All Tools
Search every calculator and utility page on TeachMechanical Tools. Each result links to a dedicated static URL with formula notes, examples, and FAQ content.
Category counts
- Student Calculators
15 tools
- Daily-Life Calculators
22 tools
- Writing and Productivity Tools
11 tools
- US Finance Calculators
153 tools
Filter across all categories with instant client-side search.
- GPA Calculator
Calculate grade point average from total quality points and credits.
Student Calculators
- Cumulative GPA Calculator
Combine previous and current term performance into one cumulative GPA.
Student Calculators
- Semester GPA Calculator
Estimate semester GPA based on quality points and attempted credits.
Student Calculators
- Grade Calculator
Convert earned points into an easy-to-read grade percentage.
Student Calculators
- Final Grade Calculator
Project your final course grade using weighted current and exam scores.
Student Calculators
- Required Final Exam Score Calculator
Find the exam score needed to reach your target course grade.
Student Calculators
- Percentage Calculator
Compute percentage values from part and whole numbers.
Student Calculators
- Percentage Increase/Decrease Calculator
Measure percent increase or decrease between two values.
Student Calculators
- Marks Percentage Calculator
Turn marks obtained and total marks into a percentage.
Student Calculators
- GPA to Percentage Calculator
Convert GPA scores into percentage estimates.
Student Calculators
- Percentage to GPA Calculator
Estimate GPA from percentage using your selected GPA scale.
Student Calculators
- Weighted Grade Calculator
Compute weighted grades from category scores and weights.
Student Calculators
- Attendance Percentage Calculator
Calculate attendance rate from classes attended and total classes.
Student Calculators
- Study Time Calculator
Plan total study hours by subject count, weekly target, and exam timeline.
Student Calculators
- CGPA Calculator
Estimate cumulative CGPA from previous and current term records.
Student Calculators
- Age Calculator
Calculate exact age in years, months, days, and total days.
Daily-Life Calculators
- Date Calculator
Find the difference between two dates in days.
Daily-Life Calculators
- Days Between Dates Calculator
Count days between any two dates with clear sign and absolute difference.
Daily-Life Calculators
- Business Days Calculator
Count weekdays between dates, excluding weekends.
Daily-Life Calculators
- Add/Subtract Days Calculator
Add or subtract day offsets from a base date.
Daily-Life Calculators
Alphabetic browsing
A
B
C
- Cumulative GPA Calculator
- CGPA Calculator
- Countdown Calculator
- Calorie Calculator
- Currency Converter
- Character Counter
- Case Converter
- Credit Card Payoff Calculator
- Compound Interest Calculator
- Closing Costs Calculator
- Cash-Out Refinance Calculator
- Credit Card Interest Calculator
- Credit Card APR Calculator
- Car Affordability Calculator
- CAGR Calculator
- Coast FIRE Calculator
- Catch-Up Contribution Calculator
- Commission Calculator
- Capital Gains Tax Calculator
- Cost of Debt Calculator
- Car Payment to Income Calculator
- COBRA vs Marketplace Cost Calculator
- Contractor Day Rate Calculator
D
- Date Calculator
- Days Between Dates Calculator
- Discount Calculator
- Duplicate Line Remover
- Down Payment Calculator
- Debt-to-Income Ratio Calculator
- Debt Payoff Calculator
- Debt Consolidation Calculator
- Debt Snowball Calculator
- Debt Avalanche Calculator
- Dividend Yield Calculator
- Dividend Reinvestment Calculator
- Dollar-Cost Averaging Calculator
- Doubling Time Calculator
- Disposable Income Calculator
- Debt-to-Asset Ratio Calculator
- Disability Insurance Income Calculator
E
F
G
H
- Height Converter
- Home Affordability Calculator
- Hourly to Salary Calculator
- Home Equity Loan Calculator
- HELOC Payment Calculator
- HOA Cost Calculator
- House Affordability by Income Calculator
- HSA Contribution Calculator
- Housing Cost Ratio Calculator
- Health Insurance Plan Comparison Calculator
- Hourly Rate from Target Income Calculator
I
J
L
M
- Marks Percentage Calculator
- Mortgage Calculator
- Mortgage Payment Calculator with Taxes & Insurance
- Mortgage Interest Savings Calculator
- Mortgage Points Calculator
- Minimum Payment Calculator
- Monthly Savings Goal Calculator
- Medicare Tax Calculator
- Marginal vs Effective Tax Rate Calculator
- Monthly Expense Calculator
- Markup Calculator
N
O
P
- Percentage Calculator
- Percentage Increase/Decrease Calculator
- Percentage to GPA Calculator
- Pregnancy Due Date Calculator
- Paragraph Counter
- PMI Calculator
- Personal Loan Calculator
- Paycheck Calculator
- Property Tax Calculator
- Present Value Calculator
- Pension Lump Sum vs Annuity Calculator
- Pay Raise Calculator
- Profit Margin Calculator
R
- Required Final Exam Score Calculator
- Reading Time Calculator
- Remove Extra Spaces Tool
- Random Number Generator
- Random Name Picker
- Refinance Calculator
- Rent vs Buy Calculator
- Retirement Calculator
- Roth IRA Calculator
- Rule of 72 Calculator
- Reverse Mortgage Calculator
- Real Rate of Return Calculator
- Rule of 70 Calculator
- Retirement Nest Egg Calculator
- Retirement Income Replacement Calculator
- Retirement Withdrawal Calculator
- Roth Conversion Calculator
- RMD Calculator
- Retirement Contribution Limit Calculator
S
- Semester GPA Calculator
- Study Time Calculator
- Sleep Calculator
- Split Bill Calculator
- Sentence Counter
- Student Loan Calculator
- Savings Calculator
- Salary Calculator
- State Income Tax Calculator
- Sales Tax Calculator
- Simple Interest Calculator
- Student Loan Extra Payment Calculator
- Student Loan Refinance Calculator
- Savings Goal Date Calculator
- Safe Withdrawal Rate Calculator
- Social Security Break-Even Calculator
- Self-Employment Tax Calculator
- Social Security Tax Calculator
- Sinking Fund Calculator
- Savings Rate Calculator
- Sales Commission Calculator
- Sales Tax Reverse Calculator
T
U
V
W
All Tools (Static Link Directory)
This directory is fully crawlable and accessible without JavaScript.
Student Calculators
- GPA Calculator
- Cumulative GPA Calculator
- Semester GPA Calculator
- Grade Calculator
- Final Grade Calculator
- Required Final Exam Score Calculator
- Percentage Calculator
- Percentage Increase/Decrease Calculator
- Marks Percentage Calculator
- GPA to Percentage Calculator
- Percentage to GPA Calculator
- Weighted Grade Calculator
- Attendance Percentage Calculator
- Study Time Calculator
- CGPA Calculator
Daily-Life Calculators
- Age Calculator
- Date Calculator
- Days Between Dates Calculator
- Business Days Calculator
- Add/Subtract Days Calculator
- Countdown Calculator
- Week Number Calculator
- Time Duration Calculator
- Sleep Calculator
- Pregnancy Due Date Calculator
- Ovulation Calculator
- BMI Calculator
- BMR Calculator
- Water Intake Calculator
- Calorie Calculator
- Tip Calculator
- Split Bill Calculator
- Discount Calculator
- Unit Converter
- Currency Converter
- Height Converter
- Weight Converter
US Finance Calculators
- Mortgage Calculator
- Mortgage Payment Calculator with Taxes & Insurance
- Home Affordability Calculator
- Refinance Calculator
- Rent vs Buy Calculator
- Down Payment Calculator
- PMI Calculator
- Amortization Calculator
- Extra Payment Mortgage Calculator
- Auto Loan Calculator
- Personal Loan Calculator
- Student Loan Calculator
- Debt-to-Income Ratio Calculator
- Credit Card Payoff Calculator
- Debt Payoff Calculator
- Compound Interest Calculator
- Savings Calculator
- Emergency Fund Calculator
- Retirement Calculator
- 401(k) Calculator
- Roth IRA Calculator
- IRA Contribution Calculator
- Investment Growth Calculator
- Rule of 72 Calculator
- Inflation Calculator
- Salary Calculator
- Hourly to Salary Calculator
- Paycheck Calculator
- Take-Home Pay Calculator
- Federal Income Tax Calculator
- State Income Tax Calculator
- W-4 Withholding Calculator
- Sales Tax Calculator
- Tax Refund Estimator
- Budget Calculator
- Net Worth Calculator
- Biweekly Mortgage Calculator
- Mortgage Interest Savings Calculator
- Loan-to-Value Calculator
- Closing Costs Calculator
- APR Calculator
- Mortgage Points Calculator
- Interest-Only Mortgage Calculator
- Balloon Mortgage Calculator
- FHA Loan Calculator
- VA Loan Calculator
- USDA Loan Calculator
- Jumbo Loan Calculator
- Reverse Mortgage Calculator
- Home Equity Loan Calculator
- HELOC Payment Calculator
- Cash-Out Refinance Calculator
- Break-Even Refinance Calculator
- Property Tax Calculator
- HOA Cost Calculator
- House Affordability by Income Calculator
- Simple Interest Calculator
- APR vs Interest Rate Calculator
- Loan Interest Calculator
- Loan Payoff Calculator
- Loan Comparison Calculator
- Debt Consolidation Calculator
- Debt Snowball Calculator
- Debt Avalanche Calculator
- Minimum Payment Calculator
- Credit Card Interest Calculator
- Balance Transfer Savings Calculator
- Credit Card APR Calculator
- Buy Now Pay Later Cost Calculator
- Auto Lease Calculator
- Lease vs Buy Car Calculator
- Car Affordability Calculator
- Student Loan Extra Payment Calculator
- Student Loan Refinance Calculator
- Future Value Calculator
- Present Value Calculator
- Time Value of Money Calculator
- Lump Sum Growth Calculator
- Monthly Savings Goal Calculator
- Savings Goal Date Calculator
- APY Calculator
- Effective Annual Rate Calculator
- Annualized Return Calculator
- CAGR Calculator
- Real Rate of Return Calculator
- Dividend Yield Calculator
- Dividend Reinvestment Calculator
- Investment Fee Impact Calculator
- Expense Ratio Impact Calculator
- Dollar-Cost Averaging Calculator
- Bond Yield Calculator
- Rule of 70 Calculator
- Doubling Time Calculator
- FIRE Number Calculator
- Coast FIRE Calculator
- Safe Withdrawal Rate Calculator
- Retirement Nest Egg Calculator
- Retirement Income Replacement Calculator
- Retirement Withdrawal Calculator
- Four Percent Rule Calculator
- 401(k) Match Calculator
- Traditional vs Roth Calculator
- Roth Conversion Calculator
- RMD Calculator
- Pension Lump Sum vs Annuity Calculator
- Social Security Break-Even Calculator
- Retirement Contribution Limit Calculator
- Catch-Up Contribution Calculator
- Overtime Pay Calculator
- Bonus Tax Calculator
- Commission Calculator
- Freelance Hourly Rate Calculator
- Self-Employment Tax Calculator
- FICA Tax Calculator
- Social Security Tax Calculator
- Medicare Tax Calculator
- Capital Gains Tax Calculator
- Estate Tax Calculator
- Gift Tax Calculator
- HSA Contribution Calculator
- FSA Tax Savings Calculator
- Pay Raise Calculator
- After-Tax Income Calculator
- Marginal vs Effective Tax Rate Calculator
- 50/30/20 Budget Calculator
- 60/30/10 Budget Calculator
- Needs vs Wants Calculator
- Monthly Expense Calculator
- Sinking Fund Calculator
- Emergency Fund by Expense Level Calculator
- Cost of Debt Calculator
- Disposable Income Calculator
- Debt-to-Asset Ratio Calculator
- Savings Rate Calculator
- Housing Cost Ratio Calculator
- Car Payment to Income Calculator
- Life Insurance Needs Calculator
- Disability Insurance Income Calculator
- Health Insurance Plan Comparison Calculator
- Out-of-Pocket Medical Cost Calculator
- COBRA vs Marketplace Cost Calculator
- Long-Term Care Cost Calculator
- Profit Margin Calculator
- Gross Margin Calculator
- Markup Calculator
- Break-Even Calculator
- Sales Commission Calculator
- Invoice Late Fee Calculator
- Freelancer Tax Set-Aside Calculator
- Hourly Rate from Target Income Calculator
- Contractor Day Rate Calculator
- VAT/GST Calculator
- Sales Tax Reverse Calculator