29 PM
23 29 27 Sep

A visitor has used Simple Interest.

#calculator
27 Sep, 11:19 PM
27 Sep, 11:19 PM
23 19 27 Sep

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

#calculator
27 Sep, 10:58 PM
27 Sep, 10:58 PM
22 58 27 Sep

A visitor has used Compound Interest.

#calculator
27 Sep, 10:49 PM
27 Sep, 10:49 PM
22 49 27 Sep

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

#calculator
27 Sep, 10:45 PM
27 Sep, 10:45 PM
22 45 27 Sep

A visitor has used Simple Interest.

#calculator
27 Sep, 10:29 PM
27 Sep, 10:29 PM
22 29 27 Sep

A visitor has used Rot13.

#calculator
27 Sep, 10:13 PM
27 Sep, 10:13 PM
22 13 27 Sep

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

#calculator
27 Sep, 10:13 PM
27 Sep, 10:13 PM
22 13 27 Sep

A visitor has used Basic Arithmetic.

#calculator
27 Sep, 10:13 PM
27 Sep, 10:13 PM
22 13 27 Sep

A visitor has used Basal Metabolic Rate (BMR).

#calculator
27 Sep, 10:02 PM
27 Sep, 10:02 PM
22 02 27 Sep

A visitor has used Synchronous Motor Speed.

#calculator
27 Sep, 10:01 PM
27 Sep, 10:01 PM
22 01 27 Sep

A visitor has used PAYE (2023).

#calculator
27 Sep, 9:48 PM
27 Sep, 9:48 PM
21 48 27 Sep

A visitor has used Power Consumption - Heating Time.

#calculator
27 Sep, 9:38 PM
27 Sep, 9:38 PM
21 38 27 Sep

A visitor has used M-PESA Charges.

#calculator
27 Sep, 9:33 PM
27 Sep, 9:33 PM
21 33 27 Sep

A visitor has used Simple Interest.

#calculator
27 Sep, 9:28 PM
27 Sep, 9:28 PM
21 28 27 Sep

A visitor has used Synchronous Motor Speed.

#calculator
27 Sep, 8:59 PM
27 Sep, 8:59 PM
20 59 27 Sep

A visitor has used PAYE (2023).

#calculator
27 Sep, 8:49 PM
27 Sep, 8:49 PM
20 49 27 Sep

A visitor has used VAT (Kenya).

#calculator
27 Sep, 8:38 PM
27 Sep, 8:38 PM
20 38 27 Sep

A visitor has used Areas.

#calculator
27 Sep, 8:18 PM
27 Sep, 8:18 PM
20 18 27 Sep

A visitor has used BMI.

#calculator
27 Sep, 8:05 PM
27 Sep, 8:05 PM
20 05 27 Sep

A visitor has used Synchronous Motor Speed.

#calculator
27 Sep, 7:49 PM
27 Sep, 7:49 PM
19 49 27 Sep

A visitor has used Inches Converter.

#calculator
27 Sep, 6:56 PM
27 Sep, 6:56 PM
18 56 27 Sep

A visitor has used Inches Converter.

#calculator
27 Sep, 6:49 PM
27 Sep, 6:49 PM
18 49 27 Sep

A visitor has used Inches Converter.

#calculator
27 Sep, 6:45 PM
27 Sep, 6:45 PM
18 45 27 Sep

A visitor has used Base64 Encode.

#calculator
27 Sep, 6:21 PM
27 Sep, 6:21 PM
18 21 27 Sep

A visitor has used Number-to-String.

#calculator
27 Sep, 6:14 PM
27 Sep, 6:14 PM
18 14 27 Sep

  United States

3504 calculations

  Japan

1321 calculations

Anonymous Location

758 calculations

  Canada

599 calculations

  China

573 calculations

  United Kingdom

461 calculations

  Germany

275 calculations

  France

232 calculations

  Brazil

150 calculations

  Sweden

92 calculations

  Bulgaria

79 calculations

  Iran, Islamic Republic of

78 calculations

  Europe

66 calculations

  India

63 calculations

  Turkey

63 calculations

  Vietnam

63 calculations

  Kenya

62 calculations

  Romania

59 calculations

  Argentina

57 calculations

  Mexico

57 calculations