🧮Calculators
Calculators cover finance, health, math, physics, engineering and everyday life: interest and loans, net salary, BMI, rule of three, conversions and more. Results are informational and educational — for important decisions, confirm with a professional and official sources.
2826 tools
Pentecost Brazil
Computes Pentecost date (50 days after Easter).
Ascension of Jesus Brazil
Computes Ascension date (40 days after Easter).
Christ the King Brazil
Computes Christ the King feast date (last Sunday before Advent).
Tarot Major Card of the Day
Picks one of the 22 Major Arcana cards deterministically by date.
Tarot Spread Card Count
Shows typical card count for each tarot spread method.
Tarot Reading Time
Estimates total tarot session time by number of cards drawn.
Numerology Name Score
Computes destiny number from full name using Pythagorean numerology.
Numerology Birth Date Score
Computes life path number from birth date using numerology.
Numerology Personal Year
Computes personal year number from birth date and target year.
Rising Sign by Time
Estimates rising sign by birth hour (approximation, tropical zodiac).
Vedic Sign
Estimates Vedic moon sign (Rashi) from birth date approximation.
Tibetan Zodiac Sign
Shows Tibetan zodiac animal and element by birth year.
Egyptian Zodiac Sign
Shows Egyptian zodiac sign by birth date (DD/MM).
Celtic Tree Sign
Shows Celtic tree calendar sign by birth date.
Druid Tree by Date
Shows druid tree assigned by birth date (21-tree system).
ETH Staking Rewards
Estimates yearly ETH staking rewards at 3.8% base APR.
BNB Staking Rewards
Estimates yearly BNB staking rewards at 4.5% base APR.
ADA Staking Rewards
Estimates yearly ADA delegation rewards at 4.2% average APR.
DOT Staking Rewards
Estimates yearly DOT staking rewards at 11% average APR.
Solana (SOL) Staking Rewards
Estimate how much you earn per year staking Solana (SOL), at an average APR of about 6.5%. Enter the amount of tokens and see your reward.
ATOM Staking Rewards
Estimates yearly ATOM staking rewards at 14% APR with 5% commission.
DeFi LP Token Amount
Estimates LP tokens received when adding to a 50/50 pool.
DeFi Yield Farming APR
Computes annualized yield from daily rewards and deposit value.
DeFi Lending Yield
Computes lending yield with DeFi utilization rate.
DeFi Borrow LTV
Computes maximum borrow allowed by LTV and current LTV.
Crypto Liquidation Margin
Computes liquidation price for a long position with given leverage.
Crypto Arbitrage Spread
Computes gross arbitrage profit between Binance and Coinbase by spread.
Emergency Fund 3 to 6 Months
Computes recommended emergency fund (3 to 6 months expenses) and monthly saving goal.
Retirement Savings Goal
Find out how much to save each month to reach the amount you want for retirement within a set number of years. Plan your financial independence clearly.
Car Savings Goal Calculator
Calculate how much to set aside each month to buy a car in cash within your chosen time frame. Reach the goal without paying loan interest.
Home Purchase Down Payment
Computes 20% down payment savings plan and SAC monthly installment.
Budget 50 30 20 Rule
Applies 50/30/20 rule to monthly net income.
Monthly Budget Categories
Splits monthly net income into housing, food, transport, leisure, savings.
Home Loan Payoff Time
Estimates months saved by extra payments on home loan.
Car Loan Payoff Time
Estimates months to pay off a car loan with given installment.
Credit Card Payoff Time
Estimates months to pay off credit card revolving debt.
Internet Plan Switch Savings
Shows monthly and yearly savings when switching internet plan.
Phone Plan Savings Calculator
Find out how much you save per month and per year by switching carrier or phone plan. Compare your current bill with the new one and see the difference.
Auto Insurance Switch Savings
Compares current and new insurance and shows yearly savings.
Credit Card Switch Savings
Estimates yearly savings by switching credit card (annuity and cashback).
Income Tax Yearly BR
Computes yearly income tax (BR) using 2024 progressive table.
Income Tax on 13th Salary BR
Calculate the Brazilian income tax withheld on your 13th salary, using the progressive table and dependent deductions. See your net year-end bonus.
Income Tax on Rent Received BR
Calculate the monthly Brazilian income tax on rent you receive (carnê-leão) using the progressive table. Know how much to pay as a landlord.
Income Tax Rent Paid Deduction BR
Estimates IR savings when deducting rent paid (special regimes).
Alimony Income Tax Deduction (BR)
Calculate how much the alimony you pay reduces your Brazilian income tax. Enter the amount paid and your tax bracket to see the savings on your return.
Income Tax Education Deduction BR
Estimates IR savings by deducting education (respecting legal cap).
Income Tax Medical Deduction BR
Estimates IR savings from unlimited medical deductions.
PGBL Tax Deduction (BR)
Calculate how much income tax you save by investing in a PGBL pension plan, deducting up to 12% of gross taxable income. See the tax benefit clearly.
IPVA by Brazilian State
Estimates IPVA from FIPE value and state rate (BR).
Rural Property Tax ITR BR
Estimates rural property tax (ITR) by area, land value and use ratio.
IPTU Residential BR
Computes residential IPTU from city rate and assessed value.
ISS Service Tax BR
Computes ISS withheld on service value (BR municipal).
ICMS by Brazilian State
Computes ICMS on sale using internal rate per state.
Periodization Volume and Intensity
Shows typical volume and intensity by training phase.
Progression 1RM 25 Months Brzycki
Projects 1RM in 25 months using monthly average gains.
Progression Bench Press 32 Months Epley
Projects bench press in 32 months and computes 5RM via Epley.
Weekly Volume per Muscle
Estimates 9-18 weekly sets per muscle by recovery and experience.
Training Frequency per Muscle
Suggests weekly frequency per muscle based on target volume.
Muscle Recovery Time
Estimates muscle recovery hours from volume, intensity and experience.
VO2 Max Goal in Months
Projects VO2 max from current, monthly gain and target months.