Skip to main content
CalcPro

Total Magnetic Field Dipole Anomaly & Vertical Gradient Calculator

Easily calculate and compute total magnetic field dipole anomaly & vertical gradient calculator with accurate equations, live formulas, and expert guidance.

Magnetic dipole strength of the subsurface orebody or source.

Burial depth from sensor datum to target centroid.

Distance from point directly over target.

Dip angle of ambient Earth magnetic field (-90 to +90 deg).

Regional background geomagnetic field strength.

Calculated Result
4.63 nT

Total Field Anomaly (ΔT)

Total Field Anomaly (ΔT)

4.63 nT

Total Field Anomaly Nt

4.63

Vertical Gradient Nt Per M

-0.113

Radial Distance To Target Meters

122.6

Peak Anomaly At Apex Nt

3.62

4.63 — nT

Calculation Breakdown

  1. Applied FormulaModels the total magnetic intensity (TMI) anomaly and vertical magnetic gradient (VGM) generated by a compact magnetized spherical or dipole body under geomagnetic field inclination.\Delta T = \frac{\mu_0 M}{4\pi r^3} \left[ 3 \left(\hat{m}\cdot\hat{r}\right)\left(\hat{B}_0\cdot\hat{r}\right) - \hat{m}\cdot\hat{B}_0 \right]

Magnetic Dipole Anomaly Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.01.22.33.54.6Total Field Anomaly (ΔT)

What Is the Total Magnetic Field Dipole Anomaly & Vertical Gradient Calculator?

This tool computes total magnetic field dipole anomaly & vertical gradient calculator with high precision arithmetic.

How Does the Total Magnetic Field Dipole Anomaly & Vertical Gradient Calculator Work?

Models the total magnetic intensity (TMI) anomaly and vertical magnetic gradient (VGM) generated by a compact magnetized spherical or dipole body under geomagnetic field inclination.

Total Magnetic Field Dipole Anomaly & Vertical Gradient Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

ΔT=μ0M4πr3[3(m^⋅r^)(B^0⋅r^)−m^⋅B^0]\Delta T = \frac{\mu_0 M}{4\pi r^3} \left[ 3 \left(\hat{m}\cdot\hat{r}\right)\left(\hat{B}_0\cdot\hat{r}\right) - \hat{m}\cdot\hat{B}_0 \right]

Models the total magnetic intensity (TMI) anomaly and vertical magnetic gradient (VGM) generated by a compact magnetized spherical or dipole body under geomagnetic field inclination.

How to Use the Total Magnetic Field Dipole Anomaly & Vertical Gradient Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Total Magnetic Field Dipole Anomaly & Vertical Gradient Calculator Example

Input Values:

magneticMomentAm2:50000
depthToCenterMeters:120
horizontalOffsetMeters:25
geomagneticInclinationDeg:60
ambientFieldIntensityNt:50000
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required nT.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

\n

Related Calculators

Explore more tools and calculators in Physics Calculators

Length Converter

Convert length and distance between metric and imperial units including meters, feet, inches, kilometers, miles, and yards with exact SI definitions.

Percentage Calculator

Calculate percentages: what % X is of Y, P% of X, % change, discount price, and percentage points.

Temperature Converter

Convert temperatures between Celsius (°C), Fahrenheit (°F), Kelvin (K), and Rankine (°R) with step-by-step thermodynamic formulas.

Ohm's Law & Electrical Power Calculator

Calculate Voltage (V), Current (I), Resistance (R), and Electrical Power (P) across DC circuits.

Density, Mass & Volume Calculator

Calculate density (ρ = m/V), material mass, or physical volume for solids, liquids, and gases.

Steam Turbine Surface Condenser Cooling Water Duty Calculator

Calculates surface condenser thermal heat rejection (MWth), circulating cooling water pumping volume (m³/h), and steam condensation rate.