Calculators
500 tools. Search by name or wetin you wan do.
Calculators
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Normal calculatorNewMath and timeNa real pocket keypad wey get exact decimal arithmetic, contextual percentages, memory and calculation history.Science calculatorNewMath and timeWork out expressions with brackets, powers, roots and trigonometry. You fit choose degrees or radians and see your calculation history.Calculator for percentagesMath and timeFind percentage of an amount, or wetin remain after you increase or reduce am by a percentage.Calculator for loan repaymentFinanceEstimate monthly loan payments, all the interest and total money wey you go repay at once.Calculator for mortgage repaymentFinanceEstimate mortgage payment from house price, deposit, interest rate and how long the loan go last.Calculator for BMIHealthTake height and weight work out body mass index; see standard adult categories, BMI Prime and healthy-weight range for your height.Calculator for ageMath and timeCheck age for completed years, months and days, total days person don live, and days wey remain before the next birthday.Tool to convert length unitsConvertersChange length between metres, kilometres, centimetres, millimetres, inches, feet and miles, with all the units side by side.Calculator for discountBusinessWork out the final price and all the savings after percentage and fixed discounts.Calculator for tipBusinessAdd the tip percentage wey you choose, then split restaurant bill.Calculator for compound interestFinanceProject how initial balance and recurring monthly contributions fit grow over time.Calculator for difference between datesMath and timeCalendar gap between two dates for days, weeks and years-months-days.
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- Normal calculator
- Science calculator
- Calculator for percentages
- Calculator for loan repayment
- Calculator for mortgage repayment
- Calculator for BMI
- Calculator for age
- Tool to convert length units
- Calculator for discount
- Calculator for tip
- Calculator for compound interest
- Calculator for difference between dates
- Calculator for BMR
- Calculator for TDEE
- Calculator for calories wey exercise burn
- Converter for currencies
- Converter for temperature
- Converter for weight units
- Converter for area units
- Converter for volume units
- Calculator for fuel cost
- Calculator for Fuel Use
- Calculator for sales tax
- Calculator for gross margin
- Calculator for profit
- Calculator for break-even point
- Calculator for savings target
- Calculator for clearing credit card debt
- Calculator for early loan repayment
- Calculator for refinancing
- Calculator for renting or buying home
- Calculator for fractions
- Calculator for Mean, Median and Mode
- Calculator for Standard Deviation
- Calculator for Quadratic Equation
- Calculator for Right-Angled Triangle
- Calculator for circle
- Calculator for GPA
- Calculator for workdays
- Calculator for pace
- Calculator for concrete quantity
- Calculator for paint quantity
- Calculator for electricity cost
- Seller Profit and Advert Budget
- Real hourly rate for freelance work
- When Plans Clash
- One Resource Wey Fit Disrupt Other Parts of Life
- Future Money and Time Wey You Don Commit
- Calculator for yearly compounded return
- Calculator for APR
- Debt to Income Calculator
- How long emergency fund fit last
- Calculator for Future Value
- Calculator for Inflation
- Calculator for Present Value
- Calculator for retirement savings
- Calculator for Simple Interest
- Calculator for Markup
- Calculator for Salary After Deductions
- Power to Set Price
- Profit loss when customers return products
- Calculator for ROI
- Reference for blood-pressure categories
- Calculator for body fat
- Calculator for ideal-weight reference
- Calculator for Pregnancy Due Date
- Sleep Hours Wey Short
- Calculator for Water wey You Dey Drink
- Converter for data storage units
- Tool to convert speed units
- Calculator for UTC Time Offsets
- Digital Clutter Cost
- Picture of how habit fit grow
- Lifetime Budget for Pet
- Calculator for square area
- Cost of subscriptions wey you no use
- Calculator for countdown
- Calculator for Linear Equation
- Meeting Cost
- Calculator for System of Equations
- Triangle Area Calculator
- Variance Calculator
- AI Carbon Estimate
- AI Inference Cost
- Savings from AI Workflow
- Score for how task fit automation
- Creator Content ROI
- Learning ROI
- Savings from Remote Work
- Cost to return to office work
- Side Hustle Break-Even Point
- Quote for creator sponsorship
- Calculator for how speed dey change
- Calculator for Molar Mass
- Calculator for Ohm's Law
- Calculator for pH
- Calculator for average speed
- Change Pressure Units
- Change Energy Units
- Change Power Units
- Change Force Units
- Angle converter
- Change Frequency Units
- Change Electric Charge Units
- Change Voltage Units
- Change Electric Current Units
- Change Resistance Units
- Change unit for capacitance
- Change Inductance Units
- Change Density Units
- Change Volume Flow Units
- Change Torque Units
- Acceleration converter
- Change Dynamic Viscosity Units
- Change Kinematic Viscosity Units
- Change Heat Conductivity Units
- Change Heat Flux Units
- Change Illuminance Units
- Change Radioactivity Units
- Absorbed dose converter
- Change Exact Whole-Number Base
- Change Number to Roman Numeral
- Time to Download File
- Size of Video File
- Size of audio file
- Image Size before Compression
- Width compared with height
- Pixels for Each Inch of Screen
- Size of Printed Photo
- CSS Clamp for Flexible Font Size
- Subnet for IPv4 Network
- Share IPv4 Network with VLSM
- Count Subnets for IPv6
- Storage Capacity for RAID
- How Long Storage Fit Retain Data
- Bandwidth to finish backup on time
- Entropy for Random Password Generation
- Model for Random Search Time
- Chance of Hash Collision
- Downtime Allowed by SLA Target
- How available di components dey
- Time Budget for Stages Wey Follow Each Other
- Capacity with Little Law
- Cost to Host Servers
- Cloud storage and request costs
- Budget for context tokens
- How fast API fit process requests
- Effective Rate for One Year
- Stated Nominal Interest Rate
- Growth with continuous compounding
- Present value of equal regular payments
- Future value of equal regular deposits
- Present Value for Growing Annuity
- Present Value for Payments Wey No End
- Present Value for Growing Payments Wey No End
- Net Value Today for Cash Flows
- Internal Return Rate for Investment
- Modified Internal Return Rate
- Time to Recover Investment After Discounting
- Index for Investment Profitability
- Cost Converted to Equal Yearly Amount
- Price of fixed-coupon bond
- Bond yield if you hold reach maturity
- Bond Current Income Yield
- Duration for bond cash flows
- Convexity for bond price
- Share Value from Growing Dividends
- Income Yield from Dividends
- Earnings for Each Share
- Share Price Compared to Earnings
- Share Price Compared to Book Value
- CAPM for asset return
- Weighted Cost of Debt and Equity Capital
- Expected Return for Portfolio
- Volatility for Portfolio with Two Assets
- Excess Return to Total Volatility Ratio
- Excess Return to Downside Deviation Ratio
- Excess Return to Market Beta Ratio
- Active Return to Tracking Error Ratio
- Biggest Fall from Previous Peak
- Average price wey you buy
- Estimate tax on capital gain
- Investment Return after Inflation
- Quick Doubling Rule with 72
- Time to Reach Investment Target
- How Long Savings Last with Withdrawals
- Estimate Payment for Vehicle Lease
- Loan payments with final balloon balance
- Loan Wey You Pay Only Interest First
- Loan Balance Wey Still Remain
- Loan amount from payment
- Loan Duration from Payment
- Flat Interest Compared to Reducing Balance
- Debt Snowball Compared to Avalanche
- How long cash conversion take
- Current Assets to Liabilities Ratio
- Liquid Assets to Current Liabilities Ratio
- How Fast Inventory Turn Over
- How Fast Receivables Turn Over
- How Fast Trade Payables Turn Over
- Capital for Short-Term Operations
- How Operating Profit Respond to Sales
- Order Quantity Wey Minimize Costs
- Stock Level Wey Trigger New Order
- Extra Stock to Cover Demand Changes
- Value Throughout Customer Lifetime
- Cost to Get New Customer
- Rate of Customers Wey Leave
- Recurring Revenue Wey Existing Customers Retain
- Revenue Compared to Advertising Cost
- Margin after variable costs
- Selling Price for Target Margin
- Waist Compared to Height
- Waist Compared to Hip
- Area of body surface
- Index for Fat-Free Body Mass
- Index for Body Fat Mass
- Target from Heart-Rate Reserve
- Heart Rate as Share of Maximum
- Estimate Maximum Weight for One Repetition
- Load for One Training Session
- How to load barbell plates
- Lifted Load Compared to Body Mass
- Estimate Finish Time for Another Race Distance
- Running Splits with Equal Pace
- Intervals of Running and Walking
- Pace for Swimming
- Cycling Power Compared to Body Mass
- Bicycle Gear and Road Speed
- Running Steps and Length for Each Step
- Jump Height from Time in Air
- How Similar Daily Training Loads Be for One Week
- Estimate Sweat Rate during Exercise
- Energy from Main Food Nutrients
- Energy for Each Mass of Food
- Alcohol content in grams
- Share of Bed Time Wey Person Sleep
- Number of Tiles Wey You Need
- How many bricks you need
- Rolls of Wallpaper
- Packs of Flooring Material
- Roll length for carpet
- Quantity of Grout for Tile Joints
- Base Layer of Compacted Gravel
- Bags of Mulch Material
- Positions for Wall Studs
- How much asphalt you need
- Roof Slope and Sloping Area
- Plan Stair Geometry
- Slope of Ramp
- Count Fence Posts
- Arrange Decking Boards
- Board feet for timber
- Pieces Wey You Fit Cut from One Length
- Liquid inside Horizontal Round Tank
- Space inside Swimming Pool
- Collect Rainwater from Roof
- Time to Run Irrigation
- Quantity of Grass Seed
- Fertilizer for Nitrogen Target Wey You Choose
- Light Output for Room Lighting
- Air changes per hour
- Estimate Solar Energy Production
- Time for Insulation Savings to Cover Cost
- When new appliance fit recover im cost
- Electric Car Compared to Fuel Energy Cost
- Travel Time including Stops
- Budget for Group Trip
- Share Bill with Different Weights
- Change Recipe Portion Size
- Water-to-coffee ratio for brewing
- Water-to-flour ratio for baking
- Rectangle Area and Corner-to-Corner Length
- Calculate Parallelogram
- Area inside Trapezoid
- Rhombus Area from Diagonals
- Distance from Point to Line
- Ellipse Area and Distance Round Am
- Sector Cut from Circle
- Segment inside circle
- Area for circular ring
- Polygon with Equal Sides and Angles
- Polygon Area from Vertex Coordinates
- Heron Formula for Triangle Area
- Sine Law for Triangle
- Cosine Law for Triangle
- Centre of Triangle from Vertices
- Equation for circle
- Tangent Length from Point to Circle
- Chord length from distance to centre
- Centre angle from arc length
- Height of Minor Circular Arc above Chord
- Cube Volume and Outside Area
- Rectangular Box Calculator
- Sphere Volume and Outside Area
- Cylinder Volume and Outside Area
- Volume and surface for cone
- Cone wey dem cut di top off
- Right Pyramid with Rectangular Base
- Straight Prism Volume and Area
- Ring Torus Volume and Outside Area
- Space inside Ellipsoid
- Volume and surface for capsule shape
- Half-Sphere Calculator
- Sine, Cosine and Tangent for Angle
- Hyperbolic Sine, Cosine and Tangent
- Triangle Angles from Side Lengths
- Find Eigenvalues for 2 × 2 Matrix
- Find Rank for 2 × 2 Matrix
- Estimate Value between Two Known Points
- Quadratic Estimate through Three Points
- Derivative of Polynomial
- Polynomial Integral between Two Limits
- Reduce Ratio to Smallest Terms
- Solve Missing Term for Proportion
- Measurement Error as Percentage
- Symmetric Difference as Percentage
- Change Decimal to Fraction
- Change Mixed Number to One Fraction
- Whole-Number Division with Remainder
- Whole-Number Arithmetic with Modulus
- Biggest Factor Wey Numbers Share
- Smallest Multiple Wey Numbers Share
- Break Whole Number into Prime Factors
- Check Whether Number Prime
- Find Square Root
- Find Cube Root
- Find Root of Degree n
- Raise Number to Power
- Find Logarithm
- Write Number in Scientific Form
- Round Number to Chosen Places
- Round Number by Significant Figures
- Absolute value
- Slope for Line between Two Points
- Straight Line through Two Points
- Find Middle Point
- Distance between Two Points
- Point Wey Divide Segment from Inside
- Line Wey Cut Segment at Right Angle through Middle
- Discriminant for Quadratic Equation
- How to complete di square
- Real Roots for Cubic Equation
- Arithmetic number sequence
- Sequence with Common Multiplication Ratio
- Find Fibonacci Number
- Add Consecutive Whole Numbers
- Add Squares of Consecutive Whole Numbers
- Add Cubes of Consecutive Whole Numbers
- Coefficients for binomial expansion
- Turning Point for Quadratic Curve
- Find Determinant for 2 × 2 Matrix
- Find Inverse for 2 × 2 Matrix
- Multiply 2 × 2 Matrices
- Arithmetic with complex numbers
- Change Cartesian Point to Polar Coordinates
- Dot Product of Two Vectors
- Cross Product of Two Vectors
- Vector Length and Unit Direction
- Angle between vectors
- DC electric power
- Resistance for Series Connection
- Resistance for Parallel Connection
- Voltage across Part of Divider
- Share Current for Parallel Resistors
- Energy inside capacitor
- Capacitance for Series Connection
- Capacitance for Parallel Connection
- Time Constant for RC Circuit
- Time Constant for RL Circuit
- Resonance Frequency for LC Circuit
- Reactance for Ideal Inductor
- Reactance for capacitor
- AC series impedance
- Electric Charge from Current over Time
- Force between electric charges
- Electric Field from Point Charge
- Magnetic Force on Moving Charge
- Ratio for Ideal Transformer
- How long battery fit last
- Speed of Wave
- Frequency Wey Doppler Effect Produce
- Sound Level from Intensity
- Decibel level after combining sources
- Image from Thin Lens
- Refraction Angle with Snell Law
- Critical Angle for Light
- Energy of One Photon
- De Broglie Matter Wavelength
- Angle for Diffraction Grating
- Density from Mass and Space
- Pressure from Force over Area
- Pressure inside Fluid at Rest
- Force wey fluid use push object up
- Volume Flow for Each Unit of Time
- Speed of Flow inside Pipe
- Continuity for fluid flow
- Pressure change with Bernoulli model
- Ratio of Inertia to Viscous Effects
- Laminar Flow inside Pipe
- Force Wey Resist Movement through Fluid
- Flow Speed Compared to Sound Speed
- Heat Energy for Temperature Change
- Length Change from Heat
- Pressure for Ideal Gas
- Gas law wey combine pressure, volume and temperature
- Steady Heat Conduction
- Heat transfer by convection
- Heat Transfer by Radiation
- Efficiency limit for Carnot engine
- Final Balance Temperature of Mixture
- Heat for Change of Phase
- Density for Ideal Gas
- Thermal Resistance for Material Layers
- Volume for Each Mole of Ideal Gas
- Force from Mass and Change of Velocity
- Weight under Chosen Gravity
- Momentum along One Line
- Impulse from Force over Time
- Energy from Body Movement
- Energy from Position in Gravity
- Work Wey Constant Force Do
- Power from Mechanical Work
- Force Wey Turn Object round Axis
- Balance Forces on Lever
- Spring Restoring Force with Hooke Law
- Elastic Energy inside Spring
- Force from Friction
- Force toward di centre
- How fast rotation dey turn
- Angular acceleration
- Energy from Rotating Movement
- Rotational Inertia of Solid Disk
- Horizontal Range for Projectile
- Free Fall Wey Start from Rest
- Speed to Escape Gravity
- Gravitational Attraction between Masses
- Time for One Pendulum Swing Cycle
- Time for One Spring Oscillation
- Elastic Collision along One Line
- Average with Chosen Weights
- Average for Multiplicative Values
- Harmonic Average
- Square Root of Average Squares
- Statistical range of di data
- Quartiles for Data Set
- Value for Chosen Percentile
- Rank as Percentile
- Interquartile Range and Values Wey Far Outside
- Z-Score
- Variation compared with di mean
- Standard Error for Estimated Mean
- Confidence Range for Mean
- Wilson Confidence Range for Proportion
- Sample Count for Estimating Mean
- Sample Count for Estimating Proportion
- Error Margin for Proportion
- t Test for One Sample
- Welch t Test for Two Samples
- t Test for Paired Measurements
- Chi-square test for 2 × 2 table
- How well counts fit: chi-square
- Correlation with Pearson Method
- Fit Straight-Line Regression
- R-Squared and Error of Predictions
- Bayes rule
- Chance when a condition happen
- Chance of Either Event Happening
- Chance for Independent Events
- Chance for binomial outcome
- Cumulative binomial chance
- Chance of Exact Poisson Event Count
- Cumulative Chance for Poisson Events
- Cumulative Chance for Normal Distribution
- Value for Normal-Distribution Percentile
- Exponential Model for Waiting Time
- Chance inside Uniform-Distribution Interval
- First Success for Geometric Model
- Trials for Negative Binomial Model
- Hypergeometric Chance of Success
- Chance of birthday match
- Count Ordered Arrangements
- Selections wey order no matter
- Find Factorial
- Expected Outcome Value and Risk
- Population Variance with Weights
- Adjusted Measure of Sample Skewness
- Unbiased Measure of Excess Kurtosis
- Cohen’s d plus Hedges’ g
- Ratio of Event Odds
- Ratio and Difference of Event Risks
- A/B proportion test
- Exact Confidence Range for Binomial Proportion
- Confidence interval for correlation
- Uncertainty with Shannon Entropy
- Diversity Index with Shannon Method
- Diversity Index with Simpson Method
- Average Absolute Distance from Mean
- Median of Absolute Deviations
- Chebyshev bound for probability